oliver 660

1959 - 1964

Row-Crop tractor

Row-Crop tractor

NTTL 541: gasoline 6-speed 2WD

NTTL 544: diesel 6-speed 2WD

Gasoline 6-speed 2WD May 16 - 19, 1955 Link: Nebraska Tractor Test 541 file

Belt power (max)

33.62 hp 25.1 kW

Belt fuel use (max)

3.1 gal/hour 11.7 l/hour

Drawbar performance

Max power

27.99 hp 20.9 kW

Gear 4 used for power test.

Max pull

4,309 lbs 1954 kg

Gear 1 used for pull test.

Diesel 6-speed 2WD May 19 - 26, 1955 Link: Nebraska Tractor Test 544 file

Belt power (max)

33.69 hp 25.1 kW

Belt fuel use (max)

2.4 gal/hour 9.1 l/hour

Drawbar performance

Max power

27.48 hp 20.5 kW

Gear 4 used for power test.

Max pull

4,393 lbs 1992 kg

Gear 1 used for pull test.