| Manufacturer | M-R-S |
| Price | - |
| Model | A-85 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Flora, Mississippi, USA |
M-R-S A-85 POWER
| Engine | 202 hp/150.6 kW |
| Drawbar (claimed) | 164 hp/122.3 kW |
ENGINE DETAIL
The M-R-S A-85 tractor is powered by a Detroit Diesel 6V-53N engine, providing robust power output of 202 hp, which is well-suited for demanding agricultural tasks. With a displacement of 5.2 L and efficient liquid cooling, this engine can maintain performance under high loads, although its weight and complexity can be a challenge for maintenance. Ideal for heavy-duty applications, the tractor’s electric starter ensures reliable ignition in diverse operating conditions, enhancing operational efficiency.
| Description | Detroit Diesel 6V-53N/diesel/6-cylinder/liquid-cooled |
| Displacement | 318.4 ci/5.2 L |
| Bore/Stroke | 3.875x4.50 inches/98 x 114 mm |
| Power | 202 hp/150.6 kW |
| Rated RPM | 2500 |
| Starter type | electric |
M-R-S A-85 ENGINE
The M-R-S A-85 tractor is equipped with a Detroit Diesel 5.2L 6-cylinder engine, known for its durability and efficient fuel consumption. Key advantages include robust torque delivery suited for heavy-duty applications, but potential challenges may arise from the complexity of diesel engine maintenance and the need for quality fuel to prevent injector issues. In agricultural scenarios, its power aligns with plowing and hauling tasks, making it ideal for medium-scale farms.
| Description | Detroit Diesel 5.2L 6-cyl diesel |
TRANSMISSION
The M-R-S A-85 tractor features a comprehensive transmission system with 20 forward and 4 reverse gears, providing enhanced versatility for various agricultural tasks. The wide range of forward gears allows for precise speed control, facilitating operations on diverse terrains, while the 4 reverse gears improve maneuverability in tight spaces. However, the complexity of the transmission may require more maintenance and operator training to maximize efficiency and prevent gear-related issues.
| Gears | 20 forward and 4 reverse |
MECHANICAL
The M-R-S A-85 tractor features a 4x4 four-wheel drive chassis, providing enhanced traction and stability in diverse terrains, which is advantageous for heavy-duty agricultural tasks. Its power four-wheel steering system allows for improved maneuverability, particularly in tight spaces, mitigating operator fatigue. The 20-speed transmission offers versatility in speed management, enabling optimal performance across varied field conditions, but may require more expertise to fully leverage its capabilities.
| Chassis | 4x4 4WD |
| Steering | power four-wheel |
| Transmission | 20-speed |
HYDRAULICS
| Pump flow | 20 gpm/75.7 lpm |
M-R-S A-85 TIRES
The M-R-S A-85 tractor features uniform Ag tire specifications with both front and rear tires sized at 23.1x26 inches, ensuring balanced traction and stability across varying terrains. This design is advantageous for agricultural applications, providing excellent load distribution and minimizing soil compaction, which promotes better crop health. However, consider potential challenges with maneuverability in tight spaces due to the larger tire size and overall tractor dimensions.
| Ag front | 23.1x26 |
| Ag rear | 23.1x26 |
DIMENSIONS
| Wheelbase | 118 inches/299 cm |
| Length | 195 inches/495 cm |
| Width | 111 inches/281 cm |
| Height (cab) | 132 inches/335 cm |
| Weight | 17300 lbs/7847 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-85 tractor features a substantial wheelbase of 118 inches, providing stability and improved traction on uneven terrain, crucial for heavy-duty agricultural tasks. Weighing 17,300 lbs, it can handle larger loads, but may present challenges in maneuverability in tight spaces. The uniform tire size (23.1x26) enhances balanced weight distribution, which can contribute to reduced soil compaction—a key factor for sustainable farming practices.
| Wheelbase | 118 inches/299 cm |
| Weight | 17300 lbs/7847 kg |
| Front tire | 23.1x26 |
| Rear tire | 23.1x26 |