10 material differences · fewer than 12

Tractor oneFord 6640 (A)1991–1997No measured PTO figureTractor twoLamborghini Premium 850 (DT)1995–2004No measured PTO figure

Which should you choose?

Read our verdict on the 6640 (A) and the Premium 850 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Ford 6640 (A) and Lamborghini Premium 850 (DT), field by field
Field	6640 (A)	Premium 850 (DT)	Gap
Engine
Engine power, claimed claimed	83.8 hp	83.8 hp	—
Engine declared	FORD-POWERSTAR NA 304 CID-NA	SAME H-1000.4 WT-3	differs
Displacement declared	4.99 L	4.00 L	+25% 6640 (A)
Maximum torque declared	226 lb·ft · 307 N·m	216 lb·ft · 293 N·m	—
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	24.9 mph · 40 km/h	differs
Clutch declared	—	Pedal-operated dry single-disc clutch	—
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Hydraulic control declared	—	Load sensing	—
Pump flow declared	9.9 gpm · 37.4 L/min	10.8 gpm · 41.0 L/min	+10% Premium 850 (DT)
Pressure declared	2,582 psi · 178 bar	—	—
Three-point lift, at the coupling points declared	7,668 lb · 3,478 kg	7,937 lb · 3,600 kg	—
Rear PTO speeds declared	540 rpm / 1000 rpm	540/1000/540E/1000E rpm	differs
Weight & dimensions
Unladen weight declared	8,510 lb · 3,860 kg	8,003 lb · 3,630 kg	+6% 6640 (A)
Maximum permissible mass declared	—	13,228 lb · 6,000 kg	—
Wheelbase declared	93.0 in · 2,362 mm	93.5 in · 2,375 mm	—
Length declared	160.4 in · 4,073 mm	149.0 in · 3,785 mm	+8% 6640 (A)
Width declared	76.8 in · 1,950 mm	72.4–101.6 in · 1,840–2,580 mm	differs
Height, over the cab declared	107.9 in · 2,741 mm	105.3 in · 2,675 mm	—
Ground clearance declared	16.0 in · 407 mm	20.3 in · 515 mm	+27% Premium 850 (DT)
Fuel tank declared	100.0 qt · 94.6 L	158.5 qt · 150.0 L	+59% Premium 850 (DT)

Source

Source