Fiat 615 (DT) vs UTB U 650/651

12 material differences

Tractor one

1965–1968

No measured PTO figure

Tractor two

1963–1973

No measured PTO figure

Which should you choose?

Read our verdict on the 615 (DT) and the U 650/651 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

12 material differences · 4 fields identical or within 5%, which is not counted as material

Fiat 615 (DT) and UTB U 650/651, field by field
Field	615 (DT)	U 650/651	Gap
Engine
Engine power, claimed claimed	64.1 hp	64.1 hp	—
Engine declared	O.M.-FIAT CO 2 D/60 Var.10 or Var.12	UTB D-103	differs
Displacement declared	4.40 L	4.76 L	+8% U 650/651
Maximum torque declared	188 lb·ft · 255 N·m	—	—
Transmission
Top speed declared	14.9 mph · 24 km/h	16.8 mph · 27 km/h	+13% U 650/651
Clutch declared	pedal operated two stage dry FERODO double clutch	Pedal-operated dry single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	7.0 gpm · 26.5 L/min	10.6 gpm · 40.0 L/min	+51% U 650/651
Pressure declared	2,988 psi · 206 bar	1,856 psi · 128 bar	+61% 615 (DT)
Three-point lift at ends declared	3,968 lb · 1,800 kg	—	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,997 lb · 2,720 kg	6,724 lb · 3,050 kg	+12% U 650/651
Maximum permissible mass declared	—	9,921 lb · 4,500 kg	—
Wheelbase declared	85.4 in · 2,170 mm	95.7 in · 2,430 mm	+12% U 650/651
Length declared	140.9 in · 3,580 mm	166.5 in · 4,230 mm	+18% U 650/651
Width declared	71.7 in · 1,820 mm	78.7 in · 2,000 mm	+10% U 650/651
Height declared	66.5 in · 1,690 mm	97.6 in · 2,480 mm	+47% U 650/651
Ground clearance declared	18.5 in · 470 mm	18.9 in · 480 mm	—
Turning radius, braked declared	12.0 ft · 3.65 m	11.9 ft · 3.64 m	—
Fuel tank declared	88.8 qt · 84.0 L	103.6 qt · 98.0 L	+17% U 650/651

Source

Source