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Gravely 8129

Gravely 8129 tractor
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The Gravely 8129 is a 1980 garden tractor from the 8000 Series by Gravely. It features a 12 hp Kohler K301 476cc 1-cylinder air-cooled gasoline engine, an 8-speed gear transmission, and hydraulic lift. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes an open center hydraulic system with 1200 psi pressure and 1.7 gpm pump flow. The mid PTO is independent with a mechanical clutch and 1000 type. Dimensions include a 52 inch wheelbase, 890 lbs weight, and tires sized 16x6.50-8 front and 23x8.50-12 rear. Electrical system has a 12 volt negative ground battery with 42 AH capacity.
Gravely 8129garden tractor12 hpKohler K3018000 Serieslawn tractor1980hydraulic lift8-speed transmission
Power12 hp
Founded-
Model8129

Technical Specifications

Detailed specifications and technical data for Gravely 8129

Engine

Type:gasoline
Model:Kohler K301
Power:12 hp (8.9 kW)
Cooling:air-cooled horizontal-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:5.3 gal (20.1 L)
Bore/Stroke:3.375x3.25 inches (86 x 83 mm)
Displacement:476 cc (29.07 ci)
Starter volts:12

Variants

8128:mechanical lift
8129:hydraulic lift

Electrical

Ground:negative
Battery AH:42
Battery volts:12

Hydraulics

Type:open center
Pressure:1200 psi (82.7 bar)
Pump flow:1.7 gpm (6.4 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Garden tractor
Year:1980
Series:8000 Series
Manufacturer:Gravely

Transmission

Type:8-speed gear

Dimensions & Tires

Weight:890 lbs (403 kg)
Rear tire:23x8.50-12
Wheelbase:52 inches (132 cm)
Front tire:16x6.50-8

Power Take-off (PTO)

Clutch:mechanical
Mid PTO:independent
Mid PTO Type:1000

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