| Manufacturer | M-R-S |
| Price | - |
| Model | A-90B |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Flora, Mississippi, USA |
ENGINE DETAIL
The M-R-S A-90B tractor is powered by a Cummins C-175 diesel engine with a substantial displacement of 7.6 liters, providing robust torque for demanding tasks. With a bore and stroke configuration of 4.44x5.00 inches, it facilitates optimal combustion efficiency at a rated RPM of 2200, catering particularly well for agricultural applications requiring high pulling power. However, considering the electric starter, maintenance of the battery system is crucial to ensure reliability in the field, especially in colder climates.
| Description | Cummins C-175/diesel/6-cylinder/liquid-cooled |
| Displacement | 464 ci/7.6 L |
| Bore/Stroke | 4.44x5.00 inches/113 x 127 mm |
| Rated RPM | 2200 |
| Starter type | electric |
M-R-S A-90B ENGINE
The M-R-S A-90B tractor is powered by a robust Cummins 7.6L 6-cylinder diesel engine, delivering high torque and fuel efficiency, making it well-suited for heavy-duty agricultural tasks and rough terrain operations. However, the engine's size may increase the tractor's overall weight, potentially impacting maneuverability in tight spaces. Regular maintenance of the diesel engine is crucial to maximize its lifespan and maintain optimal performance, especially in demanding conditions.
| Description | Cummins 7.6L 6-cyl diesel |
TRANSMISSION
The M-R-S A-90B tractor features a gearbox with 10 forward and 2 reverse gears, providing versatile speed and torque options tailored for a variety of field conditions. This configuration enhances maneuverability during operations such as plowing and transport, allowing the operator to select the optimal gear for efficiency. However, the complexity of 10 forward gears may require a learning curve, potentially impacting productivity for inexperienced users.
| Gears | 10 forward and 2 reverse |
MECHANICAL
The M-R-S A-90B tractor features a 4x4 4WD chassis and power four-wheel steering, enhancing maneuverability on rugged terrains. Its 10-speed transmission offers versatile speed options, suitable for various agricultural tasks, though the open operator station may expose operators to adverse weather conditions. This tractor is ideal for farmers requiring agility and speed across diverse landscapes, while considering the trade-off of operator comfort.
| Chassis | 4x4 4WD |
| Steering | power four-wheel |
| Cab | Open operator station. |
| Transmission | 10-speed |
M-R-S A-90B TIRES
The M-R-S A-90B tractor features 18.4x26 agricultural tires both at the front and rear, enhancing its traction and stability on various terrains. This tire configuration is suitable for moderate to heavy-duty applications, but may limit maneuverability in tight spaces due to its larger size. Operators should consider the weight distribution and potential soil compaction effects when working in sensitive agricultural environments.
| Ag front | 18.4x26 |
| Ag rear | 18.4x26 |
DIMENSIONS
| Wheelbase | 100 inches/254 cm |
| Height | 114 inches/289 cm |
| Weight | 21400 lbs/9707 kg |
| Front tread | 75 inches/190 cm |
| Rear tread | 81 inches/205 cm |
DIMENSIONS & TIRES
The M-R-S A-90B tractor features a 100-inch wheelbase, providing stability during operation, which is beneficial for tasks requiring precision, such as plowing or hauling. Weighing 21,400 lbs (9,707 kg) enhances traction, making it effective in various soil conditions, but may limit mobility in softer terrains. The uniform front and rear tire size of 18.4x26 delivers balanced load distribution, although operators should be cautious of potential tire wear when used in heavy-duty applications.
| Wheelbase | 100 inches/254 cm |
| Weight | 21400 lbs/9707 kg |
| Front tire | 18.4x26 |
| Rear tire | 18.4x26 |