8 material differences · fewer than 12

Tractor oneFiat 85-90 Turbo (DT)1989–1992No measured PTO figureTractor twoFord 6640 (A)1991–1997No measured PTO figure

Which should you choose?

Read our verdict on the 85-90 Turbo (DT) and the 6640 (A) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

8 material differences · 7 fields identical or within 5%, which is not counted as material

Fiat 85-90 Turbo (DT) and Ford 6640 (A), field by field
Field	85-90 Turbo (DT)	6640 (A)	Gap
Engine
Engine power, claimed claimed	83.8 hp	83.8 hp	—
Engine declared	Fiat-Iveco 8045.25	FORD-POWERSTAR NA 304 CID-NA	differs
Displacement declared	3.91 L	4.99 L	+28% 6640 (A)
Maximum torque declared	217 lb·ft · 294 N·m	226 lb·ft · 307 N·m	—
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6–24.9 mph · 30–40 km/h	—
Clutch declared	Dry double clutch	—	—
Hydraulics & hitch
Hydraulic centre declared	—	Open centre	—
Pump flow declared	11.8 gpm · 44.5 L/min	9.9 gpm · 37.4 L/min	+19% 85-90 Turbo (DT)
Pressure declared	3,046–3,118 psi · 210–215 bar	2,582 psi · 178 bar	differs
Rear PTO speeds declared	540/1000 rpm	540 rpm / 1000 rpm	differs
Weight & dimensions
Unladen weight declared	6,945 lb · 3,150 kg	8,510 lb · 3,860 kg	+23% 6640 (A)
Wheelbase declared	92.2 in · 2,342 mm	93.0 in · 2,362 mm	—
Length declared	159.3 in · 4,047 mm	160.4 in · 4,073 mm	—
Width declared	76.0–99.6 in · 1,930–2,530 mm	76.8 in · 1,950 mm	differs
Height, over the cab declared	103.0 in · 2,615 mm	107.9 in · 2,741 mm	—
Ground clearance declared	19.9 in · 505 mm	16.0 in · 407 mm	+24% 85-90 Turbo (DT)
Turning radius, braked declared	12.0 ft · 3.65 m	—	—
Fuel tank declared	98.3 qt · 93.0 L	100.0 qt · 94.6 L	—

Source

Source