massey harris 555

1955 - 1958

Standard-tread tractor

Standard-tread tractor

NTTL 452: diesel 4-speed 2WD

NTTL 455: gasoline 4-speed 2WD

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.

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.