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Massey-Harris 444 vs Massey-Harris 55

Verdict: Massey-Harris 444 vs Massey-Harris 55

The Massey-Harris 444 and the Massey-Harris 55 are both tractors — here is how they stack up on the figures that matter. Massey-Harris 55 leads on rated power with 56 hp against 48 hp. Massey-Harris 444 is the lighter machine (2,948 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 444 is the newer design (1956 vs 1946). In short: choose the Massey-Harris 55 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.

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Fit & specs
Massey-Harris 444 Tractor
Massey-Harris
62
Fit score
Best match
Clear
Massey-Harris 55 Tractor
Massey-Harris
62
Fit score
Best match
Clear
Rated power
48 hp
56 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Massey-HarrisReference
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
Drawbar (claimed)
26.1 kWReference
30.6 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
oil bathReference
Compression
9:1Reference
4.5:1Reference
Rated RPM
1500Reference
1350Reference
Starter volts
12Reference
12Reference
Coolant capacity
21.8 LReference
26.5 LReference
Belt power (max)
36.7 kWReference
49.9 kWReference
Max power
33.8 kWReference
42.9 kWReference
Plows
5Reference
Starter
electricReference
Oil capacity
9.5 LReference
Transmission
Type
gearReference
gearReference
Gears
10 forward and 2 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
PTO & Hydraulics
PTO (claimed)
35.8 kWReference
41.8 kWReference
Rear PTO
independentReference
Rear PTO Type
540Reference
540 (1.375)Reference
Engine RPM
542@1500Reference
521@1350Reference
Hydraulic system
13.2 LReference
Capacity
13.2 LReference
Total flow
37.9 lpmReference
Dimensions
Wheelbase
223 cmReference
Weight
2948 kgReference
7223 to 7571 poundsReference
Front tire
6.50-16Reference
7.50x18Reference
Rear tire
13-38Reference
14-34Reference
Ag front
6.50-16Reference
7.50x18Reference
Ag rear
13-38Reference
15-34Reference
Operating weight
2948 kgReference
Ballasted weight
4304 kgReference
Standard Wheelbase
224 cmReference
Western Wheelbase
228 cmReference
Standard Ag rear
14-34Reference
Western Ag rear
18-26Reference
Length
369 cmReference
Height
211 cmReference
Standard Rear tread
145 cmReference
Western Rear tread
177 cmReference
Gas Operating
3276 kgReference
Diesel Operating
3434 kgReference
Ballasted
4606 kgReference
444 Serial Number Location
Test results
Belt fuel use (max)
19.3 l/hourReference
22.3 l/hourReference
Max pull
2963 kgReference
2892 kgReference
Variants
55K
all-fuel engineReference
55D
diesel engineReference
Western
wide-treadReference
Capacities
Fuel
104.1 LReference
55 Serial Number Location
55 Serial Numbers
1946
1001 (all-fuel)Reference
1947
1013 (all-fuel)Reference
1948
1554 (all-fuel)Reference
1949
1001 (diesel)Reference
1950
1022 (diesel)Reference
1951
2058 (diesel)Reference
1952
2822/10001 (diesel)Reference
1953
13017 (diesel)Reference
1954
15299 (diesel)Reference
1955
17059 (diesel)Reference

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.

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