| Manufacturer | M-R-S |
| Price | - |
| Model | A-80 |
| Equipment Type | - |
| Factory | Flora, Mississippi, USA |
M-R-S A-80 POWER
| Engine | 134 hp/99.9 kW |
| Drawbar (claimed) | 115 hp/85.8 kW |
ENGINE DETAIL
The M-R-S A-80 tractor features a Detroit Diesel 4-71 engine, known for its robust 134 hp output at 2000 RPM and solid torque characteristics, making it suitable for heavy-duty applications. The 283.7 ci (4.6 L) displacement and 4-cylinder configuration provide a balanced power-to-weight ratio, offering advantages in both fuel efficiency and maneuverability in varied terrains. However, the engine’s complexity and weight may present challenges in maintenance and transportability, particularly in tight agricultural environments.
| Description | Detroit Diesel 4-71/diesel/4-cylinder/liquid-cooled |
| Displacement | 283.7 ci/4.6 L |
| Bore/Stroke | 4.25x5.00 inches/108 x 127 mm |
| Power | 134 hp/99.9 kW |
| Rated RPM | 2000 |
| Starter type | electric |
M-R-S A-80 ENGINE
The M-R-S A-80 tractor is powered by a Detroit Diesel 4.6L 4-cylinder engine, providing robust torque and fuel efficiency, making it suitable for heavy-duty applications. Its compact size allows for versatility in various agricultural tasks, but potential challenges include limited horsepower compared to larger tractors, which may affect performance in demanding conditions. Ensure adequate maintenance of the diesel engine to optimize longevity and reliability, especially under continuous heavy load scenarios.
| Description | Detroit Diesel 4.6L 4-cyl diesel |
TRANSMISSION
The M-R-S A-80 tractor features a 10-forward and 2-reverse gear transmission, providing versatility in various field operations. The extensive forward gear range allows for optimized speed control in diverse terrains, enhancing productivity during tasks such as tilling and plowing. However, the limited reverse gear ratio may present challenges in maneuvering in tight spaces, necessitating careful planning during operation.
| Gears | 10 forward and 2 reverse |
MECHANICAL
The M-R-S A-80 tractor features a 4x4 drivetrain, providing enhanced traction and stability, making it well-suited for rugged terrain and various agricultural applications. Its 10-speed transmission allows for precise speed control, improving efficiency during varying task demands. However, the open operator station may expose the driver to environmental elements, which could be a disadvantage in adverse weather conditions.
| Chassis | 4x4 4WD |
| Steering | power four-wheel |
| Cab | Open operator station. |
| Transmission | 10-speed |
M-R-S A-80 TIRES
The M-R-S A-80 tractor features uniform 16.9x30 agricultural tires on both the front and rear, providing balanced traction and stability across varied terrains. This design is advantageous for equal weight distribution, enhancing field performance and minimizing soil compaction. However, the limited tire size may restrict its capability on extremely rugged terrain; therefore, it's best suited for moderate to heavy tillage and row crop applications.
| Ag front | 16.9x30 |
| Ag rear | 16.9x30 |
DIMENSIONS
| Wheelbase | 100 inches/254 cm |
| Length | 195 inches/495 cm |
| Width | 111 inches/281 cm |
| Height (cab) | 132 inches/335 cm |
| Weight | 15800 lbs/7166 kg |
| Ground clearance | 14 inches/35 cm |
| Front tread | 80 inches/203 cm |
| Rear tread | 80 inches/203 cm |
DIMENSIONS & TIRES
The M-R-S A-80 tractor has a 100-inch wheelbase and a substantial weight of 15,800 lbs, providing stability and improved traction in various soil conditions. Its uniform tire size of 16.9x30 front and rear ensures consistent handling and weight distribution, which is beneficial for tasks like plowing or towing heavy implements. However, the larger tires may increase soil compaction, necessitating careful management in sensitive environments.
| Wheelbase | 100 inches/254 cm |
| Weight | 15800 lbs/7166 kg |
| Front tire | 16.9x30 |
| Rear tire | 16.9x30 |