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Years in Production / 1967–1980

M-R-S

A-80B

Explore the specifications, hardware, and original references for the M-R-S A-80B.

Generic tractor; no model photo available
No photo

141hp

Source index power

4x4 Only

Drive

1967–1980

Production years

M-R-S

Manufacturer

A-80B / 01

At a glance

Production

Four-wheel Drive (4WD) tractor

Built in Flora, Mississippi, USA

Manufacturer
M-R-S

Mechanical

Power four-wheel steering

Open operator station. Cab optional with available air-conditioning..

Drive
4x4 4WD

Hydraulics

Pump Flow
20 gpm75.7 lpm

A-80B / 02

Under the hood

Engine Detail

Detroit Diesel 4-71

diesel

4-cylinder

liquid-cooled

Displacement
283.7 ci4.6 L
Bore Stroke
4.25x5.00 inches108 x 127 mm
Power
141 hp105.1 kW
Rated Rpm
2100
Torque
366 lb-ft496.3 Nm
Torque Rpm
1600
Starter Type
electric
Oil Capacity
15 qts14.2 L
Coolant Capacity
42 qts39.7 L
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled

A-80B / 03

Gears & controls

Transmission

Gears
20 forward and 4 reverse
Clutch
381mm dry disc

A-80B / 04

Size. Stance. Footprint.

Dimensions

Length
195 in495 cm
Width
111 in281 cm
Height
117 in297 cm
Wheelbase
118 in299 cm
Ground clearance
14 in35 cm
Front tread
80 in203 cm
Rear tread
80 in203 cm

Dimensions And Tires

Wheelbase
118 inches299 cm
Front Tire
18.4-26
Rear Tire
18.4-26

Tires And Tracks

Front Ag
18.4-26
Front Ag
18.00-26
Front Ag
23.1-26
Rear Ag
18.4-26
Rear Ag
18.00-26
Rear Ag
23.1-26