M-R-S A-85
The M-R-S A-85 is a four-wheel drive (4WD) tractor produced by M-R-S from 1977 to 1980. Built in Flora, Mississippi, USA, it features a Detroit Diesel 5.2L 6-cylinder liquid-cooled engine delivering 202 hp (150.6 kW) with a 20-speed transmission. The tractor has a wheelbase of 118 inches (299 cm), weighs 17300 lbs (7847 kg), and uses 23.1x26 tires front and rear. It includes power four-wheel steering and a hydraulic pump flow of 20 gpm (75.7 lpm).
Power202 hp
Founded1977 - 1980
ModelA-85
Technical Specifications
Detailed specifications and technical data for M-R-S A-85
Power
| Engine | 202 hp (150.6 kW) |
|---|---|
| Drawbar (claimed) | 164 hp (122.3 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Detroit Diesel 6V-53N |
| Power | 202 hp (150.6 kW) |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Rated RPM | 2500 |
| Bore/Stroke | 3.875x4.50 inches (98 x 114 mm) |
| Displacement | 318.4 ci (5.2 L) |
| Starter type | electric |
Hydraulics
| Pump flow | 20 gpm (75.7 lpm) |
|---|
Mechanical
| Drive | 4x4 4WD |
|---|
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Built in | Flora, Mississippi, USA |
| Years produced | 1977 - 1980 |
Transmission
| Gears | 20 forward and 4 reverse |
|---|
Dimensions & Tires
| Width | 111 inches (281 cm) |
|---|---|
| Length | 195 inches (495 cm) |
| Weight | 17300 lbs (7847 kg) |
| Rear tire | 23.1x26 |
| Wheelbase | 118 inches (299 cm) |
| Front tire | 23.1x26 |
| Rear tread | 80 inches (203 cm) |
| Front tread | 80 inches (203 cm) |
| Height (cab) | 132 inches (335 cm) |
| Ground clearance | 14 inches (35 cm) |
