John Deere 120
The John Deere 120 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: 736 lbs 333 kg.
Engine Power
12 hp
8.9 kW
Fuel & Capacities
1.75 gal
6.6 L
Transmission
Sundstrand 15
Operating Weight
736 lbs
333 kg
John Deere Lawn Tractors John Deere 120 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
 | 1970 - 1971
100 SeriesGarden tractor |
|---|---|
1970 - 1971 | |
100 Series | |
Garden tractor | |
Production | |
|---|---|
Manufacturer | John Deere |
Garden tractor | |
Built in Horicon, Wisconsin, USA | |
John Deere 120 Engine | |
|---|---|
12HP Kohler 476cc 1-cyl gasoline | |
Fuel tank | 1.75 gal
6.6 L |
Engine details ...  | |
John Deere 120 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station |
Tractor hitch | |
|---|---|
Type | sleeve hitch OptOptional |
Power Take-off (PTO) | |
|---|---|
Front PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 46 inches
116 cm |
Weight | 736 lbs
333 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 14 |
References | |
|---|---|
 | |
Lawn and Garden Equipment published in 1970, by John Deere | |
Loaders for John Deere Lawn & Garden Tractors published in 1970, by Johnson | |
Loaders for John Deere Lawn & Garden Tractors published in 1971, by Johnson | |
 | |
Operator's Manual 120 (OM-M44400) published in 1969 | |
Operator's Manual 41 and 48 Rotary Mowers (OMM49677) | |
Operator's Manual 43C and 54C Center Blade (OMM45478) published in 1970 | |
Operator's Manual 49 Snowthrower (OMM89078) published in 1986 |
Engine
Engine Detail — 476 cc / 29.1 ci Gasoline
Manufacturer | Kohler K301AS |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 476 cc
29.1 ci |
Bore/Stroke | 3.38x3.25 inches
86 x 83 mm |
Power (gross) | 12 hp
8.9 kW |
Air cleaner | dry |
Idle RPM | 1200-3800 |
Starter | electric |
Starter volts | 12 |
Sparkplug gap | 0.025 inches
0.635 mm |
Point gap | 0.020 inches
0.508 mm |
Intake valve clearance | 0.010 inches (cold)
0.254 mm |
Exhaust valve clearance | 0.020 inches (cold)
0.508 mm |
Oil capacity | 1.5 qts
1.4 L |
Oil change | 25 h |
Transmission
Transmission — Sundstrand 15
Transmission | Sundstrand 15 |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Oil capacity | 5 qts
4.7 L |
Oil type | Deere 303 |
Oil change | 500 h |
 | |
Deere 303 |
|---|
120 Transmission Controls | |
|---|---|
 | |
1 | Brake |
2 | Forward/Reverse |
3 | Throttle |
4 | Parking brake |
Dimensions
John Deere 120 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x8.50-12 |
Lawn/turf front | 4.80/4.00-8 |
Lawn/turf rear | 23x10.50-12 |
Dimensions | |
|---|---|
Wheelbase | 46 inches
116 cm |
Length | 67.5 inches
171 cm |
Width | 38 inches
96 cm |
Height | 43 inches
109 cm |
Weight | 736 lbs
333 kg |
Front tread | 31.25 inches
79 cm |
Rear tread | 29/34.5 inches
73/87 cm |
Attachments
Attachment overview | |
|---|---|
38" mid-mount mower deck | |
46" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
The 120 was compatible with the model 33 tiller with 26-, 34-, or 42-inch width. |
Photos
John Deere 120
John Deere 120
John Deere 120
John Deere 120
Patio series John Deere 120 in orange with 80 cart
Patio series John Deere 120 in orange with 80 cart
Patio series John Deere 120 in orange with 80 cart
John Deere 120 operator station and controls.
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