ford 641

1957 - 1962

601 Workmaster Series

Utility tractor

601 Workmaster Series

Utility tractor

NTTL 642: gasoline 12-speed 2WD

NTTL 686: diesel 12-speed 2WD

Gasoline 12-speed 2WD March 20 - 31, 1958 Link: Nebraska Tractor Test 642 file

Belt power (max)

33.65 hp 25.1 kW

Belt fuel use (max)

3.4 gal/hour 12.9 l/hour

Drawbar performance

Max power

29.82 hp 22.2 kW

Gear 5 used for power test.

Max pull

4,101 lbs 1860 kg

Gear 1 used for pull test.

Diesel 12-speed 2WD March 11 - 18, 1959 Link: Nebraska Tractor Test 686 file

PTO performance

Power at rated engine speed

31.78 hp 23.7 kW

Fuel use

2.2 gal/hour 8.3 l/hour

Power at rated PTO speed

25.29 hp 18.9 kW

Fuel use

1.8 gal/hour 6.8 l/hour

Drawbar performance

Max power

29.33 hp 21.9 kW

Fuel use

2.3 gal/hour 8.7 l/hour

Gear 5 used for power test.

Max pull

4,230 lbs 1918 kg

Gear 1 used for pull test.