M-R-S
M-R-S A-80
The M-R-S A-80 is a four-wheel drive (4WD) tractor produced by M-R-S from 1964 to 1967. Built in Flora, Mississippi, USA, it features a Detroit Diesel 4.6L 4-cylinder liquid-cooled diesel engine delivering 134 hp (99.9 kW). The tractor has a 10-speed transmission with 10 forward and 2 reverse gears, power four-wheel steering, and an open operator station. Its dimensions include a 100-inch wheelbase, 195-inch length, and 111-inch width, with a weight of 15,800 lbs (7,166 kg). The A-80 is equipped with 16.9x30 tires front and rear and has a ground clearance of 14 inches.
Power134 hp
Founded1964 - 1967
ModelA-80
Technical Specifications
Detailed specifications and technical data for M-R-S A-80
Power
| Engine power | 134 hp (99.9 kW) |
|---|---|
| Drawbar (claimed) | 115 hp (85.8 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Detroit Diesel 4-71 |
| Power | 134 hp (99.9 kW) |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 2000 |
| Bore/Stroke | 4.25x5.00 inches (108 x 127 mm) |
| Displacement | 283.7 ci (4.6 L) |
| Starter type | electric |
Mechanical
| Drive | 4x4 4WD |
|---|---|
| Steering | Power four-wheel steering |
| Operator station | Open operator station |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Built in | Flora, Mississippi, USA |
| Manufacturer | M-R-S |
| Years produced | 1964 - 1967 |
Transmission
| Type | 10-speed |
|---|---|
| Gears | 10 forward and 2 reverse |
Dimensions & Tires
| Width | 111 inches (281 cm) |
|---|---|
| Length | 195 inches (495 cm) |
| Weight | 15800 lbs (7166 kg) |
| Rear tire | 16.9x30 |
| Wheelbase | 100 inches (254 cm) |
| Front tire | 16.9x30 |
| Rear tread | 80 inches (203 cm) |
| Front tread | 80 inches (203 cm) |
| Height (cab) | 132 inches (335 cm) |
| Ground clearance | 14 inches (35 cm) |