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| info | |
| 1967 - 1980, Four-wheel Drive (4WD) tractor |
| Production | |
| Manufacturer: | M-R-S |
| Factory: | Flora, Mississippi, USA |
| Dimensions & Tires | |
| Wheelbase: | 118 inches [299 cm] |
| Front tire: | 18.4-26 |
| Rear tire: | 18.4-26 |
| M-R-S A-80B Power | |
| Engine: | 141 hp [105.1 kW] |
| Drawbar (claimed): | 123 hp [91.7 kW] |
| Mechanical | |
| Chassis: | 4x4 4WD |
| Steering: | power four-wheel |
| Cab: | Open operator station. Cab optional with available air-conditioning.. |
| Hydraulics | |
| Pump flow: | 20 gpm [75.7 lpm] |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.25x5.00 inches [108 x 127 mm] |
| Power: | 141 hp [105.1 kW] |
| Rated RPM: | 2100 |
| Torque: | 366 lb-ft [496.3 Nm] |
| Torque RPM: | 1600 |
| Starter type: | electric |
| Oil capacity: | 15 qts [14.2 L] |
| Coolant capacity: | 42 qts [39.7 L] |
| Engine Detail | |
| Detroit Diesel 4-71, diesel, 4-cylinder, liquid-cooled, 283.7 ci [4.6 L] |
| Transmission | |
| Gears: | 20 forward and 4 reverse |
| Clutch: | 381mm dry disc |
| Dimensions | |
| Weight (max capacity): | 17000 lbs [7711 kg] |
| Wheelbase: | 118 inches [299 cm] |
| Length: | 195 inches [495 cm] |
| Width: | 111 inches [281 cm] |
| Height: | 117 inches [297 cm] |
| Ground clearance: | 14 inches [35 cm] |
| Front tread: | 80 inches [203 cm] |
| Rear tread: | 80 inches [203 cm] |
| M-R-S A-80B Tires | |
| Ag front: | 18.00-26, 23.1-26 |
| Ag rear: | 18.00-26, 23.1-26 |