The John Deere 300D is a 2WD/4WD backhoe loader tractor manufactured by John Deere in from 1991 to 2001. The John Deere 300D is equipped with a 3.9 L four-cylinder diesel engine and helical gear transmission with 4 forward and 4 reverse gears.
The John Deere 300D backhoe loader tractor used the John Deere 4039D engine. It is a 3.9 L, 3,917 cm2, (239.0 cu·in) four-cylinder natural aspirated diesel engine with 106.5 mm (4.19 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. This engine produced 60.8 PS (44.7 kW; 60.0 HP) at 2,200 rpm of net output power and 233 N·m (23.8 kg·m, 171.7 ft·lb) of torque.
The John Deere 300D is equipped with hydrostatic power steering, differential hydraulic wet disc brakes and 106.0 liters (28 US gal.; 23.3 Imp. gal) fuel tank.
John Deere 300D Specifications
| General Specifications | |
| Model | John Deere 300D |
| Length | 6,860 mm (270.1 in) |
| Width | 2,320 mm (91.3 in) |
| Height | 2,680 mm (105.5 in) |
| Wheel base | 2,100 mm (82.7 in) |
| Weight | 5,535 kg (12,202 lbs) |
| Fuel tank capacity | 106.0 liters (28.0 US gal.; 23.3 Imp. gal) |
| Battery | 12V, 95Ah |
| Cabin type | Cab (standard) |
| Engine | |
| Engine model | John Deere 4039D |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 3.9 L, 3,917 cm2, (239.0 cu·in) |
| Bore and stroke | 106.5 mm X 110.0 mm (4.19 in X 4.33 in) |
| Horsepower | 60.8 PS (44.7 kW; 60.0 HP) at 2,200 rpm |
| Torque | 233 N·m (23.8 kg·m, 171.7 ft·lb) |
| Starter | Electric |
| Oil type | API: CE or CD, SAE: 5W-30, 10W-30 |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Coolant capacity: | 16.1 L (17 US. qt, 14.2 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Differential hydraulic wet disc |
| Transmission model | |
| Transmission type | Helical gear, synchronized collar shift with hydraulic reverser |
| Gears | 4 forward and 4 reverse |
| Speed | Forward: 32.3 kmh (20.1 mph) Reverse: 28.9 (18 mph) |
| Transmission oil capacity | 7.20 L (1.9 US. gal, 1.6 Imp. gal.) |
| Tires | |
| Front tires | Ind: 11L-15 (2WD), 12-16.5 (4WD) |
| Rear tires | Ind: 16.9-24 (2WD), 17.5L-24 (4WD) |
| Hydraulic system | |
| Hydraulic type | – |
| Pressure | 2,700 psi (186 bar) |
| Valves | 60.6 |
| Pump flow | 24.0 gpm (90.8 lpm) |
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