The Caterpillar 420D is a 2WD or 4WD backhoe loader tractor manufactured by Caterpillar from 2000 to 2006. The Caterpillar 420D is equipped with a 4.4 L (268.0 cu·in) four-cylinder diesel engine and one of two transmissions: a power shuttle transmission with 4 forward and 4 reverse gears or an auto-shift transmission with 5 forward and 3 reverse gears.
The Caterpillar 420D backhoe loader tractor used the Cat 3054 engine. It is a 4.4 L, 4,392 cm2, (268.0 cu·in) four-cylinder diesel engine with 105.0 mm (4.13 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. This engine produced 90 PS (66 kW; 88.5 HP) at 2,200 rpm of net output power and 381 N·m (38.9 kg·m, 280.8 ft·lb) at 1,400 rpm of torque.
The Caterpillar 420D is equipped with hydrostatic power steering, wet disc brakes, four-post ROPS/FOPS, or cab with available air-conditioning (optional) and 128.7 liters (34 US gal.; 28.3 Imp. gal) fuel tank.
Caterpillar 420D Specifications
| General Specifications | |
| Model | Caterpillar 420D |
| Length | 6,970 mm (274.4 in) |
| Width | 2,350 mm (92.5 in) |
| Height (cab) | 2,770 mm (109.1 in) |
| Wheel base | 2,100 mm (82.7 in) |
| Ground clearance | 290 mm (11.4 in) |
| Weight (operating) | 7,150 kg (15,763 lbs) |
| Fuel tank capacity | 128.7 liters (34 US gal.; 28.3 Imp. gal) |
| Battery | 12V, CCA 700A |
| Cabin type | Four-post ROPS/FOPS or Cab with available air-conditioning (optional ) |
| Engine | |
| Engine model | Cat 3054 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 4.4 L, 4,392 cm2, (268.0 cu·in) |
| Bore and stroke | 105.0 mm X 127.0 mm (4.13 in X 5 in) |
| Horsepower | 89.8 PS (66 kW; 88.5 HP) at 2,200 rpm |
| Torque | 381 N·m (38.9 kg·m, 280.8 ft·lb) at 1,400 rpm |
| Starter | Electric |
| Oil capacity: | 7.6 L (8 US. qt, 6.7 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Wet disc |
| Transmission model | – |
| Transmission type | Power shuttle |
| Gears | 4 forward and 4 reverse |
| Speed | Forward: 32.8 kmh (20.4 mph) Reverse: 32.8 (20.4 mph) |
| Transmission oil capacity | 18.2 L (4.8 US. gal, 4 Imp. gal.) |
| Transmission model | – |
| Transmission type | Auto-Shift |
| Gears | 5 forward and 3 reverse |
| Speed | Forward: 32.2 kmh (20 mph) Reverse: 23.3 (14.5 mph) |
| Transmission oil capacity | 15.1 L (4 US. gal, 3.3 Imp. gal.) |
| Tires | |
| Front tires | Industrial: 11Lx16 (2WD), 12.5/80×18 (4WD) |
| Rear tires | Industrial: 19.5×24 |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 79.0 liters (20.9 US gal, 17.4 Imp. gal) |
| Pressure | 3,300 psi (227.5 bar) |
| Pump flow | 43.0 gpm (162.8 lpm) |
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