Steyr 964 (a) vs UTB U-643 DT

10 material differences · fewer than 12

Tractor one

1992–1997

No measured PTO figure

Tractor two

1988–2004

No measured PTO figure

Which should you choose?

Read our verdict on the 964 (a) and the U-643 DT → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 6 fields identical or within 5%, which is not counted as material

Steyr 964 (a) and UTB U-643 DT, field by field
Field	964 (a)	U-643 DT	Gap
Engine
Engine power, claimed claimed	63.2 hp	63.2 hp	—
Engine declared	Steyr WD 301.82 or WD 301.83	UTB D-121.050	differs
Displacement declared	3.12 L	3.60 L	+15% U-643 DT
Maximum torque declared	186 lb·ft · 252 N·m	158 lb·ft · 214 N·m	+18% 964 (a)
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	15.5 mph · 25 km/h	differs
Clutch declared	Dry Fichtel & Sachs double clutch	Dry UTB double clutch	differs
Hydraulics & hitch
Hydraulic centre declared	Open centre	—	—
Pump flow declared	11.2 gpm · 42.3 L/min	9.0 gpm · 34.0 L/min	+24% 964 (a)
Pressure declared	3,481 psi · 240 bar	2,031 psi · 140 bar	+71% 964 (a)
Three-point lift at ends declared	6,437 lb · 2,920 kg	—	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	6,261 lb · 2,840 kg	6,889 lb · 3,125 kg	+10% U-643 DT
Maximum permissible mass declared	9,921 lb · 4,500 kg	—	—
Wheelbase declared	87.0 in · 2,209 mm	89.4 in · 2,270 mm	—
Length declared	146.1 in · 3,710 mm	148.4 in · 3,770 mm	—
Width declared	81.5 in · 2,070 mm	72.4 in · 1,839 mm	+13% 964 (a)
Height declared	95.5 in · 2,425 mm	98.4 in · 2,500 mm	—
Ground clearance declared	17.5 in · 445 mm	12.6 in · 320 mm	+39% 964 (a)
Turning radius, braked declared	11.9 ft · 3.64 m	—	—
Fuel tank declared	66.6 qt · 63.0 L	65.5 qt · 62.0 L	—

Source

Source