25 hp (18.4 kW)
The gross horsepower of this engine was laboratory rated at 3600 rpm by the engine manufacturer in accordance with SAE J1940 or SAE J2723. As configured to meet safety, emission, and operating requirements, the actual engine horsepower on this class of mower will be significantly lower.
Housings - 9 in. (22.9 cm) diameter cast aluminum
Bearings - Greaseless ball