13 material differences

Tractor oneFord 4630 (A)1990–1999No measured PTO figureTractor twoZETOR Proxima 6421/64412004–2007No measured PTO figure

Which should you choose?

Read our verdict on the 4630 (A) and the Proxima 6421/6441 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Ford 4630 (A) and ZETOR Proxima 6421/6441, field by field
Field	4630 (A)	Proxima 6421/6441	Gap
Engine
Engine power, claimed claimed	60.2 hp	60.2 hp	—
Engine declared	Ford D 201 CID-NA	Zetor Z-7204 or Z-7205 (Tier-II or III)	differs
Displacement declared	3.29 L	4.16 L	+26% Proxima 6421/6441
Maximum torque declared	162 lb·ft · 220 N·m	186 lb·ft · 252 N·m	+15% Proxima 6421/6441
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	18.6–24.9 mph · 30–40 km/h	—
Clutch declared	Pedal-operated dry AP single-disc clutch	—	—
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Pump flow declared	7.8 gpm · 29.5 L/min	12.2 gpm · 46.3 L/min	+57% Proxima 6421/6441
Pressure declared	2,857 psi · 197 bar	3,046 psi · 210 bar	+7% Proxima 6421/6441
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	6,151 lb · 2,790 kg	6,900 lb · 3,130 kg	+12% Proxima 6421/6441
Maximum permissible mass declared	—	11,905 lb · 5,400 kg	—
Wheelbase declared	84.5 in · 2,146 mm	91.4 in · 2,321 mm	+8% Proxima 6421/6441
Length declared	138.6 in · 3,521 mm	189.1 in · 4,803 mm	+36% Proxima 6421/6441
Width declared	68.3–96.7 in · 1,735–2,457 mm	78.3–88.6 in · 1,990–2,250 mm	differs
Height, over the cab declared	97.8 in · 2,485 mm	105.3 in · 2,675 mm	+8% Proxima 6421/6441
Ground clearance declared	14.8 in · 375 mm	20.5 in · 520 mm	+39% Proxima 6421/6441
Turning radius, braked declared	—	11.8 ft · 3.60 m	—
Fuel tank declared	69.4 qt · 65.7 L	126.8 qt · 120.0 L	+83% Proxima 6421/6441

Source

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