
Gravely lawn tractors 812
Power
12 hp
Production
1973-1978
Engine
1-cylinder
Transmission
Shaft-driven gear
Weight
900 lbs [408 kg]
Drive
2WD
From the same series:
Introduction
Gravely 812 Garden Tractor
The Gravely 812 is a garden tractor produced between 1973 and 1978. It serves as a compact, utilitarian machine designed for residential property maintenance and landscaping tasks.
Engine and Powertrain
The tractor is powered by a 12 hp (8.9 kW) air-cooled, single-cylinder engine with a horizontal shaft and a displacement of 476 cc (29.07 ci). The engine operates at a rated speed of 3600 RPM. It features an electric starter system and requires an oil capacity of 2.5 quarts (2.4 L).
Transmission and Drivetrain
Power is delivered to the wheels via a shaft-driven gear transmission, providing 8 forward and 4 reverse speeds. This setup allows for precise speed control during various garden tasks. The system utilizes SAE30 oil with a capacity of 6 quarts (5.7 L). The tractor utilizes a two-wheel drive configuration.
Dimensions and Operator Station
The Gravely 812 features an open operator station with manual steering. It measures 75.5 inches (191 cm) in length, 36.25 inches (92 cm) in width, and 43 inches (109 cm) in height. With a shipping weight of 900 lbs (408 kg), it is a compact machine suitable for smaller acreage. It is designed to accommodate 40-inch or 50-inch mower decks.
Conclusion
The Gravely 812 is a robust garden tractor suited for landowners requiring a versatile, gear-driven machine for mowing and general property upkeep. Its mechanical simplicity and compact footprint make it a practical choice for residential and light-duty agricultural applications.
Production Information of Gravely lawn tractors, 812
- Garden tractor
| Manufacturer | Gravely |
|---|
Dimension and Tires Information of Gravely lawn tractors, 812
| Length | 75.5 inches [191 cm] |
|---|---|
| Shipping weight | 900 lbs [408 kg] |
| Width | 36.25 inches [92 cm] |
| Height | 43 inches [109 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x8.50-12 |
Engine Specifications of Gravely lawn tractors, 812
- Air-cooled horizontal-shaft
- 1-cylinder
| Sparkplug gap | 0.025 inches [0.635 mm] |
|---|---|
| Displacement | 476 cc [29.07 ci] |
| Oil capacity | 2.5 qts [2.4 L] |
| Rated RPM | 3600 |
| Bore/Stroke | 3.25x3.37 inches [83 x 86 mm] |
| Exhaust valve clearance | 0.018 inches [0.457 mm] |
| Intake valve clearance | 0.009 inches [0.229 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Power | 12 hp [8.9 kW] |
Transmission Information of Gravely lawn tractors, 812
Transmission variants 1
| Type | Shaft-driven gear |
|---|---|
| Type(optional) | SAE30 |
| Oil type | SAE30 |
| Gears | 8 forward and 4 reverse |
| Oil capacity | 6 qts [5.7 L] |
Transmission variants 2
Mechanical Specs of Gravely lawn tractors, 812
- Two-wheel drive
- Manual steering
- Open operator station.
Electrical System of Gravely lawn tractors, 812
| Ground | Negative |
|---|---|
| Battery Group | 22F |
| Battery volts | 12 |
| Battery AH | 43 |
Where it sits
With 12 HP, the Gravely lawn tractors 812 sits between 810 (10 HP) and 814 (14 HP) in Gravely lawn tractors's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Gravely lawn tractors 812 have?
The Gravely lawn tractors 812 delivers 12 HP.
What years was the Gravely lawn tractors 812 produced?
The Gravely lawn tractors 812 was produced in 1973-1978.
What engine does the Gravely lawn tractors 812 have?
The Gravely lawn tractors 812 is powered by a 1-cylinder engine.
What transmission does the Gravely lawn tractors 812 use?
The Gravely lawn tractors 812 uses a Shaft-driven gear transmission.
How much does the Gravely lawn tractors 812 weigh?
The Gravely lawn tractors 812 weighs 900 lbs [408 kg].
Is the Gravely lawn tractors 812 4WD?
The Gravely lawn tractors 812 is available in 2WD.