John Deere G Tractor

Manufacturer John Deere
Price 10,684(USD)
Model G
Equipment Type Row-Crop Tractors
Factory Waterloo, Iowa, USA

ENGINE DETAIL

The John Deere G tractor features a robust 2-cylinder liquid-cooled engine with a displacement of 6.8L, providing an adequate power-to-weight ratio for agricultural tasks. With a low compression ratio of 4.2:1 and a rated RPM of 975, this tractor is engineered for torque delivery at low speeds, making it suitable for heavy-duty applications such as plowing or hauling. However, the hand crank starter may pose a challenge in cold weather conditions or for operators seeking more modern convenience.

Description John Deere all fuel 2-cylinder liquid-cooled
Displacement 412.5ci / 6.8L
Bore/Stroke 6.125x7.00inches / 156x 178mm
Compression 4.2:1
Rated RPM 975
Firing order 1-2
Starter type hand crank
Oil capacity 11qts / 10.4L
Coolant capacity 44qts / 41.6L

JOHN DEERE G ENGINE

The John Deere G features a robust 6.8L 2-cylinder engine that can accommodate various fuel types, enhancing versatility for diverse farming scenarios. With a main fuel tank capacity of 17 gallons (64.3L) and an auxiliary fuel tank of 1.5 gallons (5.7L), it supports extended operational periods, although the relatively small auxiliary tank may necessitate frequent refueling during longer tasks. This tractor is ideal for medium-sized farms but may face challenges in very large operations due to its fuel capacity constraints.

Description John Deere 6.8L 2-cyl all fuel
Fuel tank 17gal / 64.3L
Aux. fuel 1.5gal / 5.7L

TRANSMISSION

The John Deere G tractor features a gear transmission with 4 forward and 1 reverse gear, providing straightforward operation for various agricultural tasks. The dry disc clutch offers durability and low maintenance, though it may require more force to disengage compared to wet clutches. This setup is ideal for users needing reliability in typical fieldwork scenarios, such as plowing or tilling.

Transmission John Deere
Type gear
Gears 4 forward and 1 reverse
Clutch dry disc

JOHN DEERE G TRANSMISSION

The John Deere G tractor features a 4-speed gear transmission, which allows for versatile power management across varying terrain and tasks. This configuration enables operators to efficiently handle field operations while maintaining optimal engine performance, though it may limit speed options compared to models with more gears. Ideal for smaller farming operations or specialty crops, the 4-speed system is effective in applications requiring precise speed control.

Description 4-speed gear

MECHANICAL

The John Deere G tractor features a two-wheel drive system, which enhances maneuverability on flat terrains but may limit traction in loose or hilly conditions. Manual steering provides a direct driving experience but requires more physical effort, especially in tight turns. Ideal for small-scale farming tasks, its open operator station promotes comfort during operations but may expose the operator to environmental elements.

Description Two-wheel drive Manual steering Open operator station

POWER TAKE-OFF (PTO)

Rear PTO transmission
Rear RPM 540 (1.75)

JOHN DEERE G TIRES

The John Deere G tractor features Ag front tires sized 24x5/6.00-16, which provide excellent maneuverability and stability for narrow row crop applications. The rear tires, measuring 51.5x7 / 12x38 (13.6), offer superior traction and weight distribution, essential for pulling and tillage tasks. A potential challenge may arise in softer soils, where wider rear tires could induce soil compaction, impacting crop health and yield.

Ag front 24x5/6.00-16
Ag rear 51.5x7 / 12x38 (13.6)

DIMENSIONS & TIRES

The John Deere G tractor, weighing 5000 lbs (2268 kg), offers a robust stability for various agricultural tasks but may present challenges in maneuverability on soft ground due to its weight and larger tire sizes. The front tires (24x5) provide decent steering control, while the rear tires (51.5x7) facilitate traction and power delivery, advantageous for plowing or towing heavy implements. Overall, this configuration is suited for medium to large farms where heavy-duty tasks are commonplace, but operators should consider soil conditions to avoid compaction.

Weight 5000lbs / 2268kg
Front tire 24x5
Rear tire 51.5x7

G SERIAL NUMBERS

1939 7734 (G Unstyled)
1949 32457 (G Late Styled)
Final 22112 (GM)
1953 63138 (G Late Styled)

G SERIAL LOCATION

Description Serial number plate on the left side of the unstyled John Deere G, near the flywheel. Plate on the right side above pulley on the styled G


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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