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Traxxas 3.3 Engine Specs

The Traxxas 3.3 (TRX 3.3) engine is commonly fitted to the Traxxas Revo radio-controlled off-road vehicle, but appears with other models as well. The engine allows these tiny vehicles to achieve speeds of up to 45 mph.

Weight, Displacement and Bore x Stroke
- The TRX 3.3 engine weighs 257 g and is a 3.3 cc engine, a significant increase from its previous model, the TRX 2.5, which was only 2.5 cc. The TRX 3.3 sports a 14.7 mm cylinder bore and a 16.9 mm stroke.
Peak Performance Statistics
- The TRX 3.3's maximum horsepower is 1.06 hp at 30,900 rpm. Its peak torque is 38.32 ounce-inches at 22,700 rpm, and its maximum cycle speed is 38,100 rpm.
Dimensional Details
- The distance between the TRX 3.3's mounting holes on the same side is 11 mm, while the distance between the mounting holes on the opposite sides is 32 mm. The engine measures 32 mm from its center to its front bearing. The distance between the bottom of its mounting flanges and the top of its cylinder head is 92 mm. Measurement from the bottom of the engine's crankcase to the top of its cylinder head is 105 mm. The TRX 3.3's mounting flanges are 39.5 mm wide.

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