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 listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: Sundstrand 15. Operating weight: 736 lbs 333 kg.

Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
1.75 gal 6.6 L
Transmission
Sundstrand 15
Operating Weight
736 lbs 333 kg

Overview

John Deere 120 tractor photo
1970 - 1971 100 SeriesGarden tractor 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
120 references literature
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
120 manuals literature
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
120 15 shaft-driven hydrostatic speeds
Deere 303
120 Transmission Controls
John Deere 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

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

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.

John Deere 120 operator station and controls.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere Lawn Tractors John Deere 120.

Estimated Continuous Field Runtime: 2.9 hrs

Approximately 2.9 hours of continuous field operation at ~75% rated power on a full tank (1.8 gal / 6.6 L).

Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

John Deere Lawn Tractors John Deere 120 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere Lawn Tractors John Deere 120.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS