Gravely lawn tractors
Gravely 20-G
The Gravely 20-G is a garden tractor produced from 1988 to 2001 as part of the Professional G Series. It features a 20 horsepower Kohler M20S 770cc 2-cylinder air-cooled gasoline engine, an 8-speed gear transmission, and two-wheel drive with manual steering and mechanical band brakes. The tractor has an open operator station and runs on lawn/turf tires sized 16x7.50-8 front and 23x10.50-12 rear. It weighs 883 lbs (400 kg) and has dimensions of 82 inches length, 43.2 inches width, and 51 inches height. Electrical system includes a 12-volt battery with 42 AH capacity and 15 amps charging. Attachments available include 50" and 60" mid-mount mower decks, a 48" blade, and a 48" two-stage snow blower.
Power-
Founded-
Model20-G
Technical Specifications
Detailed specifications and technical data for Gravely 20-G
Engine
| Type | gasoline |
|---|---|
| Model | Kohler M20S |
| Cooling | air-cooled |
| Starter | electric |
| Cylinders | 2-cylinder |
| Fuel tank | 5.3 gal (20.1 L) |
| Rated RPM | 3300 |
| Bore/Stroke | 3.125x3.062 inches (79 x 78 mm) |
| Displacement | 770 cc (46.98 ci) |
| Oil capacity | 1.5 qts (1.4 L) |
| Power (gross) | 20 hp (14.9 kW) |
| Starter volts | 12 |
Dimensions
| Width | 43.2 inches (109 cm) |
|---|---|
| Height | 51 inches (129 cm) |
| Length | 82 inches (208 cm) |
| Weight | 883 lbs (400 kg) |
| Rear tire | 23x10.50-12 |
| Wheelbase | 52.3 inches (132 cm) |
| Front tire | 16x7.50-8 |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 42 |
| Battery Group | 22F |
| Battery volts | 12 |
| Charging amps | 15 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical band brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Series | Professional G Series |
|---|---|
| Category | Garden tractor |
| Manufacturer | Gravely |
| Years produced | 1988 - 2001 |
Attachments
| 48" Blade | front-mount, 48 inches width (121 cm), 21 inches height (53 cm), Weight: 120 lbs (54 kg) |
|---|---|
| 48" Snow blower | 48 inches width (121 cm), two-stage, front-mount, Weight: 290 lbs (131 kg) |
| 50" mid-mount mower deck | 50 inches (127 cm), Total width: 62 inches (157 cm), 3-blade, right-discharge, Cut height: 1 to 4.5 inch (2 to 11 cm), Weight: 197 lbs (89 kg) |
| 60" mid-mount mower deck | 60 inches (152 cm), Total width: 71 inches (180 cm), 3-blade, right-discharge, Cut height: 1.5 to 5 inch (3 to 12 cm), Weight: 362 lbs (164 kg) |
Transmission
| Type | 8-speed gear |
|---|