John Deere 312
The John Deere 312 is a tractor produced by John Deere Lawn Tractors. It is equipped with a 476 cc 29.1 ci engine. The rated power output is 12 hp 8.9 kW. Transmission: Sundstrand 15. Operating weight: 760 lbs 344 kg.
Engine Power
12 hp
8.9 kW
Fuel & Capacities
Gasoline
Transmission
Sundstrand 15
Operating Weight
760 lbs
344 kg
John Deere Lawn Tractors John Deere 312 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
 | 1977 - 1978
300 SeriesGarden tractor |
|---|---|
1977 - 1978 | |
300 Series | |
Garden tractor | |
Production | |
|---|---|
Manufacturer | John Deere |
Garden tractor | |
Built in Horicon, Wisconsin, USA | |
John Deere 312 Engine | |
|---|---|
12HP Kohler 476cc 1-cyl gasoline | |
Engine details ...  |
John Deere 312 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. |
Tractor hitch | |
|---|---|
Type | sleeve hitch OptOptional |
Dimensions & Tires | |
|---|---|
Wheelbase | 46 inches
116 cm |
Weight | 760 lbs
344 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Lawn and Garden Tractors published in 1978, by John Deere | |
Operator's Manual 41 and 48 Rotary Mowers (OMM49677) | |
Operator's Manual 49 Snowthrower (OMM89078) published in 1986 |
Engine
Engine Detail — 476 cc / 29.1 ci Gasoline
Manufacturer | Kohler K301AQS |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 476 cc
29.1 ci |
Bore/Stroke | 3.375x3.25 inches
86 x 83 mm |
Power (gross) | 12 hp
8.9 kW |
Air cleaner | dry |
Starter volts | 12 |
Transmission
Transmission — Sundstrand 15
Transmission | Sundstrand 15 |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Oil type | JD All-Weather Hydrostatic Fluid |
 | |
JD All-Weather Hydrostatic Fluid |
|---|
312 Transmission Controls | |
|---|---|
 | |
1 | Throttle |
2 | Forward/Reverse |
3 | Brake |
4 | Parking brake |
Dimensions
John Deere 312 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x8.50-12 |
Dimensions | |
|---|---|
Wheelbase | 46 inches
116 cm |
Length | 69 inches
175 cm |
Width | 42.5 inches
107 cm |
Height | 44 inches
111 cm |
Weight | 760 lbs
344 kg |
Attachments
Attachment overview | |
|---|---|
38" mid-mount mower deck | |
46" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
The 312 was compatible with the John Deere model 33 tiller, with 26-, 34-, or 42-inch width. The 33 tiller requires the installation of the rear PTO kit (BM15851) on the tractor. |
Photos
John Deere 312
John Deere 312 operator station and controls.
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