The John Deere B is a 2WD row-crop tractor from the Two-Cylinder Letter Series series. The B-model was manufactured from 1938 to 1952. The thrid generation was manufactured by Row-Crop tractor in Waterloo, Iowa, USA from 1947 to 1952.
The John Deere B is equipped with one of two engines: a 3.1 L (190.4 cu·in) two-cylinder gasoline engine or a 3.1 L (190.4 cu·in) two-cylinder all-fuel engine and a unsynchronized gear transmission with 6 forward and 1 reverse gears.
The tractor could be equipped with the following engines:
- John Deere. It is a 3.1 L, 3,120 cm2, (190.4 cu·in) two-cylinder natural aspirated gasoline engine with 119.0 mm (4.69 in) of the cylinder bore and 140.0 mm (5.51 in) of the piston stroke. The compression ratio rating is 5.87:1.
- John Deere. It is a 3.1 L, 3,120 cm2, (190.4 cu·in) two-cylinder natural aspirated all-fuel engine. The cylinder bore is 119.0 mm (4.69 in) and the piston stroke is 140.0 mm (5.51 in). 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 Specifications
| General Specifications | |
| Model | John Deere B |
| Length | 3,400 mm (133.9 in) |
| Width | 2,200 mm (86.6 in) |
| Height | 1,510 mm (59.4 in) |
| Wheel base | – |
| Weight (operating) | 1,950 kg (4,299 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 | Gasoline |
| Displacement | 3.1 L, 3,120 cm2, (190.4 cu·in) |
| Bore and stroke | 119.0 mm X 140.0 mm (4.69 in X 5.51 in) |
| Compression ratio | 5.87:1 |
| Horsepower | 0 PS ( kW; 0 HP) at rpm |
| Starter | Electric |
| Coolant capacity: | 34.1 L (36 US. qt, 30 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 2 |
| Fuel type | All-fuel |
| Displacement | 3.1 L, 3,120 cm2, (190.4 cu·in) |
| Bore and stroke | 119.0 mm X 140.0 mm (4.69 in X 5.51 in) |
| Compression ratio | 4.71:1 |
| Horsepower | 0 PS ( kW; 0 HP) at rpm |
| Starter | Electric |
| Coolant capacity: | 34.1 L (36 US. qt, 30 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 |
| 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: 5.50×16 |
| Rear tires | Ag: 10.00×38 |
| Hitch | |
| Type | Power Lift |
| PTO (Power take-off shaft) | |
| Rear PTO type | Transmission |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Powr-Trol |
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