roper lawn tractors t633

1974 - 1978
Model year 1974-19751976-19771978
Garden tractor

Engine Detail
Onan BF-MS
gasoline
2-cylinder
air-cooled horizontal-shaft opposed twin
Displacement	660 cc 40.3 ci
Bore/Stroke	3.125x2.625 inches 79 x 67 mm
Power (gross)	16 hp 11.9 kW
Starter	electric
Starter volts	12