Massey-Harris 555

The Massey-Harris 555 is a tractor produced by Massey Harris. It is equipped with a 382 ci 6.3 L engine. The rated power output is 66.91 hp 49.9 kW. Transmission: 4 forward and 1 reverse. Operating weight: 7500 lbs 3402 kg.

Overview

	1955 - 1958 Standard-tread tractor
1955 - 1958
Standard-tread tractor

Production
Manufacturer	Massey-Harris
Standard-tread tractor
Original price was $4,200 in 1958

Massey-Harris 555 Transmission
4-speed gear
Transmission details ...

Massey-Harris 555 Power
PTO (claimed)	71 hp 52.9 kW
Drawbar (tested)	57.55 hp 42.9 kW
Belt (tested)	66.91 hp 49.9 kW
Performance test details ...

Mechanical
Two-wheel drive
Open operator station.

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

Dimensions & Tires
Wheelbase	88.5 inches 224 cm
Weight	7500 lbs 3402 kg
Front tire	7.50-18
Rear tire	14-34
Full dimensions and tires ...

References
Dyanmic New Tractors published in 1956, by Massey-Harris

Engine

Engine options
Continental 6.3L 4-cyl gasoline
Continental 6.3L 4-cyl diesel

Engine Detail — 382 ci / 6.3 L Gasoline

Manufacturer	Continental J382
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	382 ci 6.3 L
Bore/Stroke	4.50x6.00 inches 114 x 152 mm
Rated RPM	1350

Engine Detail — 382 ci / 6.3 L Diesel

Manufacturer	Continental J382D
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	382 ci 6.3 L
Bore/Stroke	4.50x6.00 inches 114 x 152 mm
Rated RPM	1350

Transmission

Transmission — 4 forward and 1 reverse gear

Type	gear
Gears	4 forward and 1 reverse
Clutch	dry disc

Dimensions

Massey-Harris 555 Tires
Ag front	7.50-18
Ag rear	14-34

Dimensions
Wheelbase	88.5 inches 224 cm
Weight	7500 lbs 3402 kg
Rear tread	57.3 inches 145 cm

Tests

Tractor Tests
NTTL 452: diesel 4-speed 2WD
NTTL 455: gasoline 4-speed 2WD

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
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.

Photos

Massey-Harris 555

Massey-Harris 555

Massey-Harris 555

Massey-Harris 555

Massey-Harris 555

Massey-Harris 555 operator station and controls.