John Deere 140

John Deere 140The John Deere 140 is a garden tractor model from the 100 series, manufactured from 1968 to 1974 by John Deere in Horicon, Wisconsin, USA. It was available in a two-wheel drive (2WD) version.

The John Deere 140 is equipped with one of two engines: a 476 сс (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, or a 512 сс (31.2 cu·in) single-cylinder gasoline engine with 88.9 mm (3.5 in) of the cylinder bore and 82.6 mm (3.25 in) of the piston stroke, and a shaft-driven hydrostatic transmission with infinite forward and reverse gears.

The John Deere 140 garden tractor features:

  • The Kohler K301AS gasoline engine which produces 12.1 PS (8.9 kW; 12.0 HP) at 3,800 rpm of horsepower or the Kohler K321AS gasoline engine with 14.1 PS (10.4 kW; 14.0 HP) at 3,800 rpm of output power
  • Manual steering
  • Integral mechanical disc brakes (1968), differential mechanical disc brakes (from 1969 to 1970), drum brakes (after 1971)
  • Open operator station
  • Category 0 rear hitch (optioanl)
  • Independent front PTO with electric clutch
  • Live type rear PTO

General specifications

General Specifications
Model John Deere 140
Tractor type Garden tractor
Production years 1968-1974
Factory Horicon, Wisconsin, USA
Dimensions and weight
Length 1,710 mm (67.3 in)
Width 960 mm (37.8 in)
Height 1,090 mm (42.9 in)
Wheel base 1,160 mm (45.7 in)
Weight 330 kg (728 lbs)
Fuel capacity
Fuel tank capacity 6.6 liters (1.7 US gal.; 1.5 Imp. gal)

Engine

Engine Specifications
Engine model Kohler K301AS
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)
Compression ratio 6.0:1
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. qt, 1.2 Imp. qt.)
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 K321AS
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 512 cm3, (31.2 cu·in)
Bore and stroke 88.9 mm X 82.6 mm (3.50 in X 3.25 in)
Compression ratio 6.0:1
Max. horsepower 14.1 PS (10.4 kW; 14.0 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. qt, 1.2 Imp. qt.)
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 Integral mechanical disc (1968)
Differential mechanical disc (from 1969 to 1970)
Drum (after 1971)
Transmission
Transmission manufacturer or model Sundstrand 15
Transmission type Shaft-driven hydrostatic
Gears Infinite forward and reverse
Speed Forward: 10.9 kmh (6.8 mph)
Reverse: 6.0 kmh (3.7 mph)
Transmission oil capacity 4.7 L (1.2 US. gal, 1 Imp. gal.)

Tires

Tires
Front tires Ag: 4.80/4.00-8
Lawn/turf: 16×6.50-8
Rear tires Ag: 23×8.50-12
Lawn/turf: 23×8.50-12

PTO (Power take-off shaft)

PTO
Front PTO type Independent with electric clutch
Front PTO speed
Rear PTO type Live
Rear PTO speed

Electrical system

Electrical system
Ground Negative
Charging system
Charging amps
Battery 12V, 40Ah

Serial numbers

John Deere 140 serial numbers
1968 1001
1969 10001
1970 22401
1971 30001
1972 38001
1973 46501
1974 56501

Attachments

John Deere 41: 38″ mid-mount mower deck with 2-blade and hydraulic lift
Cutting width 960 mm (38 in)
John Deere 48″ mid-mount mower deck with 3-blade and hydraulic lift
Cutting width 1,210 mm (48 in)
John Deere 54″ front-mount blade with hydraulic-lift
Cutting width 1,370 mm (54 in)
John Deere 54C: 54″ center-mount blade with hydraulic-lift and manual-angle (hydraulic-angle optional)
Cutting width 1,370 mm (54 in)
Lift 70 mm (3 in)
Angling 20°
Weight Manual: 47 kg (104 lbs)
Hydraulic: 50 kg (112 lbs)
John Deere 49: 46″ front-mount one-stage snow blower with hydraulic-lift
Cleaning width 1,160 mm (46 in)
Weight 89 kg (197 lb)

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