{"product_id":"retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled","title":"RETROL \u0026 OKMO B03 Hired Man Hit and Miss Engine Model RTR Water-cooled","description":"\u003cstyle\u003e\n.skb03{max-width:900px!important;margin:0 auto!important;font-family:Georgia,\"Times New Roman\",serif!important;color:#2b2118!important;line-height:1.75!important;font-size:18px!important;background:#f5efe3!important;padding:0 0 28px!important;border:1px solid #d9ccb4!important}\n.skb03 *{box-sizing:border-box!important}\n.skb03 p{margin:0 0 14px!important;color:#2b2118!important}\n.skb03-wrap{padding:0 18px!important}\n.skb03-label{display:block!important;font-size:13px!important;letter-spacing:.14em!important;text-transform:uppercase!important;color:#8a6a3b!important;margin:0 0 6px!important;font-family:Georgia,serif!important}\n.skb03 h2{font-size:27px!important;line-height:1.3!important;margin:0 0 14px!important;color:#7a1a14!important;font-weight:700!important;font-family:Georgia,\"Times New Roman\",serif!important;border:0!important;padding:0!important}\n.skb03 h3{font-size:20px!important;margin:0 0 6px!important;color:#2b2118!important;font-weight:700!important;font-family:Georgia,serif!important}\n.skb03-rule{border:0!important;border-top:3px double #b08d57!important;margin:34px 18px 28px!important;height:0!important}\n.skb03-orn{text-align:center!important;color:#b08d57!important;letter-spacing:.6em!important;margin:30px 0 24px!important;font-size:14px!important}\n.skb03-hero{background:#7a1a14!important;color:#f5efe3!important;padding:30px 20px 26px!important;text-align:center!important;border-bottom:4px solid #b08d57!important}\n.skb03-hero .skb03-label{color:#e6cf9e!important}\n.skb03-hero h1{font-family:Georgia,\"Times New Roman\",serif!important;font-size:34px!important;line-height:1.2!important;margin:6px 0 10px!important;color:#fff8ea!important;font-weight:700!important;letter-spacing:.02em!important}\n.skb03-hero p{color:#f2e4c8!important;max-width:640px!important;margin:0 auto 10px!important;font-size:19px!important}\n.skb03-sound{font-size:22px!important;letter-spacing:.08em!important;color:#fff8ea!important;font-style:normal!important;margin:16px auto 4px!important}\n.skb03-lead{font-size:20px!important}\n.skb03-pull{border-left:4px solid #7a1a14!important;padding:4px 0 4px 16px!important;margin:18px 0!important;font-style:italic!important;font-size:20px!important;color:#5a3a22!important}\n.skb03-grid{display:grid!important;grid-template-columns:1fr!important;gap:14px!important}\n.skb03-card{background:#fffaf0!important;border:1px solid #d9ccb4!important;padding:16px 16px 14px!important;position:relative!important}\n.skb03-card:before{content:\"\"!important;position:absolute!important;left:0!important;top:0!important;width:100%!important;height:3px!important;background:#7a1a14!important}\n.skb03-card p{margin:0!important;font-size:17px!important}\n.skb03-num{font-size:14px!important;letter-spacing:.18em!important;color:#8a6a3b!important;display:block!important;margin-bottom:4px!important}\n.skb03 table{width:100%!important;border-collapse:collapse!important;font-size:17px!important;background:#fffaf0!important}\n.skb03 th,.skb03 td{border-bottom:1px dotted #b8a684!important;padding:11px 8px!important;text-align:left!important;vertical-align:top!important;border-top:0!important;border-left:0!important;border-right:0!important}\n.skb03 th{color:#5a3a22!important;font-weight:700!important;width:40%!important;font-variant:small-caps!important;letter-spacing:.04em!important}\n.skb03-twocol{display:grid!important;grid-template-columns:1fr!important;gap:14px!important}\n.skb03-box{background:#fffaf0!important;border:1px solid #d9ccb4!important;padding:16px!important}\n.skb03-box ul{margin:0!important;padding-left:20px!important}\n.skb03-box li{margin:0 0 5px!important}\n.skb03-safe{border:1px dashed #7a1a14!important;padding:16px!important;background:#fbf3e6!important}\n.skb03-safe