Fiat 640 (DT) vs IMT 577 (DV)

10 material differences · fewer than 12

Tractor one

1973–1982

No measured PTO figure

Tractor two

1981–1993

No measured PTO figure

Which should you choose?

Read our verdict on the 640 (DT) and the 577 (DV) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 6 fields identical or within 5%, which is not counted as material

Fiat 640 (DT) and IMT 577 (DV), field by field
Field	640 (DT)	577 (DV)	Gap
Engine
Engine power, claimed claimed	63.2 hp	69.1 hp	+9% 577 (DV)
Engine declared	FIAT-IVECO 8045.02.200/307	IMR-PERKINS S-44 A/T (A 4.248)	differs
Displacement declared	3.46 L	4.07 L	+18% 577 (DV)
Maximum torque declared	162 lb·ft · 219 N·m	194 lb·ft · 263 N·m	+20% 577 (DV)
Transmission
Top speed declared	15.5 mph · 25 km/h	18.6 mph · 30 km/h	+20% 577 (DV)
Clutch declared	Dry Ferodo double clutch	Pedal operated dry two stage KRON NOVI double clutch	differs
Hydraulics & hitch
Pump flow declared	5.8 gpm · 21.8 L/min	5.9 gpm · 22.3 L/min	—
Three-point lift at ends declared	4,960 lb · 2,250 kg	5,622 lb · 2,550 kg	+13% 577 (DV)
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,181 lb · 2,350 kg	6,482 lb · 2,940 kg	+25% 577 (DV)
Maximum permissible mass declared	8,157 lb · 3,700 kg	—	—
Wheelbase declared	84.3 in · 2,140 mm	87.2 in · 2,215 mm	—
Length declared	138.6 in · 3,520 mm	144.5 in · 3,670 mm	—
Width declared	67.5 in · 1,715 mm	68.9 in · 1,750 mm	—
Height declared	93.3 in · 2,370 mm	96.5 in · 2,450 mm	—
Ground clearance declared	20.1 in · 510 mm	18.9 in · 480 mm	+6% 640 (DT)
Turning radius, braked declared	11.2 ft · 3.42 m	14.1 ft · 4.29 m	+25% 577 (DV)
Fuel tank declared	57.1 qt · 54.0 L	95.1 qt · 90.0 L	+67% 577 (DV)

Source

Source