Massey-Harris 55 tractor specifications

1946 - 1955

1946 - 1955 Standard-tread tractor

Production

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

Variants

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

Massey-Harris 55 Power

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
power test details ...

1946 - 1955

Standard-tread tractor

Nebraska Tractor Test 394

Nebraska Tractor Test 394
Gasoline 4-speed 2WD May 18 - 27, 1948 Link: Nebraska Tractor Test 394 file
Belt power (max):	58.98 hp 44.0 kW
Belt fuel use (max):	5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power:	52.47 hp 39.1 kW
Gear 3 used for power test.
Max pull:	5,674 lbs 2573 kg
Gear 1 used for pull test.

Nebraska Tractor Test 428

Nebraska Tractor Test 428
Tractor fuel 4-speed 2WD October 3 - 14, 1949 Link: Nebraska Tractor Test 428 file
Belt power (max):	52.17 hp 38.9 kW
Belt fuel use (max):	5.3 gal/hour 20.1 l/hour
Drawbar performance
Max power:	47.64 hp 35.5 kW
Gear 3 used for power test.
Max pull:	5,546 lbs 2515 kg
Gear 1 used for pull test.

Nebraska Tractor Test 452

Nebraska Tractor Test 452
Diesel 4-speed 2WD October 17 - 26, 1950 Link: Nebraska Tractor Test 452 file
Belt power (max):	59.04 hp 44.0 kW
Belt fuel use (max):	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power:	51.07 hp 38.1 kW
Gear 3 used for power test.
Max pull:	5,865 lbs 2660 kg
Gear 1 used for pull test.

Nebraska Tractor Test 455

Nebraska Tractor Test 455
Gasoline 4-speed 2WD April 16 - May 7, 1951 Link: Nebraska Tractor Test 455 file
Belt power (max):	66.91 hp 49.9 kW
Belt fuel use (max):	5.9 gal/hour 22.3 l/hour
Drawbar performance
Max power:	57.55 hp 42.9 kW
Gear 3 used for power test.
Max pull:	6,377 lbs 2892 kg
Gear 1 used for pull test.

Massey-Harris 55 Engines

Massey-Harris 55 Engines 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 Engine details ...

1946 - 1955

Standard-tread tractor

Engines overview

Engines overview
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

Engine Detail

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

Engine Detail

Engine Detail
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 volts:	12

Engine Detail

Engine Detail
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 volts:	6
Oil capacity:	10 qts 9.5 L

Engine Detail

Engine Detail
Continental J382
LP gas
4-cylinder
liquid-cooled
Displacement:	382 ci 6.3 L
Rated RPM:	1350

Mechanical

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

1946 - 1955

Standard-tread tractor

Transmission

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

Speeds

Speeds

Capacity

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

Hydraulics

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

Power Take-off (PTO)

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

Dimensions & Tires

Dimensions & Tires Standard Wheelbase:88.5 inches
224 cm
Western Wheelbase:90.1 inches
228 cm
Weight:7223 to 7571 pounds
Front tire:7.50x18
Rear tire:14-34
Full dimensions and tires ...

1946 - 1955

Standard-tread tractor

Massey-Harris 55 Tires

Massey-Harris 55 Tires
Ag front:	7.50x18
Standard Ag rear:	14-34
Western Ag rear:	18-26
Ag rear:	15-34

Dimensions

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

Massey-Harris 55 Weight

Massey-Harris 55 Weight
Gas Operating:	7223 lbs 3276 kg
Diesel Operating:	7571 lbs 3434 kg
Ballasted:	10155 lbs 4606 kg

55 Serial Numbers

55 Serial Numbers Location:On side of tractor frame.
photo of 55 serial number
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)

how to read serial numbers...