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Years in Production / 1962–1963
M-R-S
A-90
Explore the specifications, hardware, and original references for the M-R-S A-90.

No photo
123hp
Source index power
4x4 Only
Drive
1962–1963
Production years
M-R-S
Manufacturer
A-90 / 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-90 / 02
Under the hood
Engine Detail
Cummins JN-130-CI
diesel
6-cylinder
liquid-cooled
- Displacement
- 401 ci6.6 L
- Bore Stroke
- 4.125x5.00 inches105 x 127 mm
- Power
- 123 hp91.7 kW
- Rated Rpm
- 2200
- Starter Type
- electric
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled
A-90 / 03
Gears & controls
Transmission
- Gears
- 10 forward and 2 reverse
A-90 / 04
Size. Stance. Footprint.
Dimensions
- Height
- 114 in289 cm
- Wheelbase
- 100 in254 cm
- Ground clearance
- 16 in40 cm
- Front tread
- 75 in190 cm
- Rear tread
- 75 in190 cm
Dimensions And Tires
- Wheelbase
- 100 inches254 cm
- Weight
- 24000 lbs10886 kg
- Front Tire
- 18.4x26
- Rear Tire
- 18.4x26
Tires And Tracks
- Front Ag
- 18.4x26
- Rear Ag
- 18.4x26