Compare/Massey-Harris 55 vs Massey-Harris 555

Massey-Harris 55 vs Massey-Harris 555

Verdict: Massey-Harris 55 vs Massey-Harris 555

The Massey-Harris 55 and the Massey-Harris 555 are both tractors — here is how they stack up on the figures that matter. Massey-Harris 555 leads on rated power with 71 hp against 56 hp. Massey-Harris 555 is the lighter machine (3,402 kg vs 7,223 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Massey-Harris 555 is the newer design (1955 vs 1946). In short: choose the Massey-Harris 555 for outright pulling power, or the Massey-Harris 55 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Massey-Harris

Fit score

Best match

Clear

Massey-Harris

Fit score

Best match

Clear

Rated power

56 hp

71 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Massey-HarrisReference

Gasoline 4-speed 2WDApril 16 - May 7, 1951Link: Nebraska Tractor Test 455 fileReference

Variants

55K

all-fuel engineReference

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55D

diesel engineReference

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Western

wide-treadReference

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Engine

Drawbar (claimed)

30.6 kWReference

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Plows

5Reference

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Drawbar (tested)

42.9 kWReference

Belt (tested)

49.9 kWReference

Displacement

6.3 LReference

Bore/Stroke

114 x 152 mmReference

Air cleaner

oil bathReference

—

Compression

4.5:1Reference

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Rated RPM

1350Reference

Starter

electricReference

—

Starter volts

12Reference

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Oil capacity

9.5 LReference

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Coolant capacity

26.5 LReference

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Belt power (max)

49.9 kWReference

Max power

42.9 kWReference

Fuel tank

—

104.1 LReference

Transmission

Type

gearReference

Gears

4 forward and 1 reverseReference

Clutch

dry discReference

PTO & Hydraulics

PTO (claimed)

41.8 kWReference

52.9 kWReference

Hydraulic system

13.2 LReference

—

Capacity

13.2 LReference

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Total flow

37.9 lpmReference

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Rear PTO Type

540 (1.375)Reference

540Reference

Engine RPM

521@1350Reference

Capacities

Fuel

104.1 LReference

—

Dimensions

Standard Wheelbase

224 cmReference

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Western Wheelbase

228 cmReference

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Weight

7223 to 7571 poundsReference

3402 kgReference

Front tire

7.50x18Reference

7.50-18Reference

Rear tire

14-34Reference

Ag front

7.50x18Reference

7.50-18Reference

Standard Ag rear

14-34Reference

—

Western Ag rear

18-26Reference

—

Ag rear

15-34Reference

14-34Reference

Length

369 cmReference

—

Height

211 cmReference

—

Standard Rear tread

145 cmReference

—

Western Rear tread

177 cmReference

—

Gas Operating

3276 kgReference

—

Diesel Operating

3434 kgReference

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Ballasted

4606 kgReference

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Wheelbase

—

224 cmReference

Rear tread

—

145 cmReference

55 Serial Number Location

55 Serial Numbers

1946

1001 (all-fuel)Reference

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1947

1013 (all-fuel)Reference

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1948

1554 (all-fuel)Reference

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1949

1001 (diesel)Reference

—

1950

1022 (diesel)Reference

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1951

2058 (diesel)Reference

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1952

2822/10001 (diesel)Reference

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1953

13017 (diesel)Reference

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1954

15299 (diesel)Reference

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1955

17059 (diesel)Reference

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Test results

Belt fuel use (max)

22.3 l/hourReference

Max pull

2892 kgReference

555 Serial Number Location

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.