Tractors > Massey-Harris > 555

Massey-Harris 555 Tests



Massey-Harris 555 tractor photo
1955 - 1958
Standard-tread tractor
Series map:
555
78.9hp*
*Estimated engine power for comparison only.
Tractor Tests
NTTL 452: diesel 4-speed 2WD
NTTL 455: gasoline 4-speed 2WD
Nebraska Tractor Test 452
555 fuel use from 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 power51.07 hp
38.1 kW
Gear 3 used for power test.
Max pull5,865 lbs
2660 kg
Gear 1 used for pull test.
Nebraska Tractor Test 455
555 fuel use from 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 power57.55 hp
42.9 kW
Gear 3 used for power test.
Max pull6,377 lbs
2892 kg
Gear 1 used for pull test.
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Updated on September 12, 2023
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