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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.

No photo
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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