The Fiat 640 is a 2WD (640) or 4WD (640DT) utility tractor from the series. This tractor was manufactured by Fiat in Moderna, Italy from 1973 to 1978. The Fiat 640 is equipped with a 3.5 L (211.0 cu·in) four-cylinder diesel engine and a gear type transmission with 8 forward and 2 reverse gears.
The Fiat 640 utility tractor used the Fiat 8045-02 engine. It is a 3.5 L, 3,458 cm2, (211.0 cu·in) four-cylinder natural aspirated diesel engine with 100.0 mm (3.94 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 64.9 PS (47.7 kW; 64 HP) at 2,400 rpm of output power and 212.1 N·m (21.6 kg·m, 156.3 ft·lb) at 1,600 rpm of peak toque.
The Fiat 640 is equipped with manual steering, four-post ROPS, and 54.1 liters (14.3 US gal.; 11.9 Imp. gal) fuel tank.
Fiat 640 Specifications
| General Specifications | |
| Model | Fiat 640 |
| Length |
2WD: 3,170 mm (124.8 in) 4WD: 3,360 mm (132.3 in) |
| Width | – |
| Height (ROPS) | 2,680 mm (105.5 in) |
| Wheel base |
2WD: 2,070 mm (81.5 in) 4WD: 2,130 mm (83.9 in) |
| Weight |
2WD: 2,250 kg (4,960 lbs) 4WD: 2,800 kg (6,173 lbs) |
| Fuel tank capacity | 54.1 liters (14.3 US gal.; 11.9 Imp. gal) |
| Battery | |
| Cabin type | Four-post ROPS |
| Engine | |
| Engine model | Fiat 8045-02 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 3.5 L, 3,458 cm2, (211.0 cu·in) |
| Bore and stroke | 100.0 mm X 110.0 mm (3.94 in X 4.33 in) |
| Compression ratio | 17.0:1 |
| Horsepower | 64.9 PS (47.7 kW; 64 HP) at 2,400 rpm |
| Torque | 212.1 N·m (21.6 kg·m, 156.3 ft·lb) at 1,600 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD (640) or 4×4 MFWD 4WD (640 DT) |
| Steering type | Manual |
| Brakes | – |
| Transmission model | – |
| Transmission type | Gear type |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 26.0 kmh (16.2 mph) Reverse: 13.0 kmh (8.1 mph) |
| Tires | |
| Front tires | Ag: 7.50-16 (2WD), 9.5×24 (4WD) |
| Rear tires | Ag: 14-30 (2WD), 16.9-30 (4WD) |
| Three-Point Hitch | |
| Category | II/I |
| Control type | – |
| Lift capacity (at ends) | 1,850 kg (4,080 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | – |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Pump flow | 5.8 gpm (22.0 lpm) |
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