oliver oc 12

1955 - 1960

Agricultural Crawler tractor

Agricultural Crawler tractor

NTTL 548: gasoline 4-speed crawler

NTTL 549: diesel 4-speed crawler

Gasoline 4-speed crawler June 15 - 28, 1955 Link: Nebraska Tractor Test 548 file

Belt power (max)

57.93 hp 43.2 kW

Belt fuel use (max)

6.0 gal/hour 22.7 l/hour

Drawbar performance

Max power

50.83 hp 37.9 kW

Gear 2 used for power test.

Max pull

10399 lbs 4716 kg

Gear 1 used for pull test.

Diesel 4-speed crawler June 15 - 28, 1955 Link: Nebraska Tractor Test 549 file

Belt power (max)

56.55 hp 42.2 kW

Belt fuel use (max)

4.8 gal/hour 18.2 l/hour

Drawbar performance

Max power

50.54 hp 37.7 kW

Gear 2 used for power test.

Max pull

11333 lbs 5140 kg

Gear 1 used for pull test.