Gravely 8121

Production: 1978

Production
Manufacturer	Gravely
Type	Garden tractor

Variants

mechanical lift

hydraulic lift

Mechanical
Chassis	4x2 2WD
Steering	manual
Brakes	mechanical band
Cab	Open operator station.

Capacity
Fuel	5.3 gal 20.1 L
Hydraulic system	0.375 gal 1.4 L

Hydraulics
Type	open center
Capacity	0.375 gal 1.4 L
Pressure	1200 psi 82.7 bar
Pump flow	1.7 gpm 6.4 lpm

Power Take-off (PTO)
Mid PTO	independent
Clutch	mechanical

Engine Detail
Kohler K301
gasoline
1-cylinder
air-cooled horizontal-shaft
Displacement	476 cc 29.07 ci
Bore/Stroke	3.258x3.37 inches 83 x 86 mm
Power (gross)	12 hp 8.9 kW
Starter	electric
Starter volts	12
Oil capacity	2 qts 1.9 L

Transmission
Type	shaft-driven gear
Gears	8 forward and 4 reverse
Four gears (1-4) in two ranges (low/high) with directional control lever (forward/reverse). Reverse speeds are the same in high or low range.

Dimensions
Wheelbase	48 inches 121 cm
Length	75.5 inches 191 cm
Width	36.375 inches 92 cm
Height	43 inches 109 cm
Shiping weight	890 lbs 403 kg
Ground clearance	7 inches 17 cm