Tractorpedia.com

John Deere 120

John Deere 120 tractor
View Images
The John Deere 120 is a garden tractor produced from 1970 to 1971 as part of the 100 Series. It features a 12 hp Kohler K301AS 476cc 1-cylinder air-cooled gasoline engine, a shaft-driven hydrostatic Sundstrand 15 transmission with infinite forward and reverse speeds, and a 2-wheel drive mechanical setup with manual steering and an open operator station. The tractor was built in Horicon, Wisconsin, USA. It has a wheelbase of 46 inches, weighs 736 lbs, and uses lawn/turf tires. The 120 supports various attachments including mid-mount mower decks, snowblower, blades, and front-end loaders, making it versatile for lawn and garden tasks.
John Deere 120garden tractorKohler K301AS enginehydrostatic transmissionlawn tractormower decksnowblowerfront-end loader
Power12 hp
Founded38/46" deck
Model120

Technical Specifications

Detailed specifications and technical data for John Deere 120

Tires

Lawn/turf rear:23x8.50-12, 23x10.50-12
Lawn/turf front:16x6.50-8, 4.80/4.00-8

Engine

Type:gasoline
Model:Kohler K301AS
Cooling:air-cooled horizontal-shaft
Starter:electric
Idle RPM:1200-3800
Cylinders:1-cylinder
Fuel tank:1.75 gal (6.6 L)
Point gap:0.020 inches (0.508 mm)
Air cleaner:dry
Bore/Stroke:3.38x3.25 inches (86 x 83 mm)
Displacement:476 cc (29.1 ci)
Oil capacity:1.5 qts (1.4 L)
Power (gross):12 hp (8.9 kW)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:12
Oil change interval:25 h
Intake valve clearance:0.010 inches (cold) (0.254 mm)
Exhaust valve clearance:0.020 inches (cold) (0.508 mm)

Dimensions

Width:38 inches (96 cm)
Height:43 inches (109 cm)
Length:67.5 inches (171 cm)
Weight:736 lbs (333 kg)
Wheelbase:46 inches (116 cm)
Rear tread:29/34.5 inches (73/87 cm)
Front tread:31.25 inches (79 cm)

Electrical

Ground:negative
Battery AH:14
Battery volts:12

Production

Type:Garden tractor
Series:100 Series
Built in:Horicon, Wisconsin, USA
Years produced:1970 - 1971

Attachments

Loader

Model:Johnson 12 Loader
Weight:410 lbs (185 kg)
Dump angle:47°
Bucket width:38 inches (96 cm), 48 inches (121 cm)
Lift capacity:500 lbs (full at pin) (226 kg)
Reach (dumped):16 inches (40 cm)
Height (at pin):69.5 inches (176 cm)
Clearance (level):67 inches (170 cm)
Clearance (dumped):54 inches (137 cm)
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.

54" Blade

Cut:3.5 inches (8 cm)
Lift:15 inches (38 cm)
Model:John Deere 54
Mount:front-mount
Width:54 inches (137 cm)
Height:18 inches (45 cm)
Weight:140 lbs (63 kg)
Angling:30°
Lift type:hydraulic-lift
Angle type:manual-angle

38" Mower deck

Lift:hydraulic lift
Model:John Deere 41
Blades:3-blade
Weight:111 lbs (50 kg)
Discharge:right-discharge
Cut height:1.5 to 3.5 inch (3 to 8 cm)
Total width:49.25 inches (125 cm)
Cutting width:38 inches (96 cm)

46" Mower deck

Lift:hydraulic lift
Model:John Deere 48
Blades:3-blade
Weight:144 lbs (65 kg)
Discharge:right-discharge
Cut height:1.5 to 3.5 inch (3 to 8 cm)
Total width:57 inches (144 cm)
Cutting width:46 inches (116 cm)

46" Snow blower

Lift:hydraulic-lift
Type:one-stage
Model:John Deere 49
Mount:front-mount
Width:46 inches (116 cm)
Weight:197 lbs (89 kg)

54" Blade Center-mount

Cut:0.75 inches (1 cm)
Lift:3 inches (7 cm)
Model:John Deere 54C
Mount:center-mount
Width:54 inches (137 cm)
Weight:104 lbs (manual) (47 kg), 112 lbs (hydraulic) (50 kg)
Angling:20°
Lift type:hydraulic-lift
Angle type:manual-angle, hydraulic-angle (Optional)

Transmission

Type:shaft-driven hydrostatic
Gears:infinite forward and reverse
Model:Sundstrand 15

Controls

1:Brake
2:Forward/Reverse
3:Throttle
4:Parking brake
Oil type:Deere 303
Oil capacity:5 qts (4.7 L)
Oil change interval:500 h

Tractor hitch

Type:sleeve hitch (Optional)

Power Take-off (PTO)

Clutch:electric
Front PTO:independent

Related Models

John Deere 112

Model:112

John Deere 140

Model:140