The John Deere 300B is a 2WD industrial tractor manufactured by John Deere in Dubuque, Iowa, USA from 1974 to 1983.
The John Deere 300B is equipped with one of two engines: a 2.5 L (151.9 cu·in) three-cylinder gasoline engine or a 2.7 L (164.0 cu·in) three-cylinder diesel engine and a power shuttle transmission with 8 forward and 8 reverse gears.
The tractor could be equipped with the following engines:
- John Deere. It is a 2.5 L, 2,490 cm2, (151.9 cu·in) three-cylinder natural aspirated gasoline engine with 98.0 mm (3.86 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. This engine produced 43.7 PS (32.1 kW; 43 HP) at 2,500 rpm of output power.
- John Deere. It is a 2.7 L, 2,687 cm2, (164.0 cu·in) three-cylinder natural aspirated diesel 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 43.7 PS (32.1 kW; 43 HP) at 2,500 rpm of output power.
The JD 300B is equipped with power steering, hydraulic wet disc brakes, four-post ROPS and 73.8 liters (19.5 US gal.; 16.2 Imp. gal) fuel tank.
Following attachments are available for the John Deere 300B industrial tractor:
- John Deere loader
- John Deere 9250 loader
- John Deere 9250A loader
John Deere 300B Specifications
| General Specifications | |
| Model | John Deere 300B |
| Length | 4,670 mm (183.9 in) |
| Width | 2,030 mm (79.9 in) |
| Height (ROPS) | 2,300 mm (90.6 in) |
| Wheel base | 1,950 mm (76.8 in) |
| Weight |
Loader-tractor: 3,379 kg (7,449 lbs) Backhoe-tractor: 4,830 kg (10,648 lbs) |
| Fuel tank capacity | 73.8 liters (19.5 US gal.; 16.2 Imp. gal) |
| Battery | – |
| Cabin type | Four-post ROPS |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Gasoline |
| Displacement | 2.5 L, 2,490 cm2, (151.9 cu·in) |
| Bore and stroke | 98.0 mm X 110.0 mm (3.86 in X 4.33 in) |
| Horsepower | 43.7 PS (32.1 kW; 43 HP) at 2,500 rpm |
| Torque | 149.0 N·m (15.2 kg·m, 109.8 ft·lb) at 1,300 rpm |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 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 | 3 |
| Fuel type | Diesel |
| Displacement | 2.7 L, 2,687 cm2, (164.0 cu·in) |
| Bore and stroke | 102.0 mm X 110.0 mm (4.02 in X 4.33 in) |
| Horsepower | 43.7 PS (32.1 kW; 43 HP) at 2,500 rpm |
| Torque | 149.0 N·m (15.2 kg·m, 109.8 ft·lb) at 1,300 rpm |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 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 |
| Transmission model | – |
| Transmission type | Power shuttle |
| Gears | 8 forward and 8 reverse |
| Speed | Forward: 25.4 kmh (15.8 mph) Reverse: 29.4 kmh (18.3 mph) |
| Tires | |
| Front tires | Ag: 11L-15, 7.50/8.00-16 |
| Rear tires | Ag: 14.9-24, 17.5L-24 |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Pressure | 2350 psi (162 bar) |
| Pump flow | 28.0 gpm (106 lpm) |