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 (4.49 in) of the cylinder bore and 140.0 mm (5.51 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
Model John Deere B
Length 3,180 mm (125.2 in)
Width 2,120 mm (83.5 in)
Height (hood) 1,470 mm (57.9 in)
Wheel base 2,150 mm (84.6 in)
Weight (shipping) 1,315 kg (2,899 lbs)
Fuel tank capacity 45.4 liters (12 US gal.; 10 Imp. gal)
Battery 6V
Cabin type Open operator station
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 2
Fuel type All-fuel
Displacement 2.9 L, 2,868 cm2, (175.0 cu·in)
Bore and stroke 114.0 mm X 140.0 mm (4.49 in X 5.51 in)
Compression ratio 4.71:1
Horsepower
Starter Hand-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
Chassis 4×2 2WD
Steering type Manual
Brakes Differential mechanical expanding shoe
Transmission model John Deere
Transmission type Unsynchronized gear with dry disc clutch
Gears 4 forward and 1 reverse
Speed Forward: 8.4 kmh (5.2 mph) Reverse: 6.0 kmh (3.7 mph)
Transmission model John Deere
Transmission type Unsynchronized gear with dry disc clutch
Gears 6 forward and 1 reverse
Speed Forward: 16.1 kmh (10 mph) Reverse: 4.0 kmh (2.5 mph)
Transmission oil capacity 17.0 L (4.5 US. gal, 3.7 Imp. gal.)
Tires
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
Type Power Lift
PTO (Power take-off shaft)
Rear PTO type Transmission
Rear PTO speed 540 rpm