Ford 641
Contents:
Production | |
| Manufacturer: | Ford |
| Factory: | Highland Park, Michigan, USA |
| Original price: | $3,096 (1961 ) |
| This tractor was one of the models that made the 601 Workmaster series. An orchard variant was also available, with a model number of 641-21. | |
Variants | |
| Select-O-Speed, no PTO | |
| Four-speed, no PTO or 3-point | |
| Four-speed, no PTO | |
| Four-speed | |
| Five-speed | |
| Five-speed, live PTO | |
| Select-O-Speed | |
| Select-O-Speed, dual-speed PTO |
Ford 641 Power | |
| Engine (gross): | 48.4 hp 36.1 kW |
| Belt (claimed): | 32 hp 23.9 kW |
| Plows: | 2 (14-inch) |
| Drawbar (tested): | 29.82 hp 22.2 kW |
| PTO (tested): | 31.78 hp 23.7 kW |
| Belt (tested): | 33.65 hp 25.1 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| power assist optional | |
| Brakes: | differential mechanical expanding shoe |
| Cab: | Open operator station. |
| Transmissions: | 4-speed unsynchronized gear |
| 12-speed unsynchronized gear | |
Capacity | |
| Fuel: | 13 gal 49.2 L |
| Hydraulic system: | 2 gal 7.6 L |
| Rear axle: | 8 qts 7.6 L |
Hydraulics | |
| Capacity: | 2 gal 7.6 L |
| Total flow: | 4 gpm 15.1 lpm |
Tractor hitch | |
| Rear Type: | I |
| Rear lift: | 1,250 lbs 567 kg |
Power Take-off (PTO) | |
| Rear PTO: | transmission |
| Rear RPM: | 540 |
641 Serial Numbers | |
| Location: | Transmission case, top left, behind the starter. |
| 1957: | 1001 |
| 1958: | 11977 |
| 1959: | 58312 |
| 1960: | 105943 |
| 1961: | 131427 |
| 1962: | 155531 |
Electrical | |
| Ground: | positive (6V) |
| negative (12V) | |
| Charging system: | generator |
| Charging amps: | 20 |
| Battery volts: | 6 (gas/lp) |
| 12 (diesel) | |
| Battery AH: | 80 (6V) |
| 135 (12V) | |
Engine Detail | |
| Ford EAE Red Tiger | |
| gasoline | |
| 4-cylinder 8-valve | |
| liquid-cooled vertical inline | |
| Displacement: | 134 ci 2.2 L |
| Bore/Stroke: | 3.4375x3.60 inches 87 x 91 mm |
| Emissions: | Tier 0 |
| Power (gross): | 48.4 hp 36.1 kW |
| Air cleaner: | oil bath |
| Compression: | 7.5:1 |
| Rated RPM: | 2200 |
| Torque: | 126.8 lb-ft 171.9 Nm |
| Torque RPM: | 1600 |
| Firing order: | 1-2-4-3 |
| Starter volts: | 6 |
| Coolant capacity: | 15 qts 14.2 L |
| Sparkplug: | 14MM |
| Sparkplug gap: | 0.025 inches 0.635 mm (min) |
| 0.028 inches 0.711 mm (max) | |
Dimensions | |
| Operating weight: | 3,291 lbs 1492 kg |
| Ballasted weight: | 5,523 lbs 2505 kg |
| Front tread: | 52 to 80 inches 132 to 203 cm |
| Rear tread: | 52 to 76 inches 132 to 193 cm |
