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| info | |
| 1983 - 1985, Agricultural Crawler tractor |
| Production | |
| Manufacturer: | UTB/Universal |
| Factory: | Brasov, Romania |
| Variants | |
| S640: | standard |
| SM640: | wide-track |
| U640: | wheeled tractor |
| Capacity | |
| Fuel: | 14.3 gal [54.1 L] |
| 3-Point Hitch | |
| Rear Type: | II/I |
| Rear lift: | 2860 lbs [1297 kg] |
| Power Take-off (PTO) | |
| Rear RPM: | 540 |
| Engine RPM: | 540@1970 |
| Dimensions & Tires | |
| Wheelbase: | 60.2 inches [152 cm] |
| Weight: | 6700 lbs [3039 kg] |
| Front tire: | tracks |
| Rear tire: | tracks |
| S640 Serial Numbers | |
| - Serial numbers unknown - |
| UTB/Universal S640 Power | |
| Engine: | 65 hp [48.5 kW] |
| PTO (claimed): | 62 hp [46.2 kW] |
| Mechanical | |
| Chassis: | crawler |
| Brakes: | band |
| Cab: | Open operator station. |
| Hydraulics | |
| Type: | open center |
| Pressure: | 2475 psi [170.7 bar] |
| Pump flow: | 5.8 gpm [22.0 lpm] |
| Electrical | |
| Charging system: | alternator |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.02x4.33 inches [102 x 110 mm] |
| Power: | 65 hp [48.5 kW] |
| Fuel system: | direct injection |
| Compression: | 17:1 |
| Rated RPM: | 2400 |
| Torque: | 163 lb-ft [221.0 Nm] |
| Torque RPM: | 1400 |
| Starter: | electric |
| Starter volts: | 12 |
| Starter power: | 4 hp [3.0 kW] |
| Engine Detail | |
| UTB, diesel, 4-cylinder, liquid-cooled, 219.4 ci [3.6 L] |
| Transmission | |
| Type: | constant mesh |
| Gears: | 6 forward and 2 reverse |
| Clutch: | 254mm dry discs |
| Dimensions | |
| Weight: | 6700 lbs [3039 kg] |
| Wheelbase: | 60.2 inches [152 cm] |
| Length: | 124 inches [314 cm] |
| UTB/Universal S640 Tires | |
| Ag front: | 310mm track (S640), 360mm track (SM640) |
| Ag rear: | 310mm track (S640), 360mm track (SM640) |