10 material differences · fewer than 12

95401992–1999No measured PTO figure

Which should you choose?

Read our verdict on the 903/903-4 and the 9520/9540 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

VALMET 903/903-4 and ZETOR 9520/9540, field by field
Field	903/903-4	9520/9540	Gap
Engine
Engine power, claimed claimed	92.7 hp	92.7 hp	—
Engine declared	VALMET 411 CS	ZBROJOVKA Z-1001	differs
Displacement declared	4.40 L	4.16 L	+6% 903/903-4
Maximum torque declared	236 lb·ft · 320 N·m	275 lb·ft · 373 N·m	+17% 9520/9540
Transmission
Top speed declared	18.6 mph · 30 km/h	18.6–24.9 mph · 30–40 km/h	differs
Clutch declared	—	Pedal-operated dry single-disc clutch	—
Hydraulics & hitch
Pump flow declared	11.4 gpm · 43.0 L/min	11.3 gpm · 42.9 L/min	—
Pressure declared	—	3,046 psi · 210 bar	—
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	8,047 lb · 3,650 kg	8,157 lb · 3,700 kg	—
Maximum permissible mass declared	—	16,535 lb · 7,500 kg	—
Wheelbase declared	91.7 in · 2,330 mm	93.5 in · 2,375 mm	—
Length declared	153.7 in · 3,905 mm	165.0 in · 4,190 mm	+7% 9520/9540
Width declared	77.6 in · 1,972 mm	76.8–88.6 in · 1,950–2,250 mm	differs
Height, over the cab declared	98.4 in · 2,499 mm	104.1 in · 2,645 mm	+6% 9520/9540
Ground clearance declared	18.1 in · 460 mm	13.9 in · 352 mm	+31% 903/903-4
Turning radius, braked declared	12.5 ft · 3.82 m	12.2 ft · 3.73 m	—
Fuel tank declared	95.1 qt · 90.0 L	111.0 qt · 105.0 L	+17% 9520/9540

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