M-R-S

M-R-S A-90B

The M-R-S A-90B is a four-wheel drive (4WD) tractor produced from 1964 to 1970 by M-R-S in Flora, Mississippi, USA. It features a Cummins C-175 7.6L 6-cylinder liquid-cooled diesel engine rated at 2200 RPM with an electric starter. The tractor has a 10-speed transmission with 10 forward and 2 reverse gears, power four-wheel steering, and an open operator station. Dimensions include a 100 inch (254 cm) wheelbase, 114 inch (289 cm) height, and a weight of 21400 lbs (9707 kg). It rides on 18.4x26 tires front and rear.
Powerunknown
Founded1964 - 1970
ModelA-90B

Technical Specifications

Detailed specifications and technical data for M-R-S A-90B

Power
Drive4x4 4WD
FeaturesPower four-wheel steering
Operator stationOpen operator station
Tires
Ag rear18.4x26
Ag front18.4x26
Rear tire18.4x26
Front tire18.4x26
Engine
Typediesel
ModelCummins C-175
Coolingliquid-cooled
Cylinders6-cylinder
Rated RPM2200
Bore/Stroke4.44x5.00 inches (113 x 127 mm)
Displacement464 ci (7.6 L)
Starter typeelectric
Dimensions
Height114 inches (289 cm)
Weight21400 lbs (9707 kg)
Wheelbase100 inches (254 cm)
Rear tread81 inches (205 cm)
Front tread75 inches (190 cm)
Production
TypeFour-wheel Drive (4WD) tractor
Built inFlora, Mississippi, USA
ManufacturerM-R-S
Years produced1964 - 1970
Transmission
Type10-speed
Gears10 forward and 2 reverse