ul{margin:0!important;padding-left:20px!important}\n.skb03 details{border-bottom:1px solid #d9ccb4!important;margin:0!important}\n.skb03 summary{cursor:pointer!important;padding:18px 40px 18px 0!important;font-size:19px!important;font-weight:700!important;list-style:none!important;position:relative!important;color:#2b2118!important}\n.skb03 summary::-webkit-details-marker{display:none!important}\n.skb03 summary::after{content:\"+\"!important;position:absolute!important;right:4px!important;top:10px!important;font-size:22px!important;color:#7a1a14!important}\n.skb03 details[open] summary::after{content:\"−\"!important}\n.skb03-ans{padding:0 0 14px!important}\n.skb03 details.skb03-spec{border:1px solid #d9ccb4!important;background:#fffaf0!important;padding:0 16px!important}\n.skb03 details.skb03-spec summary{font-size:24px!important;color:#7a1a14!important}\n.skb03-hint{font-size:15px!important;font-weight:400!important;color:#8a6a3b!important}\n.skb03-pre{margin:22px 18px 0!important;border:2px solid #b08d57!important;background:#fffaf0!important;padding:18px 18px 6px!important;text-align:center!important}\n.skb03-pre-main{font-size:20px!important;line-height:1.6!important;color:#2b2118!important}\n.skb03-pre-main strong{color:#7a1a14!important}\n.skb03-pre-sub{font-size:17px!important;color:#5a3a22!important}\n@media(min-width:720px){.skb03-pre{margin:28px 36px 0!important}}\n.skb03-track{position:relative!important;display:flex!important;justify-content:space-between!important;margin:16px 0 14px!important}\n.skb03-track:before{content:\"\"!important;position:absolute!important;top:15px!important;left:16.66%!important;right:16.66%!important;height:4px!important;background:#d9ccb4!important}\n.skb03-fill{position:absolute!important;top:15px!important;left:16.66%!important;width:22%!important;height:4px!important;background:#7a1a14!important}\n.skb03-step{position:relative!important;z-index:1!important;width:33.33%!important;text-align:center!important;padding:0 4px!important}\n.skb03-dot{width:34px!important;height:34px!important;line-height:28px!important;border-radius:50%!important;margin:0 auto 8px!important;background:#fffaf0!important;border:3px solid #d9ccb4!important;color:#8a6a3b!important;font-weight:700!important;font-size:15px!important}\n.skb03-step.is-active .skb03-dot{background:#7a1a14!important;border-color:#7a1a14!important;color:#fff8ea!important}\n.skb03-step-t{font-weight:700!important;font-size:16px!important;line-height:1.3!important;color:#2b2118!important}\n.skb03-step.is-active .skb03-step-t{color:#7a1a14!important}\n.skb03-step-d{font-size:15px!important;line-height:1.35!important;color:#5a3a22!important;margin-top:2px!important}\n.skb03-offer{font-size:19px!important;color:#2b2118!important;margin:4px 0 8px!important}\n.skb03-offer strong{color:#7a1a14!important}\n.skb03-video{position:relative!important;width:100%!important;padding-top:56.25%!important;border:3px solid #b08d57!important;background:#000!important}\n.skb03-video iframe{position:absolute!important;top:0!important;left:0!important;width:100%!important;height:100%!important;border:0!important}\n.skb03-vcap{text-align:center!important;font-style:italic!important;color:#5a3a22!important;margin:12px 0 0!important}\n.skb03-was{text-decoration:line-through!important;color:#8a6a3b!important;font-size:17px!important;margin-left:6px!important}\n.skb03-cart{border:2px solid #7a1a14!important;background:#fffaf0!important;padding:20px 18px!important}\n.skb03-cartprice{border-top:1px dotted #b8a684!important;margin:6px 0 12px!important}\n.skb03-cartprice div{display:flex!important;justify-content:space-between!important;padding:10px 2px!important;border-bottom:1px dotted #b8a684!important;font-size:18px!important}\n.skb03-cartprice .skb03-cartsum{border-bottom:3px double #b08d57!important;font-weight:700!important;color:#7a1a14!important;font-size:20px!important}\n.skb03-cartnote{font-style:italic!important;color:#5a3a22!important;text-align:center!important}\n.skb03-btn{display:inline-block!important;background:#7a1a14!important;color:#fff8ea!important;padding:14px 