Compare/M-R-S A-80B vs M-R-S A-90B

M-R-S A-80B vs M-R-S A-90B

Verdict: M-R-S A-80B vs M-R-S A-90B

The M-R-S A-80B 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-80B is the newer design (1967 vs 1964). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

M-R-S

Fit score

Best match

Clear

M-R-S

Fit score

Clear

Rated power

141 hp

null hp

Confidence

40%

Guide price

—

Overview

Manufacturer

M-R-SReference

liquid-cooledReference

Drive

4x4 4WDReference

Engine

105.1 kWReference

—

Drawbar (claimed)

91.7 kWReference

—

Displacement

4.6 LReference

7.6 LReference

Bore/Stroke

108 x 127 mmReference

113 x 127 mmReference

Power

105.1 kWReference

—

Rated RPM

2100Reference

2200Reference

Torque

496.3 NmReference

—

Torque RPM

1600Reference

—

Starter type

electricReference

Oil capacity

14.2 LReference

—

Coolant capacity

39.7 LReference

—

Transmission

Gears

20 forward and 4 reverseReference

10 forward and 2 reverseReference

Clutch

381mm dry discReference

—

PTO & Hydraulics

Pump flow

75.7 lpmReference

—

Dimensions

Wheelbase

299 cmReference

254 cmReference

Front tire

18.4-26Reference

18.4x26Reference

Rear tire

18.4-26Reference

18.4x26Reference

Ag front

23.1-26Reference

18.4x26Reference

Ag rear

23.1-26Reference

18.4x26Reference

Length

495 cmReference

—

Width

281 cmReference

—

Height

297 cmReference

289 cmReference

Max weight

7711 kgReference

—

Ground clearance

35 cmReference

—

Front tread

203 cmReference

190 cmReference

Rear tread

203 cmReference

205 cmReference

Weight

—

9707 kgReference

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.