15 material differences

Tractor oneJohn Deere 5425 (A)2005–2008No measured PTO figureTractor twoZETOR 86411999–2002No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (42%); they were not built in overlapping years (2005–2008; 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

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

John Deere 5425 (A) and ZETOR 8641, field by field
Field5425 (A)8641Gap
Engine
Engine power, claimed claimed79.9 hp79.9 hp—
Engine declaredJohn Deere-PowerTech 4.045 T 40ZETOR Z-1203differs
Displacement declared4.52 L4.16 L+9% 5425 (A)
Maximum torque declared208 lb·ft · 282 N·m230 lb·ft · 312 N·m+11% 8641
Transmission
Top speed declared18.6–24.9 mph · 30–40 km/h18.6–24.9 mph · 30–40 km/h—
Clutch declaredPedal operated dry double clutchPedal-operated dry Zetor single-disc clutchdiffers
Hydraulics & hitch
Hydraulic centre declaredOpen centre——
Pump flow declared18.7 gpm · 70.8 L/min15.1 gpm · 57.0 L/min+24% 5425 (A)
Pressure declared3,408 psi · 235 bar1,813 psi · 125 bar+88% 5425 (A)
Three-point lift, at the coupling points declared4,685 lb · 2,125 kg12,456 lb · 5,650 kg+166% 8641
Rear PTO speeds declared540 rpm540/1000 rpmdiffers
Weight & dimensions
Unladen weight declared6,799 lb · 3,084 kg9,678 lb · 4,390 kg+42% 8641
Maximum permissible mass declared—14,771 lb · 6,700 kg—
Wheelbase declared85.7 in · 2,178 mm94.0 in · 2,388 mm+10% 8641
Length declared151.5 in · 3,848 mm189.6 in · 4,815 mm+25% 8641
Width declared74.1 in · 1,882 mm80.7–89.6 in · 2,050–2,275 mmdiffers
Height, over the cab declared98.6 in · 2,504 mm106.9 in · 2,715 mm+8% 8641
Ground clearance declared18.5 in · 470 mm13.4 in · 340 mm+38% 5425 (A)
Turning radius, braked declared10.2 ft · 3.10 m——
Fuel tank declared100.0 qt · 94.6 L190.2 qt · 180.0 L+90% 8641

John Deere 5425 (A) sources

Source
  • Source: Traktorenlexikon, “John Deere 5425”

ZETOR 8641 sources

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