28px!important;font-size:18px!important;font-weight:700!important;text-decoration:none!important;letter-spacing:.04em!important;border:2px solid #b08d57!important}\n.skb03-bros{border:2px solid #b08d57!important;background:#fffaf0!important;padding:20px 18px!important}\n.skb03-deals{display:grid!important;grid-template-columns:1fr!important;gap:16px!important}\n.skb03-deal{position:relative!important;background:#fffaf0!important;border:2px solid #b08d57!important;padding:22px 16px 18px!important;text-align:center!important}\n.skb03-badge{position:absolute!important;top:-13px!important;left:50%!important;transform:translateX(-50%)!important;background:#7a1a14!important;color:#fff8ea!important;font-size:14px!important;font-weight:700!important;letter-spacing:.1em!important;padding:4px 14px!important;white-space:nowrap!important}\n.skb03-pics{display:flex!important;align-items:center!important;justify-content:center!important;gap:6px!important;margin:4px 0 12px!important}\n.skb03-pics img{width:44%!important;max-width:170px!important;aspect-ratio:1\/1!important;object-fit:cover!important;border:1px solid #d9ccb4!important;background:#fff!important;margin:0!important}\n.skb03-pics span{font-size:26px!important;color:#b08d57!important;font-weight:700!important}\n.skb03-deal h3{font-size:22px!important;margin:0 0 2px!important}\n.skb03-dsub{font-size:15px!important;color:#5a3a22!important;margin:0 0 8px!important}\n.skb03-dprice{font-size:30px!important;font-weight:700!important;color:#7a1a14!important;margin:0 0 14px!important;line-height:1.2!important}\n.skb03-dprice s{font-size:18px!important;color:#8a6a3b!important;font-weight:400!important;margin-left:6px!important}\n.skb03-dnote{text-align:center!important;font-size:16px!important;color:#5a3a22!important;margin:14px 0 0!important}\n.skb03-deals{max-width:520px!important;margin:0 auto!important}\n.skb03-dlist{text-align:left!important;border-top:1px dotted #b8a684!important;margin:0 0 16px!important}\n.skb03-dlist div{display:flex!important;justify-content:space-between!important;gap:10px!important;padding:9px 2px!important;border-bottom:1px dotted #b8a684!important;font-size:17px!important}\n.skb03-dlist s{color:#8a6a3b!important;font-size:15px!important}\n.skb03-dlist strong{color:#2b2118!important}\n.skb03-dtot{border-bottom:3px double #b08d57!important;font-size:22px!important;font-weight:700!important}\n.skb03-dtot strong{color:#7a1a14!important;font-size:26px!important}\n.skb03-bimg{display:block!important;width:100%!important;height:auto!important;border:3px solid #b08d57!important;margin:0 0 26px!important}\n.skb03-dlist div{align-items:center!important}\n.skb03-it{display:flex!important;align-items:center!important;gap:10px!important}\n.skb03-it img{width:64px!important;height:64px!important;object-fit:cover!important;border:1px solid #d9ccb4!important;background:#fff!important;flex:0 0 64px!important;margin:0!important}\n.skb03-dtot{padding:14px 2px!important}\n.skb03-it,.skb03-it:visited{color:#2b2118!important;text-decoration:none!important}\n.skb03-it span{text-decoration:underline!important;text-decoration-color:#b8a684!important;text-underline-offset:3px!important}\n.skb03-it:hover span{color:#7a1a14!important}\n.skb03-why{list-style:none!important;padding:0!important;margin:0 auto 26px!important;max-width:520px!important}\n.skb03-why li{position:relative!important;padding:6px 0 6px 30px!important;font-size:18px!important}\n.skb03-why li:before{content:\"✓\"!important;position:absolute!important;left:0!important;top:5px!important;color:#7a1a14!important;font-weight:700!important;font-size:20px!important}\n.skb03-close{text-align:center!important;padding:6px 18px 0!important}\n.skb03-close p{font-size:21px!important;font-style:italic!important;color:#5a3a22!important}\n@media(min-width:720px){\n.skb03-wrap{padding:0 36px!important}\n.skb03-rule{margin:40px 