Introduction
Gravely 20-G Garden Tractor
The Gravely 20-G is a garden tractor produced between 1988 and 2001. Designed for residential property maintenance and landscaping tasks, this two-wheel-drive machine is part of the Gravely 18-G and 24-G series, known for their utility in lawn care and light agricultural applications.
Engine and Performance
The tractor is powered by a Kohler M20S gasoline engine. This 2-cylinder, air-cooled unit features a displacement of 770 cc (46.98 ci) and is rated at 20 horsepower (14.9 kW) at 3300 RPM. The engine uses a bore and stroke of 3.125 by 3.062 inches, providing sufficient torque for operating various implements, including 50-inch or 60-inch mower decks.
Transmission and Drivetrain
Power is transferred to the wheels via a shaft-driven gear transmission. This system offers 8 forward speeds and 4 reverse speeds, allowing the operator to select the appropriate ground speed for specific mowing or towing conditions. The tractor utilizes a two-wheel-drive configuration.
Mechanical and Dimensions
The 20-G is built on a 52.3-inch wheelbase with an overall length of 82 inches and a width of 43.2 inches. It features manual steering and mechanical band brakes for stopping. The operator station is of an open design. With a base weight of 883 lbs, the machine is equipped with lawn and turf tires sized 16x7.50-8 in the front and 23x10.50-12 in the rear to minimize ground pressure.
Electrical System
The electrical system operates on 12 volts with a negative ground. It uses a standard battery group 22F with a 42 AH rating. The charging system provides 15 amps to maintain battery levels during operation, and the engine is started via an electric starter.
Conclusion
The Gravely 20-G is a robust garden tractor tailored for property owners requiring a reliable machine for lawn maintenance. Its combination of a high-displacement twin-cylinder engine and a multi-speed gear transmission makes it a versatile tool for tasks involving mowing decks and other powered attachments within its power class.
Production Information of Gravely lawn tractors, 20-G
- Garden tractor
| Manufacturer | Gravely |
|---|
Dimension and Tires Information of Gravely lawn tractors, 20-G
| Wheelbase | 52.3 inches [132 cm] |
|---|---|
| Weight | 883 lbs [400 kg] |
| Height | 51 inches [129 cm] |
| Length | 82 inches [208 cm] |
| Width | 43.2 inches [109 cm] |
| Lawn/turf front | 16x7.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
Engine Specifications of Gravely lawn tractors, 20-G
- Kohler M20S
- Air-cooled
- Gasoline
- 2-cylinder
| Oil capacity | 1.5 qts [1.4 L] |
|---|---|
| Displacement | 770 cc [46.98 ci] |
| Rated RPM | 3300 |
| Bore/Stroke | 3.125x3.062 inches [79 x 78 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Power (gross) | 20 hp [14.9 kW] |
Transmission Information of Gravely lawn tractors, 20-G
Transmission variants 1
| Type | Shaft-driven gear |
|---|---|
| Type(optional) | SC10W-30 |
| Oil type | SC10W-30 |
| Gears | 8 forward and 4 reverse |
| Oil capacity | 6 qts [5.7 L] |
Mechanical Specs of Gravely lawn tractors, 20-G
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical band brakes
Electrical System of Gravely lawn tractors, 20-G
| Ground | Negative |
|---|---|
| Battery Group | 22F |
| Battery AH | 42 |
| Charging amps | 15 |
| Battery volts | 12 |
Where it sits
With 20 HP, the Gravely lawn tractors 20-G sits between 18-G (18 HP) and 24-G (24 HP) in Gravely lawn tractors's range. Its power puts it in the 98th percentile of 1980s models in our database (977 machines).
Frequently asked questions
How much horsepower does the Gravely lawn tractors 20-G have?
The Gravely lawn tractors 20-G delivers 20 HP.
What years was the Gravely lawn tractors 20-G produced?
The Gravely lawn tractors 20-G was produced in 1988-2001.
What engine does the Gravely lawn tractors 20-G have?
The Gravely lawn tractors 20-G is powered by a Gasoline, 2-cylinder engine.
What transmission does the Gravely lawn tractors 20-G use?
The Gravely lawn tractors 20-G uses a Shaft-driven gear transmission.
How much does the Gravely lawn tractors 20-G weigh?
The Gravely lawn tractors 20-G weighs 883 lbs [400 kg].
Is the Gravely lawn tractors 20-G 4WD?
The Gravely lawn tractors 20-G is available in 2WD.