Fiat 640 (DT) vs Renault 385 / R 78

13 material differences

Tractor one

1973–1982

No measured PTO figure

Tractor two

1963–1967

No measured PTO figure

Which should you choose?

Read our verdict on the 640 (DT) and the 385 / R 78 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

13 material differences · 3 fields identical or within 5%, which is not counted as material

Fiat 640 (DT) and Renault 385 / R 78, field by field
Field	640 (DT)	385 / R 78	Gap
Engine
Engine power, claimed claimed	63.2 hp	54.3 hp	+16% 640 (DT)
Engine declared	FIAT-IVECO 8045.02.200/307	RENAULT-ALFA 591-30	differs
Displacement declared	3.46 L	3.02 L	+15% 640 (DT)
Maximum torque declared	162 lb·ft · 219 N·m	130 lb·ft · 177 N·m	+24% 640 (DT)
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Dry Ferodo double clutch	dry Borg-Beck double clutch with two-stage pedal actuation	differs
Hydraulics & hitch
Pump flow declared	5.8 gpm · 21.8 L/min	6.9 gpm · 26.0 L/min	+19% 385 / R 78
Three-point lift at ends declared	4,960 lb · 2,250 kg	3,307 lb · 1,500 kg	+50% 640 (DT)
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,181 lb · 2,350 kg	5,818 lb · 2,639 kg	+12% 385 / R 78
Maximum permissible mass declared	8,157 lb · 3,700 kg	—	—
Wheelbase declared	84.3 in · 2,140 mm	87.6 in · 2,225 mm	—
Length declared	138.6 in · 3,520 mm	153.0 in · 3,885 mm	+10% 385 / R 78
Width declared	67.5 in · 1,715 mm	74.8 in · 1,900 mm	+11% 385 / R 78
Height declared	93.3 in · 2,370 mm	66.1 in · 1,680 mm	+41% 640 (DT)
Ground clearance declared	20.1 in · 510 mm	16.5 in · 420 mm	+21% 640 (DT)
Turning radius, braked declared	11.2 ft · 3.42 m	12.1 ft · 3.70 m	+8% 385 / R 78
Fuel tank declared	57.1 qt · 54.0 L	84.5 qt · 80.0 L	+48% 385 / R 78

Source

Source