john deere 4640

1978 - 1982

Iron Horses Series

Row-Crop tractor

Iron Horses Series

Row-Crop tractor

NTTL 1264: diesel 16-speed 2WD

NTTL 1358: diesel 8-speed 2WD

Diesel 16-speed 2WD November 2 - 21, 1977 Link: Nebraska Tractor Test 1264 file

PTO performance

Power at rated engine speed

156.30 hp 116.6 kW

Fuel use

10.0 gal/hour 37.9 l/hour

Drawbar performance

Max power

130.33 hp 97.2 kW

Fuel use

9.8 gal/hour 37.1 l/hour

Max pull

15,362 lbs 6968 kg

Diesel 8-speed 2WD August 18 - 28, 1980 Link: Nebraska Tractor Test 1358 file

PTO performance

Power at rated engine speed

155.96 hp 116.3 kW

Fuel use

9.9 gal/hour 37.5 l/hour

Power at rated PTO speed

157.01 hp 117.1 kW

Fuel use

9.9 gal/hour 37.5 l/hour

Drawbar performance

Max power

132.44 hp 98.8 kW

Fuel use

9.8 gal/hour 37.1 l/hour

Gear 4 used for power test.

Max pull

15,989 lbs 7252 kg

Gear 2 used for pull test.