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

High RPM Rear Exhaust Performance for Monster Trucks

The O.S. Engine OS-13970 30 VG(P)-X brings dependable, high rev performance to monster truck builds. Its recoil starter and pilot-type crankshaft make starting straightforward while providing stable running for both competitive events and weekend bashing.

Compact Engineering with Measured Output

This engine houses a 0.298 cubic inch (5.0cc) displacement and produces 3.0 ps at 28,000 RPM, giving rapid acceleration and a usable RPM window from 4,000 to 36,000. The rear exhaust configuration helps concentrate power delivery and simplifies installation in tighter chassis layouts.

Durable Construction for Rough Use

Built with a rugged crankcase and reinforced mounting ears, the OS-13970 30 VG(P)-X is designed to withstand demanding runs. It includes a #8 glow plug and a practical air filter to support consistent combustion, while the 14.4 ounce (408 gram) weight balances durability with handling requirements on rough tracks.

For RC drivers who need a robust rear exhaust option, the O.S. Engine OS-13970 30 VG(P)-X balances punch and reliability to perform across rough courses and heavy use scenarios.