John Deere G (1942-1948)

John Deere GThe John Deere G GM is a 2WD row-crop tractor from the Two-Cylinder Letter series. The second generation, known as model GM (“G Modernized”), was manufactured by John Deere in Waterloo, Iowa, USA from 1942 to 1948. The John Deere G is equipped with a 6.8 L (412.5 cu·in) two-cylinder all-fuel engine and a gear type transmission with 6 forward and 1 reverse gears.

The John Deere model G row-crop tractor used the John Deere engine. It is a 6.8 L, 6,759 cm2, (412.5 cu·in) two-cylinder natural aspirated all-fuel engine with 156.0 mm (6.14 in) of the cylinder bore and 178.0 mm (7.01 in) of the piston stroke. The compression ratio rating is 4.2:1. This engine produced 20.9 PS (15.4 kW; 20.7 HP) of output power.

The John Deere G is equipped with manual steering, an open operator station, and 64.3 liters (17 US gal.; 14.1 Imp. gal) fuel tank.

John Deere G Specifications

General Specifications
ModelJohn Deere G
Length3,490 mm (137.4 in)
Width1,670 mm (65.7 in)
Height2,150 mm (84.6 in)
Wheel base
Weight (operating)2,400 kg (5,291 lbs)
Fuel tank capacity64.3 liters (17 US gal.; 14.1 Imp. gal)
BatteryTwo 6V
Cabin typeOpen operator station
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeAll-fuel
Displacement6.8 L, 6,759 cm2, (412.5 cu·in)
Bore and stroke156.0 mm X 178.0 mm (6.14 in X 7.01 in)
Compression ratio4.2:1
Horsepower (drawbar)20.9 PS (15.4 kW; 20.7 HP)
StarterHand-crank or electric
Oil capacity:10.4 L (11 US. qt, 9.2 Imp. qt.)
Coolant capacity:41.6 L (44 US. qt, 36.6 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeManual
Transmission modelJohn Deere
Transmission typeGear type with dry disc clutch
Gears6 forward and 1 reverse
Speed Forward: 20.1 kmh (12.5 mph) Reverse: 5.6 kmh (3.5 mph)
Front tires Ag: 24×5, 6.00-16
Rear tires Ag: 51.5×7, 12×38
PTO (Power take-off shaft)
Rear PTO typeTransmission
Rear PTO speed540 rpm
Hydraulic system
Hydraulic typeOpen center
Hydraulic capacity4.7 L (1.2 US. gal, 1 Imp. gal.)
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