Massey-Harris

Massey-Harris 55

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).

Power62 hp[P]

Founded1946 - 1955

Model55

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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)