oliver oc 4

1957 - 1965

Agricultural Crawler tractor

Agricultural Crawler tractor

NTTL 655: diesel 4-speed crawler

NTTL 656: gasoline 4-speed crawler

Diesel 4-speed crawler June 5 - 16, 1958 Link: Nebraska Tractor Test 655 file

Belt power (max)

26.08 hp 19.4 kW

Belt fuel use (max)

2.3 gal/hour 8.7 l/hour

Drawbar performance

Max power

24.15 hp 18.0 kW

Gear 2 used for power test.

Max pull

5124 lbs 2324 kg

Gear 1 used for pull test.

Gasoline 4-speed crawler June 5 - 16, 1958 Link: Nebraska Tractor Test 656 file

Belt power (max)

25.34 hp 18.9 kW

Belt fuel use (max)

2.5 gal/hour 9.5 l/hour

Drawbar performance

Max power

23.14 hp 17.3 kW

Gear 2 used for power test.

Max pull

4986 lbs 2261 kg

Gear 1 used for pull test.