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M-R-S A-90 vs M-R-S A-90B
Verdict: M-R-S A-90 vs M-R-S A-90B
The M-R-S A-90 and the M-R-S A-90B are both tractors — here is how they stack up on the figures that matter. M-R-S A-90B is the lighter machine (9,707 kg vs 10,886 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. M-R-S A-90B is the newer design (1964 vs 1962). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
M-R-S
85
Fit score
Best match
Clear
M-R-S
79
Fit score
Clear
Rated power
123 hp
null hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
M-R-SReference
M-R-SReference
liquid-cooledReference
liquid-cooledReference
Drive
4x4 4WDReference
4x4 4WDReference
Engine
Engine
91.7 kWReference
—
Drawbar (claimed)
67.1 kWReference
—
Displacement
6.6 LReference
7.6 LReference
Bore/Stroke
105 x 127 mmReference
113 x 127 mmReference
Power
91.7 kWReference
—
Rated RPM
2200Reference
2200Reference
Starter type
electricReference
electricReference
Transmission
Gears
10 forward and 2 reverseReference
10 forward and 2 reverseReference
Dimensions
Wheelbase
254 cmReference
254 cmReference
Weight
10886 kgReference
9707 kgReference
Front tire
18.4x26Reference
18.4x26Reference
Rear tire
18.4x26Reference
18.4x26Reference
Ag front
18.4x26Reference
18.4x26Reference
Ag rear
18.4x26Reference
18.4x26Reference
Height
289 cmReference
289 cmReference
Ground clearance
40 cmReference
—
Front tread
190 cmReference
190 cmReference
Rear tread
190 cmReference
205 cmReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.