1/10 RC Car Chassis Frame Scale 4WD Off-Road Crawler for SEMTO ST-FL2 Engine
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Product details
No Lathe · No Custom Fab · 1:10 Scale 4WD Platform
From Shelf Queen
to Trail Runner
Drop-In & Rip.
Love the twin-cylinder rumble on your bench, but dread the custom CAD work, milled motor mounts, and clutch headaches? Skip the machine shop. Purpose-built for the SEMTO ST-FL2, this 1:10 4WD platform lets you display it on your desk all week and tear up the dirt on weekends.
0FAB
Direct Bolt-On Fit
8.6cc
Twin-Cylinder Torque
20KRPM
Liquid-Cooled Run
4WD
Full-Time Traction
Built for Builders, Not Machinists
Skip the Custom Fab Work.
Bolt Your Engine In & Drive.
Most scale engine owners run into the same wall: your engine sounds incredible on a test stand, but shoe-horning a twin-cylinder block into an RC rig usually requires a full machine shop. Not anymore.
The Old Way: Scratch Conversion
Months of Trial, Error & Machining
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Custom Metalwork Required: Off-the-shelf RC frames won't take a twin-cylinder block without custom-milled mounts and drilling.
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Drivetrain & Cooling Guesswork: Poor gear mesh, mismatched clutches, and trapped heat quickly lead to stripped spurs or cooked engines.
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Stuck on the Bench: High conversion hurdles mean 90% of scale engines never see real dirt under load.
The Drop-In Way: Dedicated Chassis
Zero Machining, Factory-Aligned Fit
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Pre-Drilled & Precision-Aligned: Motor mounts, radiator brackets, and tank bosses are built specifically for the ST-FL2 footprint.
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Dialed-In Drivetrain & Cooling: Heavy-duty 4WD gearing and closed-loop water cooling engineered to handle real nitro torque.
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100% Reversible Swap: Zero permanent mods to your engine. Unbolt it anytime to put it back on your desk stand.
Pick Your Build
Bare Chassis Kit vs. Pre-Wired Roller
Whether you want to spec your own radio gear or get a pre-plumbed, pre-wired rig ready to accept your engine, choose the setup that fits your workbench. (Engine sold separately).
A stripped-down, heavy-gauge alloy rolling chassis for builders who like running their own electronics. Features thickened aluminum ladder rails, full-time 4WD axles, and high-grip crawler tires.
Engineered directly around the SEMTO ST-FL2 Inline-2 4-Stroke Engine (SKU: 3759608). Ships without engine or electronics so you can pair your favorite transmitter and high-torque servos.
Scale
1 : 10
Wheelbase
297–313 mm (Adj.)
Ground Clearance
80 mm
Tire Diameter
115 mm
Chassis Weight
2,100 g (4.63 lbs)
Dimensions
48 × 23 × 10 cm
Powerplant
ST-FL2 Required (Not Inc.)
Radio & Body
Not Included
Best For: Builders who already own a SEMTO ST-FL2 engine and have spare receivers, servos, and hardware sitting in their pit box.
Skip the linkage setup and plumbing work. This pre-built roller arrives with a 2.4GHz 4-channel radio system, installed throttle/steering servos, 3S LiPo starter plug, plus a pre-plumbed fuel tank, inline filter, and closed-loop radiator system.
Bolt down your SEMTO ST-FL2 engine, slip on the fuel and coolant lines, fill the tank, and hit the starter button.
Scale / Weight
1:10 / 2,100 g
Wheelbase
297–313 mm (Adj.)
Radio Gear
2.4GHz 4-Channel (Included)
Cooling & Fuel
Factory Pre-Plumbed
Dimensions
48 × 23 × 13 cm
Powerplant
ST-FL2 Required (Not Inc.)
Quick-Build Note: Includes all chassis hardware, servos, 2.4GHz radio, fuel tank, and cooling loop. Just bolt in your SEMTO ST-FL2 Engine (SKU: 3759608) and run.
See It in Action
Watch the ST-FL2 Monster Come Alive
No pull-cords, no hassle. Watch how easy it is to fire up the 3S electric start and hear that unmistakable twin-cylinder 4-stroke idle on the trail.
⚡ Easy 3S Electric Start Demo
Push-Button Start: Watch how quickly the electric start fires up the 8.6cc dual-cylinder block with zero pull-cord fatigue.
🔥 Twin-Cylinder Chassis Close-Up
Real-World Action: Check out the exposed valvetrain, belt-drives, and the raw 4WD power ripping through the gravel.
The Powerplant
Hear the SEMTO ST-FL2 Pull Under Real Load
Free-revving on a bench only tells half the story. Once that 8.6cc inline-twin 4-stroke starts pulling all four wheels through loose gravel and steep climbs, you get that unmistakable deep, throaty twin-cylinder exhaust note.
Paired with a dedicated radiator and water pump loop, the chassis keeps head temps in check during long trail sessions without constant cool-down stops.
8.6cc
Displacement
(2×4.3cc)
(2×4.3cc)
1.2HP
Peak Output
20KRPM
Redline
- Inline-2 SOHC 4-stroke layout with deep, realistic twin-cylinder exhaust rumble
- Closed-loop radiator and water pump setup prevents overheating on long