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Massey-Harris 55

Massey-Harris 55 tractor
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The Massey-Harris 55 is a standard-tread farm tractor produced from 1946 to 1955. It was available with gasoline, diesel, all-fuel, and LP gas engines, all based on the Continental 6.3L 4-cylinder engine. The tractor features a 4-speed gear transmission with dry disc clutch, two-wheel drive, manual steering, and mechanical expanding shoe brakes. It has a fuel capacity of 27.5 gallons and a hydraulic system capacity of 3.5 gallons. The PTO operates at 540 RPM with engine RPM at 1350. The tractor weighs between 7223 and 7571 pounds depending on the engine type, with a ballasted weight of 10155 pounds. It was originally priced at $3,850 in 1955. Variants include the 55K (all-fuel engine), 55D (diesel engine), and Western (wide-tread).
Massey-Harris 55Massey-Harris tractorfarm tractor6.3L engine4-speed transmissiontractor specifications
Power62 hp[P]
Founded1946 - 1955
Model55

Technical Specifications

Detailed specifications and technical data for Massey-Harris 55

Power

Plows:5
Belt (tested):66.91 hp (49.9 kW)
PTO (claimed):56 hp (41.8 kW)
Drawbar (tested):57.55 hp (42.9 kW)
Drawbar (claimed):41 hp (30.6 kW)

Engine

Engine options:Continental 6.3L 4-cyl gasoline, Continental 6.3L 4-cyl diesel, Continental 6.3L 4-cyl all fuel, Continental 6.3L 4-cyl LP gas
Continental J382 LP gas:4-cylinder, liquid-cooled, Displacement 382 ci (6.3 L), Rated RPM 1350
Continental J382D diesel:4-cylinder, liquid-cooled vertical I-head, Displacement 382 ci (6.3 L), Bore/Stroke 4.50x6.00 inches (114 x 152 mm), Air cleaner oil bath, Compression 15:1, Rated RPM 1350, Starter electric, Starter volts 12
Continental J382 all fuel:4-cylinder, liquid-cooled vertical I-head, Displacement 382 ci (6.3 L), Bore/Stroke 4.50x6.00 inches (114 x 152 mm), Air cleaner oil bath, Compression 4.5:1, Rated RPM 1350, Starter electric, Starter volts 6, Oil capacity 10 qts (9.5 L)
Continental J382 gasoline:4-cylinder, liquid-cooled, Displacement 382 ci (6.3 L), Bore/Stroke 4.50x6.00 inches (114 x 152 mm), Air cleaner oil bath, Compression 5.65:1, Rated RPM 1350, Starter electric, Starter volts 6, Oil capacity 10 qts (9.5 L), Coolant capacity 28 qts (26.5 L)

Capacity

Fuel:27.5 gal (104.1 L)
Hydraulic system:3.5 gal (13.2 L)

Variants

55D:diesel engine
55K:all-fuel engine
Western:wide-tread

Hydraulics

Capacity:3.5 gal (13.2 L)
Total flow:10 gpm (37.9 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical expanding shoe brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Original price:$3,850 in 1955
Years produced:1946 - 1955

Transmission

Type:gear
Gears:4 forward and 1 reverse
Clutch:dry disc

Serial Numbers

1949 diesel:1001
1950 diesel:1022
1951 diesel:2058
1952 diesel:2822/10001
1953 diesel:13017
1954 diesel:15299
1955 diesel:17059
1946 all-fuel:1001
1946 gasoline:1001
1947 all-fuel:1013
1947 gasoline:1116
1948 all-fuel:1554
1948 gasoline:2132
1949 all-fuel:3033
1949 gasoline:3581
1950 all-fuel:4078
1950 gasoline:5468
1951 all-fuel:4808
1951 gasoline:6399
1952 all-fuel:5503/10001
1952 gasoline:10001
1953 all-fuel:13017
1953 gasoline:13017
1954 all-fuel:15299
1954 gasoline:15299
1955 all-fuel:17059
1955 gasoline:17059

Dimensions & Tires

Height:83.3 inches (211 cm)
Length:145.5 inches (369 cm)
Ag rear:15-34
Ag front:7.50x18
Rear tire:14-34
Front tire:7.50x18
Western Ag rear:18-26
Standard Ag rear:14-34
Weight Ballasted:10155 lbs (4606 kg)
Western Wheelbase:90.1 inches (228 cm)
Standard Wheelbase:88.5 inches (224 cm)
Western Rear tread:70 inches (177 cm)
Standard Rear tread:57.4 inches (145 cm)
Weight Gas Operating:7223 lbs (3276 kg)
Weight Diesel Operating:7571 lbs (3434 kg)

Power Take-off (PTO)

Engine RPM:521@1350
Rear PTO Type:540 (1.375)

Serial Number Location

Location:On side of tractor frame.

Related Models

Massey-Harris 555

Model:555

Massey-Harris 203G

Model:203G