International Harvester 574 vs ZETOR 5511/5545

11 material differences · fewer than 12

Tractor one

International Harvester 574

1970–1975

No measured PTO figure

Tractor two

ZETOR 5511/5545

1966–1972

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because the drive differs (2WD; 2WD / 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

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

International Harvester 574 and ZETOR 5511/5545, field by field
Field5745511/5545Gap
Engine
Engine power, claimed claimed65.0 hp51.2 hp+27% 574
Engine declaredINTERNATIONAL-HARVESTER D-239ZETOR Z-5501differs
Displacement declared3.91 L3.12 L+25% 574
Maximum torque declared153 lb·ft · 207 N·m133 lb·ft · 180 N·m+15% 574
Transmission
Top speed declared15.5–18.6 mph · 25–30 km/h18.6 mph · 30 km/hdiffers
Clutch declaredpedal-operated dry single-disc clutchPedal operated dry two-stage double clutch with mechanical boosterdiffers
Hydraulics & hitch
Pump flow declared11.4–12.6 gpm · 43.1–47.7 L/min5.3 gpm · 20.0 L/mindiffers
Pressure declared2,134 psi · 147 bar
Three-point lift at ends declared3,968 lb · 1,800 kg3,594 lb · 1,630 kg+10% 574
Rear PTO speeds declared540/1000 rpm540 rpmdiffers
Weight & dimensions
Unladen weight declared5,163 lb · 2,342 kg5,388 lb · 2,444 kg
Wheelbase declared85.0 in · 2,160 mm88.9 in · 2,257 mm
Length declared139.0 in · 3,531 mm146.1 in · 3,710 mm
Width declared69.0 in · 1,753 mm72.2 in · 1,833 mm
Height declared86.5 in · 2,197 mm63.8 in · 1,620 mm+36% 574
Ground clearance declared16.0 in · 406 mm16.5 in · 420 mm
Turning radius, braked declared9.0 ft · 2.74 m11.0 ft · 3.34 m+22% 5511/5545
Fuel tank declared81.7 qt · 77.3 L74.0 qt · 70.0 L+10% 574

International Harvester 574 sources

Source
  • Source: Traktorenlexikon, “IHC 574”
  • Source: Traktorenlexikon, “IHC 574 (USA)”

ZETOR 5511/5545 sources

Source
  • Source: Traktorenlexikon, “Zetor 5511”