13 material differences

Tractor oneFiat 45-66 (DT)1992–1996No measured PTO figureTractor twoUTB U-453 DT1988–2004No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (48%); the drive differs (Two-wheel or four-wheel drive; 4WD). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

13 material differences · 2 fields identical or within 5%, which is not counted as material

Fiat 45-66 (DT) and UTB U-453 DT, field by field
Field	45-66 (DT)	U-453 DT	Gap
Engine
Engine power, claimed claimed	44.4 hp	44.4 hp	—
Engine declared	Fiat 8035.06	UTB D-115.000	differs
Displacement declared	2.71 L	2.40 L	+13% 45-66 (DT)
Maximum torque declared	107 lb·ft · 144.6 N·m	97 lb·ft · 132 N·m	+10% 45-66 (DT)
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	15.5 mph · 25 km/h	differs
Clutch declared	—	Dry UTB double clutch	—
Hydraulics & hitch
Pump flow declared	9.1 gpm · 34.5 L/min	9.0 gpm · 34.0 L/min	—
Pressure declared	3,118 psi · 215 bar	2,031 psi · 140 bar	+54% 45-66 (DT)
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	4,321 lb · 1,960 kg	6,393 lb · 2,900 kg	+48% U-453 DT
Wheelbase declared	78.7 in · 1,999 mm	83.9 in · 2,130 mm	+7% U-453 DT
Length declared	127.6 in · 3,240 mm	141.1 in · 3,585 mm	+11% U-453 DT
Width declared	60.6–84.3 in · 1,540–2,140 mm	70.4–90.1 in · 1,788–2,288 mm	differs
Height, over the cab declared	89.4 in · 2,270 mm	94.5 in · 2,400 mm	+6% U-453 DT
Ground clearance declared	14.8 in · 375 mm	9.1 in · 230 mm	+63% 45-66 (DT)
Fuel tank declared	44.4 qt · 42.0 L	65.5 qt · 62.0 L	+48% U-453 DT

Fiat 45-66 (DT) sources

Source

Source: Traktorenlexikon, “Fiatagri 45-66S/45-66 DTS”

UTB U-453 DT sources