Fiat 55-90 (DT) vs ZETOR 8641

12 material differences

Tractor one

Fiat 55-90 (DT)

1984–1992

No measured PTO figure

Tractor two

ZETOR 8641

1999–2002

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (58%); they were not built in overlapping years (1984–1992; 1999–2002). 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

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

Fiat 55-90 (DT) and ZETOR 8641, field by field
Field55-90 (DT)8641Gap
Engine
Engine power, claimed claimed54.3 hp79.9 hp+47% 8641
Engine declaredFIAT-IVECO 8035.06.200 or (300)ZETOR Z-1203differs
Displacement declared2.71 L4.16 L+53% 8641
Maximum torque declared129 lb·ft · 175 N·m230 lb·ft · 312 N·m+78% 8641
Transmission
Top speed declared18.6–24.9 mph · 30–40 km/h18.6–24.9 mph · 30–40 km/h
Clutch declaredDry Valeo, O.M.G. or LuK double clutchPedal-operated dry Zetor single-disc clutchdiffers
Hydraulics & hitch
Pump flow declared15.1 gpm · 57.0 L/min
Pressure declared1,813 psi · 125 bar
Three-point lift at ends declared5,324 lb · 2,415 kg12,456 lb · 5,650 kg+134% 8641
Rear PTO speeds declared540/1000 rpm540/1000 rpm
Weight & dimensions
Unladen weight declared6,129 lb · 2,780 kg9,678 lb · 4,390 kg+58% 8641
Maximum permissible mass declared14,771 lb · 6,700 kg
Wheelbase declared87.7 in · 2,227 mm94.0 in · 2,388 mm+7% 8641
Length declared147.0 in · 3,733 mm189.6 in · 4,815 mm+29% 8641
Width declared67.3 in · 1,710 mm80.7 in · 2,050 mm+20% 8641
Height declared98.8 in · 2,510 mm106.9 in · 2,715 mm+8% 8641
Ground clearance declared17.5 in · 445 mm13.4 in · 340 mm+31% 55-90 (DT)
Turning radius, braked declared11.4 ft · 3.46 m
Fuel tank declared98.3 qt · 93.0 L190.2 qt · 180.0 L+94% 8641

Fiat 55-90 (DT) sources

Source
  • Source: Traktorenlexikon, “Fiatagri 55-90/55-90 DT”

ZETOR 8641 sources

Source
  • Source: Traktorenlexikon, “Zetor 8641 (1999-2002)”