Fiat 615 (DT) vs UTB U-650/651 M

11 material differences · fewer than 12

Tractor one

1965–1968

No measured PTO figure

Tractor two

1973–1990

No measured PTO figure

Which should you choose?

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

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

Fiat 615 (DT) and UTB U-650/651 M, field by field
Field	615 (DT)	U-650/651 M	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-110	differs
Displacement declared	4.40 L	4.76 L	+8% U-650/651 M
Maximum torque declared	188 lb·ft · 255 N·m	213 lb·ft · 289 N·m	+13% U-650/651 M
Transmission
Top speed declared	14.9 mph · 24 km/h	16.8 mph · 27 km/h	+13% U-650/651 M
Clutch declared	pedal operated two stage dry FERODO double clutch	—	—
Hydraulics & hitch
Pump flow declared	7.0 gpm · 26.5 L/min	10.6 gpm · 40.0 L/min	+51% U-650/651 M
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	7,452 lb · 3,380 kg	+24% U-650/651 M
Wheelbase declared	85.4 in · 2,170 mm	95.7 in · 2,431 mm	+12% U-650/651 M
Length declared	140.9 in · 3,580 mm	156.3 in · 3,970 mm	+11% U-650/651 M
Width declared	71.7 in · 1,820 mm	73.2 in · 1,859 mm	—
Height declared	66.5 in · 1,690 mm	74.8 in · 1,900 mm	+12% U-650/651 M
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 M

Source

Source