36px 32px!important}\n.skb03-hero{padding:44px 40px 36px!important}\n.skb03-hero h1{font-size:46px!important}\n.skb03-grid{grid-template-columns:1fr 1fr!important}\n.skb03-twocol{grid-template-columns:1fr 1fr!important}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"skb03\"\u003e\n\n\u003cdiv class=\"skb03-hero\"\u003e\n\u003cspan class=\"skb03-label\"\u003eNo. B03 · Hit \u0026amp; Miss Gasoline Engine · 1\/4 Scale · Ready to Run\u003c\/span\u003e\n\u003ch1\u003eThe Hired Man\u003c\/h1\u003e\n\u003cp\u003eA hopper-cooled farm engine of the 1910s and 1920s, made again in miniature, and it runs.\u003c\/p\u003e\n\u003cp class=\"skb03-sound\"\u003ePOP… whoosh… whoosh… whoosh… POP\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-pre\"\u003e\n\u003cspan class=\"skb03-label\"\u003eFirst Batch · Pre-Order\u003c\/span\u003e\n\u003cdiv class=\"skb03-track\"\u003e\n\u003cdiv class=\"skb03-fill\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"skb03-step is-active\"\u003e\n\u003cdiv class=\"skb03-dot\"\u003e1\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-t\"\u003ePre-Orders Open\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-d\"\u003eReserve yours now\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-step\"\u003e\n\u003cdiv class=\"skb03-dot\"\u003e2\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-t\"\u003ePre-Orders Close\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-d\"\u003eDec 1, 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-step\"\u003e\n\u003cdiv class=\"skb03-dot\"\u003e3\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-t\"\u003eShips By\u003c\/div\u003e\n\u003cdiv class=\"skb03-step-d\"\u003eDec 10, 2026 (est.)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"skb03-offer\"\u003ePre-order price: \u003cstrong\u003e$399.99\u003c\/strong\u003e \u003cspan class=\"skb03-was\"\u003e$499.99\u003c\/span\u003e\u003cbr\u003e$100 off, applied automatically at checkout. No code needed.\u003c\/p\u003e\n\u003cp class=\"skb03-pre-sub\"\u003eReserve yours now and it will be among the first to leave the workshop. We will email you as soon as your engine ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-wrap\" style=\"padding-top:28px!important\"\u003e\n\u003cp class=\"skb03-lead\"\u003eYou know that sound. Maybe it came from the pump house on your grandfather's farm. Maybe you heard it for the first time walking the rows at an engine show, and stopped, and stayed longer than you meant to.\u003c\/p\u003e\n\u003cp\u003eThe B03 brings that sound home. Flip the flywheel, hear it catch, and watch the governor take over: one hit, then the flywheels coast on their own weight while the exhaust is held open, then the latch drops and it fires again. Nothing about it is simulated. It is the same mechanism that kept water flowing on farms a hundred years ago.\u003c\/p\u003e\n\u003cdiv class=\"skb03-pull\"\u003eNot a toy. Not a static model. A running hit-and-miss engine you can set on your desk.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eHear It Run\u003c\/span\u003e\n\u003ch2\u003eWatch the B03 Start Up\u003c\/h2\u003e\n\u003cdiv class=\"skb03-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/pHWRXLfaKPM?rel=0\" title=\"RETROL \u0026amp; OKMO B03 hit and miss engine starting up\" loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp class=\"skb03-vcap\"\u003eTurn the sound up. That rhythm is the governor at work.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eThe First Time You Run It\u003c\/span\u003e\n\u003ch2\u003eMoments You Will Want to Share\u003c\/h2\u003e\n\u003cdiv class=\"skb03-grid\"\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003cspan class=\"skb03-num\"\u003eI.\u003c\/span\u003e\u003ch3\u003eThe First Catch\u003c\/h3\u003e\n\u003cp\u003eA flip of the flywheel, a cough, then a clean pop as it fires on its own. That moment never gets old.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003cspan class=\"skb03-num\"\u003eII.