John Deere 112

John Deere 112The John Deere 112 is a garden tractor model from the 100 series, manufactured from 1966 to 1974 by John Deere in Horicon, Wisconsin, USA. It was available in a two-wheel drive (2WD) version.

THe JD 112 used a gear type with variable pulley drive transmission with 4 forward and 1 reverse gear, manual steering, and an open operator station.

The John Deere 112 is equipped with one of three engines:

  • The Tecumseh HH100 (it was an original engine and used for the JD 112 through 1972): a 289 cc (23.7 cu·in) single-cylinder gasoline engine with 84.0 mm (3.31 in) of the cylinder bore and 70.0 mm (2.76 in) of the piston stroke. This engine produced 10.2 PS (7.5 kW; 10.0 HP) at 3,600 rpm of horsepower.
  • The Kohler K241AS (was introduced in 1969 as an optional engine): a 391 L (23.9 cu·in) single-cylinder gasoline engine with 82.6 mm (3.25 in) of the cylinder bore and 73.0 mm (2.87 in) of the piston stroke. This engine produced 10.2 PS (7.5 kW; 10.0 HP) at 3,600 rpm of horsepower.
  • The Kohler K301AS (was introduced in 1972 and used until 1974): a 476 L (29.0 cu·in) single-cylinder gasoline engine with 85.7 mm (3.37 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke. This engine produced 12.2 PS (9.0 kW; 12.0 HP) rpm of horsepower.

General specifications

General Specifications
Model John Deere 112
Tractor type Garden tractor
Production years 1966-1974
Factory Horicon, Wisconsin, USA
Dimensions and weight
Length 1,600 mm (63 in)
Width 1,050 mm (41.3 in)
Height 980 mm (38.6 in)
Wheel base 1,110 mm (43.7 in)
Weight 288 kg (635 lbs)
Fuel capacity
Fuel tank capacity 7.2 liters (1.9 US gal.; 1.6 Imp. gal)

Engine

Engine
Engine model Techumseh HH100
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 388 cm2, (23.7 cu·in)
Bore and stroke 84.0 mm X 70.0 mm (3.31 in X 2.76 in)
Max. horsepower 10.2 PS (7.5 kW; 10.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Ignition system Solid state ignition system (CDI)
Fuel system Carburetor
Starter Electric
Valve clearance
Intake valve clearance: 0.254 mm (0.01 in)
Exhaust valve clearance: 0.508 mm (0.02 in)
Oil system
Lubrication system: Splash type
Oil type: API SF or SJ
Recommended oil: SAE 10-W30
Oil capacity: From 1966 to earlier 1970 (s/n 161,771): 1.2 L (1.25 US.qts, 1.1 Imp. qts)
After earlier 1970 (from s/n 161,772): 1.4 L (1.5 US.qts, 1.2 Imp. qts)
Ignition system
Spark plug: Champion J-8
Spark plug gap: 0.763 mm (0.03 in)
Spark plug torque: 30 N·m (3.1 kg·m, 22.1 ft·lb)
Engine Specifications
Engine model Kohler K241
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 391 cm3, (23.86 cu·in)
Bore and stroke 82.6 mm X 73.0 mm (3.25 in X 2.87 in)
Max. horsepower 10.2 PS (7.5 kW; 10.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Ignition system Battery ignition system
Fuel system Carburetor
Starting system Electirc starter
Compression pressure
Normal: 7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance: 0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance: 0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system: Splash type
Oil type: API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity: 1.4 L (1.5 US.qts, 1.2 Imp. qts)
Ignition system
Type: Battery ignition system
Spark plug: Champion RH10
Spark plug gap: 0.65 mm (0.0256 in)
Spark plug torque: 27 N·m (2.8 kg·m, 19.9 ft·lb)
Engine Specifications
Engine model Kohler K301
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 476 cm3, (29.0 cu·in)
Bore and stroke 85.7 mm X 82.6 mm (3.37 in X 3.25 in)
Max. horsepower 12.2 PS (9.0 kW; 12.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Fuel system Carburetor
Starting system Electirc starter
Compression pressure
Normal: 7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance: 0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance: 0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system: Splash type
Oil type: API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity: 1.4 L (1.5 US.qts, 1.2 Imp. qts)
Ignition system
Spark plug: Champion RH10
Spark plug gap: 0.65 mm (0.0256 in)
Spark plug torque: 27 N·m (2.8 kg·m, 19.9 ft·lb)

Transmission and chassis

Chassis, steering and brakes
Chassis 4×2 2WD
Steering type Manual
Brakes
Transmission
Transmission manufacturer or model Peerless 2300
Transmission type Gear type with variable pulley drive
Gears 4 forward and 1 reverse
Speed Forward: 11.4 kmh (7.1 mph)
Reverse: 5.0 kmh (3.1 mph)
Transmission oil capacity 4.7 L (1.2 US. gal, 1 Imp. gal.)

Tires

Tires
Front tires Lawn/turf: 16×6.50-8
Rear tires Lawn/turf: 8-12

Electrical system

Electrical system
Ground Negative
Charging system
Charging amps
Battery 12V

Hydraulic system

Hydraulic system
Hydraulic type
Hydraulic capacity 4.7 L (1.2 US. gal, 1 Imp. gal.)

Attachments

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