11 material differences · fewer than 12

Tractor oneRenault 55-12 LB1987–1998No measured PTO figureTractor twoU.T.B SR Rumänien U-550 (DT)1974–1981No measured PTO figure

Which should you choose?

Read our verdict on the 55-12 LB and the U-550 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Renault 55-12 LB and U.T.B SR Rumänien U-550 (DT), field by field
Field	55-12 LB	U-550 (DT)	Gap
Engine
Engine power, claimed claimed	51.4 hp	51.4 hp	—
Engine declared	KLÖCKNER-HUMBOLD-DEUTZ F3L 912	UTB D-121	differs
Displacement declared	2.83 L	3.12 L	+10% U-550 (DT)
Maximum torque declared	122 lb·ft · 166 N·m	131 lb·ft · 177 N·m	+7% U-550 (DT)
Transmission
Top speed declared	18.6 mph · 30 km/h	14.3 mph · 23 km/h	+30% 55-12 LB
Clutch declared	Dry OMG double clutch	Dry UTB double clutch, pedal-operated driving clutch and hand lever-operated PTO clutch	differs
Hydraulics & hitch
Pump flow declared	11.1 gpm · 42.1 L/min	5.3 gpm · 20.0 L/min	+111% 55-12 LB
Pressure declared	—	2,973 psi · 205 bar	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	4,608 lb · 2,090 kg	5,104 lb · 2,315 kg	+11% U-550 (DT)
Maximum permissible mass declared	10,141 lb · 4,600 kg	8,378 lb · 3,800 kg	+21% 55-12 LB
Wheelbase declared	78.0 in · 1,980 mm	81.1 in · 2,060 mm	—
Length declared	139.0 in · 3,530 mm	141.7 in · 3,600 mm	—
Width declared	64.8–88.4 in · 1,645–2,245 mm	70.1 in · 1,780 mm	differs
Height, over the cab declared	89.8 in · 2,280 mm	89.4 in · 2,270 mm	—
Ground clearance declared	14.6 in · 370 mm	18.5 in · 470 mm	+27% U-550 (DT)
Turning radius, braked declared	11.0 ft · 3.35 m	10.7 ft · 3.25 m	—
Fuel tank declared	65.5 qt · 62.0 L	57.1 qt · 54.0 L	+15% 55-12 LB

Source

Source