Gravely 812
The Gravely 812 is a tractor produced by Gravely Lawn Tractors. It is equipped with a 476 cc 29.07 ci engine. The rated power output is 12 hp 8.9 kW. Transmission: 8 forward and 4 reverse. Operating weight: 900 lbs 408 kg.
Engine Power
12 hp
8.9 kW
Fuel & Capacities
5.3 gal
20.1 L
Transmission
8 forward and 4 reverse
Operating Weight
900 lbs
408 kg
Gravely Lawn Tractors Gravely 812 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1973 - 1978
800 SeriesGarden tractor |
|---|---|
1973 - 1978 | |
800 Series | |
Garden tractor | |
Production | |
|---|---|
Manufacturer | Gravely |
Garden tractor | |
Gravely 812 Engine | |
|---|---|
12HP Kohler 476cc 1-cyl gasoline | |
Fuel tank | 5.3 gal
20.1 L |
Engine details ...  | |
Gravely 812 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 900 lbs
408 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 43 |
Battery Group | 22F |
References | |
|---|---|
 | |
Owner's Manual 810 - 812 - 814 - 816 (20041L3) published in 1973 | |
Owner's Manual 800 Series (22454) published in 1977 | |
Riding Tractors published in 1973, by Gravely | |
Like Nobody Else published in 1976, by Gravely | |
Choice of the Pros published in 1977, by Gravely | |
Riding Tractors published in 1978, by Gravely |
Engine
Engine Detail — 476 cc / 29.07 ci Gasoline
Manufacturer | Kohler K301 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 476 cc
29.07 ci |
Bore/Stroke | 3.25x3.37 inches
83 x 86 mm |
Power | 12 hp
8.9 kW |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Sparkplug gap | 0.025 inches
0.635 mm |
Intake valve clearance | 0.009 inches
0.229 mm |
Exhaust valve clearance | 0.018 inches
0.457 mm |
Oil capacity | 2.5 qts
2.4 L |
Transmission
Transmission — 8 forward and 4 reverse shaft-driven gear
Type | shaft-driven gear |
Gears | 8 forward and 4 reverse |
Oil capacity | 6 qts
5.7 L |
Oil type | SAE30 |
 | |
Gravely 812 Transmission | |
|---|---|
 |
Dimensions
Gravely 812 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x8.50-12 |
Dimensions | |
|---|---|
Length | 75.5 inches
191 cm |
Width | 36.25 inches
92 cm |
Height | 43 inches
109 cm |
Shipping weight | 900 lbs
408 kg |
Attachments
Attachment overview | |
|---|---|
40" mid-mount mower deck | |
50" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
Gravely 812
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