Fiat 540 Spezial (DT) vs Fiat 55-66 V/F (DT-V/F)

10 material differences · fewer than 12

Tractor one

Fiat 540 Spezial (DT)

1973–1980

No measured PTO figure

Tractor two

Fiat 55-66 V/F (DT-V/F)

1985–1992

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1973–1980; 1985–1992). 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

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

Fiat 540 Spezial (DT) and Fiat 55-66 V/F (DT-V/F), field by field
Field540 Spezial (DT)55-66 V/F (DT-V/F)Gap
Engine
Engine power, claimed claimed53.2 hp54.3 hp
Engine declaredFIAT-IVECO 8035.02.204FIAT-IVECO 8035.06.206 or 306differs
Displacement declared2.59 L2.71 L
Maximum torque declared124 lb·ft · 168 N·m128 lb·ft · 174 N·m
Transmission
Top speed declared15.5 mph · 25 km/h18.6 mph · 30 km/h+20% 55-66 V/F (DT-V/F)
Clutch declaredDry LuK double clutchDry Valeo or LuK double clutchdiffers
Hydraulics & hitch
Pump flow declared6.2 gpm · 23.6 L/min
Three-point lift at ends declared3,086 lb · 1,400 kg5,732 lb · 2,600 kg+86% 55-66 V/F (DT-V/F)
Rear PTO speeds declared540 rpm540/1000 rpmdiffers
Weight & dimensions
Unladen weight declared4,189 lb · 1,900 kg3,395 lb · 1,540 kg+23% 540 Spezial (DT)
Maximum permissible mass declared7,937 lb · 3,600 kg
Wheelbase declared75.6 in · 1,920 mm72.6 in · 1,845 mm
Length declared117.1 in · 2,975 mm113.6 in · 2,885 mm
Width declared68.5 in · 1,740 mm53.5 in · 1,360 mm+28% 540 Spezial (DT)
Height declared92.5 in · 2,350 mm79.1 in · 2,010 mm+17% 540 Spezial (DT)
Ground clearance declared18.9 in · 480 mm12.8 in · 325 mm+48% 540 Spezial (DT)
Turning radius, braked declared11.2 ft · 3.40 m
Fuel tank declared57.1 qt · 54.0 L52.8 qt · 50.0 L+8% 540 Spezial (DT)

Fiat 540 Spezial (DT) sources

Source
  • Source: Traktorenlexikon, “Fiat 540 Special/540 Special DT”

Fiat 55-66 V/F (DT-V/F) sources

Source
  • Source: Traktorenlexikon, “Fiat 55-66 V/F/55-66 V/F/DT”
  • Source: Traktorenlexikon, “Fiat 55-66/55-66 DT”