\u003c\/span\u003e\u003ch3\u003eThe Governor Takes Over\u003c\/h3\u003e\n\u003cp\u003eThe flyweights swing out, the latch catches, and the engine starts to coast between hits. Adjust it, and you set the rhythm yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003cspan class=\"skb03-num\"\u003eIII.\u003c\/span\u003e\u003ch3\u003eSteam from the Hopper\u003c\/h3\u003e\n\u003cp\u003eOn a long run the water in the open hopper begins to warm and steam, cooling the cylinder exactly the way the originals did.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003cspan class=\"skb03-num\"\u003eIV.\u003c\/span\u003e\u003ch3\u003eThe Smell of a Working Engine\u003c\/h3\u003e\n\u003cp\u003eWarm oil, a hint of gasoline, the drip oiler ticking away. A real engine, doing real work, right in front of you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eA Tribute to a Classic\u003c\/span\u003e\n\u003ch2\u003eFaithfully Recreated. Made to Be Collected.\u003c\/h2\u003e\n\u003cp\u003eLook closely and you will find the Hired Man in every part of the B03: the proportions, the hopper, the flywheels, the brasswork. It is made for collectors who know these engines well, and who appreciate one that is done right.\u003c\/p\u003e\n\u003cdiv class=\"skb03-grid\"\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eOpen-Crank Horizontal Layout\u003c\/h3\u003e\n\u003cp\u003eThe exposed crank, connecting rod and side shaft, just as on the farm engines of the era.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eOpen Water Hopper\u003c\/h3\u003e\n\u003cp\u003eThe tall hopper over the cylinder, the defining shape of a hopper-cooled engine, and it really cools by evaporation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eTwin Spoked Flywheels\u003c\/h3\u003e\n\u003cp\u003eHeavy spoked flywheels with polished rims, finished in classic scarlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eWorking Hit-and-Miss Governor\u003c\/h3\u003e\n\u003cp\u003eFlyweights, latch and exhaust pushrod all in view, doing exactly the job they did on the full-size engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eBrass Drip Oiler \u0026amp; Fittings\u003c\/h3\u003e\n\u003cp\u003eA glass-and-brass drip oiler and brass fittings, the small details a collector notices first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eShow-Ready on Wooden Skids\u003c\/h3\u003e\n\u003cp\u003eHardwood skids and a dovetailed battery box, set up the way engines are displayed at a show.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-pull\" style=\"margin-top:22px!important\"\u003eA piece that earns its place in any collection: beautiful at rest, and even better running.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-orn\"\u003e✦ ✦ ✦\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eEngine + Cart\u003c\/span\u003e\n\u003ch2\u003eBuy Together. Make It Show-Ready.\u003c\/h2\u003e\n\u003cp\u003eA farm engine was never meant to sit still. It rode on a cart and went wherever the work was, and that is how the best engines are still shown today. Add the ST-02 and your Hired Man becomes the complete outfit.\u003c\/p\u003e\n\u003cul class=\"skb03-why\"\u003e\n\u003cli\u003eBolts right under the engine's own base, no modification\u003c\/li\u003e\n\u003cli\u003eAll-metal wheels, working steering, wooden pull tongue\u003c\/li\u003e\n\u003cli\u003eRolls and steers, ready for the shelf or the show table\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"skb03-deals\"\u003e\n\u003cdiv class=\"skb03-deal\"\u003e\n\u003cspan class=\"skb03-badge\"\u003eSAVE $100\u003c\/span\u003e\n\u003cdiv class=\"skb03-dlist\"\u003e\n\u003cdiv\u003e\n\u003ca class=\"skb03-it\" href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled_1.jpg?v=1792488726\u0026amp;width=200\" alt=\"B03 Hired Man (pre-order)\" loading=\"lazy\"\u003e\u003cspan\u003eB03 Hired Man (pre-order)\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003cs\u003e$499.99\u003c\/s\u003e \u003cstrong\u003e$399.99\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ca class=\"skb03-it\" href=\"https:\/\/www.stirlingkit.com\/products\/st-02-engine-cart-kits-for-retrol-x-okmo-b02-b03-b04-hit-and-miss-engine-model\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/st-02-engine-cart-kits-for-retrol-x-okmo-b02-b03-b04-hit-and-miss-engine-model-21.jpg?v=1792493021\u0026amp;width=200\" alt=\"ST-02 Steerable Engine Cart\" loading=\"lazy\"\u003e\u003cspan\u003eST-02 Steerable Engine Cart\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003cstrong\u003e$99.99\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-dtot\"\u003e\n\u003cspan\u003eTogether\u003c\/span\u003e\u003cspan\u003e\u003cs\u003e$599.98\u003c\/s\u003e \u003cstrong\u003e$499.98\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/www.stirlingkit.com\/products\/st-02-engine-cart-kits-for-retrol-x-okmo-b02-b03-b04-hit-and-miss-engine-model\" class=\"skb03-btn\"\u003eAdd the ST-02 Cart\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"skb03-dnote\"\u003e$100 off the engine, applied automatically at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-orn\"\u003e✦ ✦ ✦\u003c\/div\u003e\n\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eMade to Run\u003c\/span\u003e\n\u003ch2\u003eMade to Be Started, Again and Again\u003c\/h2\u003e\n\u003cdiv class=\"skb03-grid\"\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eReady to Run\u003c\/h3\u003e\n\u003cp\u003eArrives fully assembled on its wooden base. Add one AA battery, fuel mix, water and oil, then start it by hand or with a drill.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eEasy on the Hands\u003c\/h3\u003e\n\u003cp\u003eNo hard pull, no cranking. A light flip of the flywheel starts it, and if you would rather not, a household cordless drill spins it up just as well.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eCNC-Machined Metal\u003c\/h3\u003e\n\u003cp\u003ePrecision CNC aluminum alloy body, brass fittings and stainless steel flywheels, made for repeated running and years on display.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-card\"\u003e\n\u003ch3\u003eReal People, Ready to Help\u003c\/h3\u003e\n\u003cp\u003eQuestions before or after you buy? Email our team at \u003ca href=\"mailto:service@stirlingkit.com\" style=\"color:#7a1a14!important;font-weight:700!important\"\u003eservice@stirlingkit.com\u003c\/a\u003e and we will walk you through it, step by step.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003ch2\u003eWhat's in the Box \u0026amp; What You'll Need\u003c\/h2\u003e\n\u003cdiv class=\"skb03-twocol\"\u003e\n\u003cdiv class=\"skb03-box\"\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × B03 engine, assembled on wooden base\u003c\/li\u003e\n\u003cli\u003e1 × Igniter\u003c\/li\u003e\n\u003cli\u003e1 × Spark plug, 3\/16-40 (installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-box\"\u003e\n\u003ch3\u003eYou'll Need\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × AA 1.5V battery\u003c\/li\u003e\n\u003cli\u003eRegular unleaded gasoline (US 87 \/ RON 92 or higher)\u003c\/li\u003e\n\u003cli\u003eEngine oil for the fuel mix (25:1 to 30:1)\u003c\/li\u003e\n\u003cli\u003eClean water for the hopper\u003c\/li\u003e\n\u003cli\u003eA drill, if you prefer drill starting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-safe\" style=\"margin-top:16px!important\"\u003e\n\u003ch3\u003eBefore You Run It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRun outdoors or in a well-ventilated space.\u003c\/li\u003e\n\u003cli\u003eFill the hopper before every start, and top it up as the water evaporates.\u003c\/li\u003e\n\u003cli\u003eThe cylinder, head and exhaust stay hot for a while after shutdown.\u003c\/li\u003e\n\u003cli\u003eStore fuel away from heat and out of reach of children. Recommended for ages 16+.