The John Deere 401B is a 2WD industrial tractor manufactured by John Deere in Dubuque, Iowa, USA from 1974 to 1982.
The JD 401B used one of two engines: a 3.6 L (219.0 cu·in) four-cylinder diesel engine or a 3.6 L (219.0 cu·in) four-cylinder gasoline engine and one of two transmissions.
The John Deere 401B is equipped with power steering, hydraulic wet disc brakes, open operator station or ROPS and 73.8 liters (19.5 US gal.; 16.2 Imp. gal) fuel tank.
The tractor could be equipped with the following engines:
- John Deere. It is a 3.6 L, 3,589 cm2, (219.0 cu·in) four-cylinder natural aspirated diesel engine with 102.0 mm (4.02 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. This engine produced 66.9 PS (49.2 kW; 66.0 HP) at 2,500 rpm of output power.
- John Deere. It is a 3.6 L, 3,589 cm2, (219.0 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 102.0 mm (4.02 in) and the piston stroke is 110.0 mm (4.33 in). This engine produced 42.6 PS (31.3 kW; 42.0 HP) at 2,500 rpm of output power.
John Deere 401B Specifications
| General Specifications | |
| Model | John Deere 401B |
| Length | 4,850 mm (190.9 in) |
| Width | 1,900 mm (74.8 in) |
| Height (ROPS) | 2,180 mm (85.8 in) |
| Wheel base | 2,010 mm (79.1 in) |
| Ground clearance | 270 mm (10.6 in) |
| Weight | 2,019 kg (4,451 lbs) Loader: 2,848 kg (6,279 lbs) |
| Fuel tank capacity | 73.8 liters (19.5 US gal.; 16.2 Imp. gal) |
| Battery | – |
| Cabin type | Open operator station or ROPS |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 3.6 L, 3,589 cm2, (219.0 cu·in) |
| Bore and stroke | 102.0 mm X 110.0 mm (4.02 in X 4.33 in) |
| Horsepower | 66.9 PS (49.2 kW; 66.0 HP) at 2,500 rpm |
| Torque | 217.0 N·m (22.1 kg·m, 159.9 ft·lb) at 1,300 rpm |
| Starter | Electric |
| Oil capacity: | 5.7 L (6 US. qt, 5 Imp. qt.) |
| Coolant capacity: | 11.4 L (12 US. qt, 10 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 3.6 L, 3,589 cm2, (219.0 cu·in) |
| Bore and stroke | 102.0 mm X 110.0 mm (4.02 in X 4.33 in) |
| Horsepower | 42.6 PS (31.3 kW; 42.0 HP) at 2,500 rpm |
| Starter | Electric |
| Oil capacity: | 5.7 L (6 US. qt, 5 Imp. qt.) |
| Coolant capacity: | 11.4 L (12 US. qt, 10 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Power |
| Brakes | Hydraulic wet disc |
| Final drive | Inboard planetary |
| Differential lock | Rear standard |
| Transmission model | – |
| Transmission type | – |
| Gears | 8 forward and 4 reverse |
| Transmission model | |
| Transmission type | Power shuttle with hydraulic wet disc clutch |
| Gears | 8 forward and 8 reverse |
| Speed | Forward: 25.3 kmh (15.7 mph) Reverse: 30.1 kmh (18.7 mph) |
| Tires | |
| Front tires | Industrial: 11L-15, 7.50/8.00-16 |
| Rear tires | Industrial: 14.9-24, 17.5L-24 |
| Three-Point Hitch | |
| Category | Optional |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | Optional |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 37.9 L (10 US. gal, 8.3 Imp. gal.) |
| Pressure | 2350 psi (162 bar) |
| Total flow | 13.0 gpm (49.2 lpm) |
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