Select page: PICT-50.1 50 Powertrain ST838919 Transmission Mounting Brackets ST868165 Clutch and Traction Drive ST868168 Hydrostatic Transmission Other parts group: 20 Engine GU21714, ETN179140 30 Fuel and Air 40 Electrical 50 Powertrain 60 Steering and Brakes 80 Wheels, Frame and Operator's Station 85 Mower Deck and Lift Linkage 90 Labels and Optional Equipment