Gravely lawn tractors 816 tractor specifications

1972 - 1978 800 SeriesGarden tractor

Production ManufacturerGravely TypeGarden tractor

Gravely 816 Engines 16.5HP Onan 816cc 2-cyl gasoline 16HP Onan 716cc 2-cyl gasoline Fuel tank5.3 gal
20.1 L Engine details ...

800 Series

Garden tractor

Engine Detail
Onan CCKA
gasoline
2-cylinder
air-cooled horizontal-shaft opposed-twin
The CCKA was used for the first seven years of production on the 816, up until 1978.
Displacement	816 cc 49.80 ci
Bore/Stroke	3.00x3.25 inches 76 x 83 mm
Power	16.5 hp 12.3 kW
Rated RPM	3600
Starter	electric
Starter volts	12
Sparkplug gap	0.025 inches 0.635 mm
Intake valve clearance	0.011 inches 0.279 mm
Exhaust valve clearance	0.011 inches 0.279 mm

Engine Detail
Onan B43M
gasoline
2-cylinder
air-cooled
The B43M was used on the Gravely 816 for the final production year, in 1978.
Displacement	716 cc 43.7 ci
Bore/Stroke	3.25x2.62 inches 83 x 67 mm
Power	16 hp 11.9 kW
Rated RPM	3600
Starter	electric
Starter volts	12