Tractors > Massey-Harris > 55

Massey-Harris 55 Tests



Massey-Harris 55 tractor photo
1946 - 1955
Standard-tread tractor
Series map:
55
62.2hp*
*Estimated engine power for comparison only.
Tractor Tests
NTTL 394: gasoline 4-speed 2WD
NTTL 428: tractor fuel 4-speed 2WD
NTTL 452: diesel 4-speed 2WD
NTTL 455: gasoline 4-speed 2WD
Nebraska Tractor Test 394
55 fuel use from 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 power52.47 hp
39.1 kW
Gear 3 used for power test.
Max pull5,674 lbs
2573 kg
Gear 1 used for pull test.
Nebraska Tractor Test 428
55 fuel use from 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 power47.64 hp
35.5 kW
Gear 3 used for power test.
Max pull5,546 lbs
2515 kg
Gear 1 used for pull test.
Nebraska Tractor Test 452
55 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
55 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 February 12, 2024
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