The 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 | |
| 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 (4.50 in X 5.50 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 |
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.