John Deere B (1939-1946)

John Deere BThe John Deere B is a 2WD row-crop tractor from the Two-Cylinder Letter Series series. The B-version was manufactured from 1938 to 1952. The second generation was manufactured by John Deere in Row-Crop tractor from 1939 to 1946. The John Deere B is equipped with a 2.9 L (175.0 cu·in) two-cylinder all-fuel engine and one of two transmissions: an unsynchronized gear transmission with 4 forward and 1 reverse gear or an unsynchronized gear transmission with 6 forward and 1 reverse gear.

The John Deere B row-crop tractor used the John Deere engine. It is a 2.9 L, 2,868 cm2, (175.0 cu·in) two-cylinder natural aspirated all-fuel engine with 114.0 mm (4.50 in) of the cylinder bore and 140.0 mm (5.50 in) of the piston stroke. The compression ratio rating is 4.71:1.

The John Deere B is equipped with manual steering, differential mechanical expanding shoe brakes, an open operator station, and 45.4 liters (12 US gal.; 10 Imp. gal) fuel tank.

John Deere B variants:

  • B – tricycle front axle
  • BR – fixed front axle
  • BO – Orchard
  • BN – narrow row-crop
  • BW – wide row-crop
  • BI – industrial tractor

John Deere B Specifications

General Specifications
ModelJohn Deere B
Length3,180 mm (125.2 in)
Width2,120 mm (83.5 in)
Height (hood)1,470 mm (57.9 in)
Wheel base2,150 mm (84.6 in)
Weight (shipping)1,315 kg (2,899 lbs)
Fuel tank capacity45.4 liters (12 US gal.; 10 Imp. gal)
Cabin typeOpen operator station
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeAll-fuel
Displacement2.9 L, 2,868 cm2, (175.0 cu·in)
Bore and stroke114.0 mm X 140.0 mm (4.50 in X 5.50 in)
Compression ratio4.71:1
StarterHand-crank or electric (optional)
Oil capacity:6.6 L (7 US. qt, 5.8 Imp. qt.)
Coolant capacity:23.7 L (25 US. qt, 20.9 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeManual
BrakesDifferential mechanical expanding shoe
Transmission modelJohn Deere
Transmission typeUnsynchronized gear with dry disc clutch
Gears4 forward and 1 reverse
Speed Forward: 8.4 kmh (5.2 mph) Reverse: 6.0 kmh (3.7 mph)
Transmission modelJohn Deere
Transmission typeUnsynchronized gear with dry disc clutch
Gears6 forward and 1 reverse
Speed Forward: 16.1 kmh (10 mph) Reverse: 4.0 kmh (2.5 mph)
Transmission oil capacity17.0 L (4.5 US. gal, 3.7 Imp. gal.)
Front tires Ag: 5.00-16, 5.50-16
Rear tires Ag: 7.50-36, 9.00-36, 8-38, 9-38, 11-38
Rear Hitch
TypePower Lift
PTO (Power take-off shaft)
Rear PTO typeTransmission
Rear PTO speed540 rpm
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

1 Comment

  1. The John Deere B is NOT metric….therefore your conversions are not correct. The English dimensions of bore and stroke are not “even” numbers in metric and “odd” numbers in English.

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