M-R-S A-80B - Horsepower, Weight, Specs, Problems, Price & More

The M-R-S A-80B tractor is powered by a Detroit Diesel 4.6L 4-cyl diesel engine that provides 141 hp/105.1 kW of horsepower and 366 lb-ft/496.3 Nm torque. It has a 4x4 4WD drive configuration and a 20-speed transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is not specified in the data provided. However, based on the model's power output of 141 hp/105.1 kW, it can be inferred that the engine is likely a diesel engine with a displacement of around 4.6 L. The engine is liquid-cooled and has a 4-cylinder configuration. It has a torque output of 366 lb-ft/496.3 Nm and a torque RPM of 1600. The engine has an electric starter and an oil capacity of 15 qts/14.2 L.

Transmission

The transmission has 20 forward gears and 4 reverse gears. It has a dry disc clutch with a diameter of 381mm. The engine output is 141 hp/105.1 kW and the drawbar output is 123 hp/91.7 kW. The transmission is not specified in detail in the data provided, but it can be inferred that it is a manual transmission. The transmission is designed to work with the engine to provide the necessary power to the wheels.

Brakes

The brakes are not specified in the data provided. However, based on the model's power output of 141 hp/105.1 kW, it can be inferred that the brakes are likely hydraulic disc brakes. The brakes are designed to provide reliable stopping power for the tractor. The Detroit Diesel 4-71 engine provides the necessary power to the brakes to ensure that they are effective.

Steering

The steering is powered by the Detroit Diesel 4.6L 4-cylinder diesel engine. The steering is four-wheel power steering, which provides excellent maneuverability for the tractor. The steering is designed to be responsive and easy to use, making it ideal for a variety of applications. The steering system is designed to work in conjunction with the other systems on the tractor to provide a smooth and efficient ride.

Common Problems

Users have reported issues with the transmission, particularly with shifting between gears. Some users have also reported issues with the brakes, including reduced stopping power and brake failure. Another common problem reported by users is with the steering, particularly with the power steering system. Some users have reported that the power steering system can be slow to respond or may fail altogether. Finally, some users have reported issues with the cab, including poor ventilation and uncomfortable seating.

What Users Like

Users appreciate the tractor's power and versatility. The 141 hp/105.1 kW engine provides plenty of power for a variety of applications, and the 20-speed transmission allows for precise control over the tractor's speed. Users also appreciate the four-wheel power steering, which provides excellent maneuverability. Finally, users appreciate the tractor's large tires, which provide excellent traction and stability on a variety of terrains.

M-R-S A-80B Technical Specifications

Power
Engine	141 hp/105.1 kW
Drawbar (claimed)	123 hp/91.7 kW
Engine Detail
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	141 hp/105.1 kW
Rated Rpm	2100
Torque	366 lb-ft/496.3 Nm
Torque Rpm	1600
Starter Type	electric
Oil Capacity	15 qts/14.2 L
Coolant Capacity	42 qts/39.7 L
Engine
Description	Detroit Diesel 4.6L 4-cyl diesel
Transmission
Gears	20 forward and 4 reverse
Clutch	381mm dry disc
Mechanical
Chassis	4x4 4WD
Steering	power four-wheel
Cab	Open operator station. Cab optional with available air-conditioning..
Transmission	20-speed
Tires
Ag Front	18.00-26
Ag Rear	18.00-26/23.1-26
Dimensions
Wheelbase	118 inches/299 cm
Length	195 inches/495 cm
Width	111 inches/281 cm
Height	117 inches/297 cm
Max Weight	17000 lbs/7711 kg
Ground Clearance	14 inches/35 cm
Front Tread	80 inches/203 cm
Rear Tread	80 inches/203 cm
Dimensions And Tires
Wheelbase	118 inches/299 cm
Front Tire	18.4-26
Rear Tire	18.4-26
Hydraulics
Pump Flow	20 gpm/75.7 lpm

Other M-R-S tractors:

M-R-S A-100, M-R-S A-105, M-R-S A-110, M-R-S A-80, M-R-S A-80B, M-R-S A-85, M-R-S A-90, M-R-S A-90B, M-R-S A-92, M-R-S A-95,