M-R-S
M-R-S A-90
The M-R-S A-90 is a four-wheel drive (4WD) tractor produced by M-R-S in Flora, Mississippi, USA from 1962 to 1963. It features a Cummins 6.6L 6-cylinder liquid-cooled diesel engine producing 123 hp (91.7 kW) with a 10-speed transmission (10 forward and 2 reverse gears). The tractor has a wheelbase of 100 inches (254 cm), weighs 24000 lbs (10886 kg), and uses 18.4x26 tires on both front and rear. It includes power four-wheel steering and an open operator station.
Power123 hp
Founded1962 - 1963
ModelA-90
Technical Specifications
Detailed specifications and technical data for M-R-S A-90
Power
| Engine | 123 hp (91.7 kW) |
|---|---|
| Drawbar (claimed) | 90 hp (67.1 kW) |
Tires
| Rear tire | 18.4x26 |
|---|---|
| Front tire | 18.4x26 |
Engine
| Type | diesel |
|---|---|
| Model | Cummins JN-130-CI |
| Power | 123 hp (91.7 kW) |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Rated RPM | 2200 |
| Bore/Stroke | 4.125x5.00 inches (105 x 127 mm) |
| Displacement | 401 ci (6.6 L) |
| Starter type | electric |
Dimensions
| Height | 114 inches (289 cm) |
|---|---|
| Weight | 24000 lbs (10886 kg) |
| Wheelbase | 100 inches (254 cm) |
| Rear tread | 75 inches (190 cm) |
| Front tread | 75 inches (190 cm) |
| Ground clearance | 16 inches (40 cm) |
Mechanical
| Drive | 4x4 4WD |
|---|---|
| Operator station | Open operator station |
| Power four-wheel steering | Yes |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Built in | Flora, Mississippi, USA |
| Manufacturer | M-R-S |
| Years produced | 1962 - 1963 |
Transmission
| Gears | 10 forward and 2 reverse |
|---|