O.S. Engine OS-13970 30 VG(P)-X Monster Truck Rear Exhaust Engine Special Edition  [OS-13970]

Rear Exhaust Power Tailored for Off-Road Trucks

The O.S. Engine OS-13970 30 VG(P)-X delivers a focused power curve for monster truck setups, pairing a recoil starter with a pilot-type crankshaft for reliable ignition and smooth operation on varied terrain.

Engine Layout and Usable Rev Range

Featuring a 0.298 cu in (5.0cc) displacement and a 3.0 ps output at 28,000 RPM, this engine responds quickly and maintains a practical operating band from 4,000 to 36,000 RPM. The rear exhaust orientation assists with compact plumbing and power transfer.

Robust Build for Trail and Track

Constructed with a sturdy crankcase and solid mounting ears, the OS-13970 30 VG(P)-X resists heavy impacts and aggressive driving. Included components like the #8 glow plug and air filter help keep combustion consistent, while the 14.4 oz (408 g) mass keeps the truck balanced.

Whether you run stadium events or weekend off-road sessions, the O.S. Engine OS-13970 30 VG(P)-X offers a balanced mix of rev capability and build quality for large-scale RC trucks.