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cdetails class=\"skb03-spec\"\u003e\u003csummary\u003eSpecifications \u003cspan class=\"skb03-hint\"\u003e(tap to view)\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"skb03-ans\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eRETROL \u0026amp; OKMO B03 (Red)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrototype\u003c\/th\u003e\n\u003ctd\u003e\"Hired Man\" hopper-cooled farm engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScale\u003c\/th\u003e\n\u003ctd\u003e1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eReady to Run (RTR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Type\u003c\/th\u003e\n\u003ctd\u003eGasoline, horizontal single cylinder, four-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003ctd\u003e3.6 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore × Stroke\u003c\/th\u003e\n\u003ctd\u003e16.0 × 19.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed Range\u003c\/th\u003e\n\u003ctd\u003e500–3000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGovernor\u003c\/th\u003e\n\u003ctd\u003eCentrifugal flyweight, hit-and-miss (exhaust latch-out)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling\u003c\/th\u003e\n\u003ctd\u003eEvaporative hopper water cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eFuel-oil mix with brass drip oiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Mix Ratio\u003c\/th\u003e\n\u003ctd\u003e25:1 to 30:1 (gasoline : oil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Fuel\u003c\/th\u003e\n\u003ctd\u003eRegular unleaded gasoline, US 87 \/ RON 92 or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Oil\u003c\/th\u003e\n\u003ctd\u003e2T\/4T 10W-50 engine oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIgnition\u003c\/th\u003e\n\u003ctd\u003eSpark plug with igniter, triggered mechanically (igniter included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIgnition Power\u003c\/th\u003e\n\u003ctd\u003e1 × AA 1.5V battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpark Plug\u003c\/th\u003e\n\u003ctd\u003e3\/16-40 imperial thread (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStarting\u003c\/th\u003e\n\u003ctd\u003eHand start by flywheel, or drill start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterials\u003c\/th\u003e\n\u003ctd\u003eAluminum alloy, brass, stainless steel, wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Size\u003c\/th\u003e\n\u003ctd\u003e22.5 × 11.5 × 13 cm (8.9 × 4.5 × 5.1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Weight\u003c\/th\u003e\n\u003ctd\u003e1650 g (3.6 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Size\u003c\/th\u003e\n\u003ctd\u003e27 × 16 × 18 cm (10.6 × 6.3 × 7.1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003e1750 g (3.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003ePrinted gift box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAge\u003c\/th\u003e\n\u003ctd\u003e16+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eQuestions\u003c\/span\u003e\n\u003ch2\u003eFrequently Asked\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the RETROL \u0026amp; OKMO B03 a true hit-and-miss engine?\u003c\/summary\u003e\u003cdiv class=\"skb03-ans\"\u003e\u003cp\u003eYes. The B03's centrifugal governor physically latches the exhaust valve open above set speed, so the engine skips firing and coasts until it slows down. The rhythm you hear comes from the mechanism itself, not from electronics.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the B03 need any assembly?\u003c\/summary\u003e\u003cdiv class=\"skb03-ans\"\u003e\u003cp\u003eNo. The B03 is supplied ready to run. Add a AA battery, fuel mix, water in the hopper and oil, and it is ready to start.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow is the B03 different from the B04?