The Ford 641 is a 2WD utility tractor from the 601 Workmaster series. This tractor was manufactured by Ford in Highland Park, Michigan, USA from 1957 to 1962.
The Ford 641 is equipped with one of two engines: a 2.2 L (134.0 cu·in) four-cylinder gasoline/LP-gas engine or a 2.4 L (144.0 cu·in) four-cylinder diesel engine and one of two transmissions: an unsynchronized gear type transmission with 4 forward and 1 reverse gear or an unsynchronized gear type transmission with 12 forward and 3 reverse gears and dry disc clutch.
The tractor could be equipped with the following engines:
- Ford EAE Red Tiger. It is a 2.2 L, 2,196 cm2, (134.0 cu·in) four-cylinder natural aspirated gasoline/LP-gas engine with 87.0 mm (3.43 in) of the cylinder bore and 91.0 mm (3.58 in) of the piston stroke. The compression ratio rating is 7.5:1. This engine produced 49.1 PS (36.1 kW; 48.4 HP) at 2,200 rpm of output power.
- Ford. It is a 2.4 L, 2,360 cm2, (144.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 90.0 mm (3.54 in) and the piston stroke is 91.0 mm (3.58 in). The compression ratio rating is 16.8:1. This engine produced 43.2 PS (31.8 kW; 42.6 HP) at 2,200 rpm of output power.
The Ford 641 is equipped with manual or power assist (option) steering, differential mechanical expanding shoe brakes, open operator station, and 49.2 liters (13 US gal.; 10.8 Imp. gal) fuel tank.
Ford 601 Workmaster series tractor variants:
- 611 Select-O-Speed, no PTO
- 621 Four-speed, no PTO or 3-point
- 631 Four-speed, no PTO
- 641 Four-speed
- 651 Five-speed
- 661 Five-speed, live PTO
- 671 Select-O-Speed
- 681 Select-O-Speed, dual-speed PTO
Ford 641 Specifications
| General Specifications | |
| Model | Ford 641 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | – |
| Weight (operating) | 1,490 kg (3,285 lbs) |
| Fuel tank capacity | 49.2 liters (13 US gal.; 10.8 Imp. gal) |
| Battery | Gas: 12V, 80Ah, Diesel: 12V, 135Ah |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Ford EAE Red Tiger |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline/LP-gas |
| Displacement | 2.2 L, 2,196 cm2, (134.0 cu·in) |
| Bore and stroke | 87.0 mm X 91.0 mm (3.43 in X 3.58 in) |
| Compression ratio | 7.5:1 |
| Horsepower | 49.1 PS (36.1 kW; 48.4 HP) at 2,200 rpm |
| Torque | 171.9 N·m (17.5 kg·m, 126.7 ft·lb) at 1,600 rpm |
| Starter | Electric |
| Oil capacity: | 4.7 L (5 US. qt, 4.1 Imp. qt.) |
| Coolant capacity: | 14.2 L (15 US. qt, 12.5 Imp. qt.) |
| Engine | |
| Engine model | Ford |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 2.4 L, 2,360 cm2, (144.0 cu·in) |
| Bore and stroke | 90.0 mm X 91.0 mm (3.54 in X 3.58 in) |
| Compression ratio | 16.8:1 |
| Horsepower | 43.2 PS (31.8 kW; 42.6 HP) at 2,200 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual or power assist (option) |
| Brakes | Differential mechanical expanding shoe |
| Transmission model | |
| Transmission type | Unsynchronized gear |
| Gears | 4 forward and 1 reverse |
| Transmission oil capacity | 5.7 L (1.5 US. gal, 1.3 Imp. gal.) |
| Transmission model | – |
| Transmission type | Unsynchronized gear with dry disc clutch |
| Gears | 12 forward and 3 reverse |
| Speed | Forward: 25.8 kmh (16 mph) Reverse: 9.7 (6 mph) |
| Tires | |
| Front tires | Ag: 5.50-16 |
| Rear tires | Ag: 11-28 |
| Three-Point Hitch | |
| Category | I |
| Control type | – |
| Lift capacity (at ends) | 567 kg (1,250 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Transmission |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Hydraulic capacity | 7.6 L (2 US. gal, 1.7 Imp. gal.) |
| Total flow | 4.0 gpm (15.1 lpm) |
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