Massey-Harris 55

Production: 1946 - 1955  

Production
Manufacturer:	Massey-Harris
Type:	Standard-tread tractor
Original price:	$3,850 (1955 )

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

Massey-Harris 55 Power
Drawbar (claimed):	41 hp 30.6 kW
PTO (claimed):	56 hp 41.8 kW
Plows:	5
Drawbar (tested):	57.55 hp 42.9 kW
Belt (tested):	66.91 hp 49.9 kW

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Brakes:	differential mechanical expanding shoe
Cab:	Open operator station.
Transmission:	4-speed gear

Capacity
Fuel:	27.5 gal 104.1 L
Hydraulic system:	3.5 gal 13.2 L

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

Power Take-off (PTO)
Rear RPM:	540 (1.375)
Engine RPM:	521@1350

55 Serial Numbers
Location:	On side of tractor frame.
1946:	1001 (gasoline)
1947:	1116 (gasoline)
1948:	2132 (gasoline)
1949:	3581 (gasoline)
1950:	5468 (gasoline)
1951:	6399 (gasoline)
1952:	10001 (gasoline)
1953:	13017 (gasoline)
1954:	15299 (gasoline)
1955:	17059 (gasoline)
1946:	1001 (all-fuel)
1947:	1013 (all-fuel)
1948:	1554 (all-fuel)
1949:	3033 (all-fuel)
1950:	4078 (all-fuel)
1951:	4808 (all-fuel)
1952:	5503/10001 (all-fuel)
1953:	13017 (all-fuel)
1954:	15299 (all-fuel)
1955:	17059 (all-fuel)
1949:	1001 (diesel)
1950:	1022 (diesel)
1951:	2058 (diesel)
1952:	2822/10001 (diesel)
1953:	13017 (diesel)
1954:	15299 (diesel)
1955:	17059 (diesel)

Engine Detail
Continental J382
gasoline
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:	5.65:1
Rated RPM:	1350
Starter volts:	6
Oil capacity:	10 qts 9.5 L
Coolant capacity:	28 qts 26.5 L

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

Dimensions
Standard Wheelbase:	88.5 inches 224 cm
Western Wheelbase:	90.1 inches 228 cm
Length:	145.5 inches 369 cm
Height:	83.3 inches 211 cm
Standard Rear tread:	57.4 inches 145 cm
Western Rear tread:	70 inches 177 cm