Gravely lawn tractors
Gravely 8122
The Gravely 8122 is a garden tractor produced from 1979 to 1985 as part of the 8000 Series. It features a 12 hp Kohler K301 476cc 1-cylinder air-cooled gasoline engine, an 8-speed gear transmission with 4 reverse speeds, and two-wheel drive with manual steering. The tractor has an open operator station and weighs 900 lbs (408 kg). It rides on 16x6.50-8 front tires and 23x8.50-12 rear tires. Attachments include various mower decks, snowblower, and blade options.
Power12 hp
Founded40/50" deck
Model8122
Technical Specifications
Detailed specifications and technical data for Gravely 8122
Tires
| Rear tire | 23x8.50-12 |
|---|---|
| Front tire | 16x6.50-8 |
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K301 |
| 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) |
| Oil capacity | 2 qts (1.9 L) |
| Power (gross) | 12 hp (8.9 kW) |
| Starter volts | 12 |
Variants
| 8122 | manual lift |
|---|---|
| 8123 | hydraulic lift |
Dimensions
| Width | 36.25 inches (92 cm) |
|---|---|
| Length | 75.5 inches (191 cm) |
| Shipping weight | 900 lbs (408 kg) |
| Height (steering wheel) | 43 inches (109 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Type | Garden tractor |
|---|---|
| Series | 8000 Series |
| Manufacturer | Gravely |
| Years produced | 1979 - 1985 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 4 reverse |
| Oil type | 10W-40 SC |
| Description | Four gears (1-4) in two ranges (low-high) with forward/reverse clutches. The directional clutch must be in neutral to shift gears or ranges. |
| Oil capacity | 6 qts (5.7 L) |
Attachment details
| 48" Blade front-mount | Liftmanual-angle BrandGravely Width48 inches (121 cm) |
|---|---|
| 40" Mower deck mid-mount | Liftmanual lift BrandGravely Width40 inches (101 cm) Blades3-blade Dischargeright-discharge Cut height1.5 to 3.5 inch (3 to 8 cm) |
| 50" Mower deck mid-mount | Liftmanual lift BrandGravely Width50 inches (127 cm) Blades3-blade Dischargeright-discharge Cut height1.5 to 3.5 inch (3 to 8 cm) |
| 40" Mower deck front-mount | BrandGravely Width40 inches (101 cm) Blades2-blade Cut height1.5 to 3 inch (3 to 7 cm) |
| 38" Snow blower front-mount | Typetwo-stage BrandGravely Width38 inches (96 cm) |