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Years in Production / 1964–1970

M-R-S

A-90B

Explore the specifications, hardware, and original references for the M-R-S A-90B.

Generic tractor; no model photo available
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Source index power

4x4 Only

Drive

1964–1970

Production years

M-R-S

Manufacturer

A-90B / 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.

Drive
4x4 4WD

A-90B / 02

Under the hood

Engine Detail

Cummins C-175

diesel

6-cylinder

liquid-cooled

Displacement
464 ci7.6 L
Bore Stroke
4.44x5.00 inches113 x 127 mm
Rated Rpm
2200
Starter Type
electric
Fuel Type
diesel
Cylinders
6
Cooling
liquid-cooled

A-90B / 03

Gears & controls

Transmission

Gears
10 forward and 2 reverse

A-90B / 04

Size. Stance. Footprint.

Dimensions

Height
114 in289 cm
Wheelbase
100 in254 cm
Front tread
75 in190 cm
Rear tread
81 in205 cm

Dimensions And Tires

Wheelbase
100 inches254 cm
Weight
21400 lbs9707 kg
Front Tire
18.4x26
Rear Tire
18.4x26

Tires And Tracks

Front Ag
18.4x26
Rear Ag
18.4x26