\u003c\/summary\u003e\u003cdiv class=\"skb03-ans\"\u003e\u003cp\u003eThe B03 is hopper water-cooled and pays tribute to the Hired Man. The \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-x-okmo-b04-air-cooled-hit-and-miss-engine-model-kit-farm-engine\" style=\"color:#7a1a14!important;font-weight:700!important;text-decoration:underline!important\"\u003eB04\u003c\/a\u003e is air-cooled, with cooling fins and a fan, and pays tribute to the Hired Hand, the air-cooled brother of the Hired Man. Side by side, they make a fine pair.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs there a cart for the B03?\u003c\/summary\u003e\u003cdiv class=\"skb03-ans\"\u003e\u003cp\u003eYes. The \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/st-02-engine-cart-kits-for-retrol-x-okmo-b02-b03-b04-hit-and-miss-engine-model\" style=\"color:#7a1a14!important;font-weight:700!important;text-decoration:underline!important\"\u003eST-02 Steerable Engine Cart\u003c\/a\u003e bolts beneath the B03's wooden base, with metal six-spoke wheels, a working steering front axle and a wooden pull tongue. It turns the B03 into a complete, show-style outfit. Sold separately.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I run the B03 indoors?\u003c\/summary\u003e\u003cdiv class=\"skb03-ans\"\u003e\u003cp\u003eIt runs on gasoline and produces exhaust, so we recommend running it outdoors or in a well-ventilated workshop. As a display piece, it is perfectly at home indoors.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003chr class=\"skb03-rule\"\u003e\n\n\u003cdiv class=\"skb03-wrap\"\u003e\n\u003cspan class=\"skb03-label\"\u003eHired Man \u0026amp; Hired Hand\u003c\/span\u003e\n\u003ch2\u003eBring Home the Brothers\u003c\/h2\u003e\n\u003cimg class=\"skb03-bimg\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/bring-brother-home-okmo-b03-b04-engine.jpg?v=1792494515\" alt=\"RETROL \u0026amp; OKMO B03 Hired Man and B04 Hired Hand hit and miss engines together\" loading=\"lazy\"\u003e\n\u003cdiv class=\"skb03-deals\"\u003e\n\u003cdiv class=\"skb03-deal\"\u003e\n\u003cspan class=\"skb03-badge\"\u003eSAVE $200\u003c\/span\u003e\n\u003cdiv class=\"skb03-dlist\"\u003e\n\u003cdiv\u003e\n\u003ca class=\"skb03-it\" href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled_1.jpg?v=1792488726\u0026amp;width=200\" alt=\"B03 Hired Man (pre-order)\" loading=\"lazy\"\u003e\u003cspan\u003eB03 Hired Man (pre-order)\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003cs\u003e$499.99\u003c\/s\u003e \u003cstrong\u003e$399.99\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ca class=\"skb03-it\" href=\"https:\/\/www.stirlingkit.com\/products\/retrol-x-okmo-b04-air-cooled-hit-and-miss-engine-model-kit-farm-engine\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-retrol-x-okmo-b04-air-cooled-hit-and-miss-engine-model-kit-farm-engine_5.jpg?v=1792141346\u0026amp;width=200\" alt=\"B04 Hired Hand (pre-order)\" loading=\"lazy\"\u003e\u003cspan\u003eB04 Hired Hand (pre-order)\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003cs\u003e$519.99\u003c\/s\u003e \u003cstrong\u003e$419.99\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skb03-dtot\"\u003e\n\u003cspan\u003eTogether\u003c\/span\u003e\u003cspan\u003e\u003cs\u003e$1,019.98\u003c\/s\u003e \u003cstrong\u003e$819.98\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-x-okmo-b04-air-cooled-hit-and-miss-engine-model-kit-farm-engine\" class=\"skb03-btn\"\u003eAdd the B04 Hired Hand\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"skb03-dnote\"\u003e$100 off each engine, applied automatically at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-orn\"\u003e✦ ✦ ✦\u003c\/div\u003e\n\n\u003cdiv class=\"skb03-close\"\u003e\n\u003cp\u003eSome engines you restore. Some you inherit. This one you can simply start.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Stirlingkit","offers":[{"title":"Red","offer_id":67826264965333,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":67826264932565,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled_1.jpg?v=1792488726","url":"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-b03-hired-man-hit-and-miss-engine-model-rtr-water-cooled","provider":"Stirlingkit","version":"1.0","type":"link"}