Compare/Massey-Harris 444 vs Massey-Harris 555

Massey-Harris 444 vs Massey-Harris 555

Verdict: Massey-Harris 444 vs Massey-Harris 555

The Massey-Harris 444 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 48 hp. Massey-Harris 444 is the lighter machine (2,948 kg vs 3,402 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Massey-Harris 555 holds more fuel (104.1 L vs 87.1 L) for longer stints between fills. Massey-Harris 444 is the newer design (1956 vs 1955). In short: choose the Massey-Harris 555 for outright pulling power, or the Massey-Harris 444 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

48 hp

71 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Massey-HarrisReference

Five gears, plus reverse, in two ranges.Reference

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

Total built

7,131Reference

—

Steering

power optionalReference

—

Engine

Fuel tank

87.1 LReference

104.1 LReference

Drawbar (claimed)

26.1 kWReference

—

Belt (claimed)

32.1 kWReference

—

Drawbar (tested)

33.8 kWReference

42.9 kWReference

Belt (tested)

36.7 kWReference

49.9 kWReference

Displacement

4.5 LReference

6.3 LReference

Bore/Stroke

102 x 140 mmReference

114 x 152 mmReference

Air cleaner

oil bathReference

—

Compression

9:1Reference

—

Rated RPM

1500Reference

1350Reference

Starter volts

12Reference

—

Coolant capacity

21.8 LReference

—

Belt power (max)

36.7 kWReference

49.9 kWReference

Max power

33.8 kWReference

42.9 kWReference

Transmission

Type

gearReference

Gears

10 forward and 2 reverseReference

4 forward and 1 reverseReference

Clutch

—

dry discReference

PTO & Hydraulics

PTO (claimed)

35.8 kWReference

52.9 kWReference

Rear PTO

independentReference

—

Rear PTO Type

540Reference

Engine RPM

542@1500Reference

521@1350Reference

Dimensions

Wheelbase

223 cmReference

224 cmReference

Weight

2948 kgReference

3402 kgReference

Front tire

6.50-16Reference

7.50-18Reference

Rear tire

13-38Reference

14-34Reference

Ag front

6.50-16Reference

7.50-18Reference

Ag rear

13-38Reference

14-34Reference

Operating weight

2948 kgReference

—

Ballasted weight

4304 kgReference

—

Rear tread

—

145 cmReference

444 Serial Number Location

Test results

Belt fuel use (max)

19.3 l/hourReference

22.3 l/hourReference

Max pull

2963 kgReference

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.