- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1974–1981
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
U.T.B SR Rumänien U-550 (DT) specs: hp, weight, years
UTB D-121 four-cylinder diesel. The manufacturer claimed 51.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
51.4 hp
38.3 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “UTB U 550”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 5,104 lb
- 3-point lift
- 3,461 lb
- Hyd. flow
- 5.3 gpm
- Top speed
- 14.3 mph
U.T.B SR Rumänien U-550 (DT) specs: key facts
The U.T.B SR Rumänien U-550 (DT) was built from 1974 to 1981.
The U.T.B SR Rumänien U-550 (DT) has a claimed engine power (gross or net not stated) of 38.3 kW (51.4 hp); it has no measured PTO figure.
The U.T.B SR Rumänien U-550 (DT) was offered in two-wheel-drive and four-wheel-drive versions.
The U.T.B SR Rumänien U-550 (DT) has a UTB D-121 engine, a 4-cylinder 3.12 L diesel unit.
The U.T.B SR Rumänien U-550 (DT) weighs 2,315 kg (5,104 lb) unladen.
The U.T.B SR Rumänien U-550 (DT) has a rear PTO running at 540 rpm.
The three-point hitch of the U.T.B SR Rumänien U-550 (DT) lifts 1,570 kg (3,461 lb) at the lower-link ends.
The hydraulic pump of the U.T.B SR Rumänien U-550 (DT) delivers 20.0 L/min (5.3 gpm).
Source · Traktorenlexikon, “UTB U 550”
How much horsepower does an U-550 (DT) have?
The only figure for the U-550 (DT) is 51.4 hp (38.3 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “UTB U 550”
What engine is in an U-550 (DT)?
An U-550 (DT) has a UTB D-121, a 4-cylinder 3.12 L diesel engine.
| Make & model | UTB D-121 |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 190.3 ci · 3.12 L |
| Max torque | 131 lb·ft · 177 N·m @ 1,500 rpm |
| Injection | Direct injection method, C.A.V. inline injection pump, C.A.V. multi-hole nozzle |
| Electrical system | 12 V |
Source · Traktorenlexikon, “UTB U 550”
How much will an U-550 (DT) lift, and what is its hydraulic flow?
An U-550 (DT) lifts 3,461 lb (1,570 kg) at the lower-link ends of its Category 2 three-point hitch.
| Pump flow | 5.3 gpm · 20.0 L/min |
|---|---|
| Pressure | 2,973 psi · 205 bar |
| Hitch category | Category 2 |
| Lift at ends | 3,461 lb · 1,570 kg |
| Rear PTO | 540 rpm @ 1,967 engine rpm |
Source · Traktorenlexikon, “UTB U 550”
What transmission does an U-550 (DT) have?
Transmission specifications for the U-550 (DT) are below.
| Clutch | Dry UTB double clutch, pedal-operated driving clutch and hand lever-operated PTO clutch |
|---|---|
| Steering | Mechanically operated worm-and-roller steering with hydraulic power assistance |
| Top speed | 14.3 mph · 23 km/h |
Source · Traktorenlexikon, “UTB U 550”
How much does an U-550 (DT) weigh?
An U-550 (DT) weighs 5,104 lb (2,315 kg) unladen.
| Unladen weight | 5,104 lb · 2,315 kgDT: 2,330 |
|---|---|
| Maximum permissible mass | 8,378 lb · 3,800 kg |
| Maximum front axle load | 2,734 lb · 1,240 kg |
| Maximum rear axle load | 5,291 lb · 2,400 kg |
| Wheelbase | 81.1 in · 2,060 mmDT: 1,990 |
| Length | 141.7 in · 3,600 mm |
| Width | 70.1 in · 1,780 mm |
| Height | 89.4 in · 2,270 mm |
| Ground clearance | 18.5 in · 470 mmDT: 260 |
| Front track | 52.0–79.3 in · 1,320–2,015 mmDT: 1,430/1,540; the article lists alternatives |
| Rear track | 47.2–74.8 in · 1,200–1,900 mm |
| Turning radius, braked | 10.7 ft · 3.25 mDT: 5,012 |
Source · Traktorenlexikon, “UTB U 550”
What oil does an U-550 (DT) take, and how much?
An U-550 (DT) engine takes 10.6 qt (10.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 10.6 qt · 10.0 LSource: Traktorenlexikon, “UTB U 550” · single source, not independently verified |
| Transmission | 16.9 qt · 16.0 LSource: Traktorenlexikon, “UTB U 550” · single source, not independently verified |
| Final drives | 3.7 qt · 3.5 LSource: Traktorenlexikon, “UTB U 550” · single source, not independently verified |
| Cooling system | 14.8 qt · 14.0 LSource: Traktorenlexikon, “UTB U 550” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with an U-550 (DT)?
Within 10% of its 51.4 hp of claimed engine power, the same type, and first built within 15 years of it.
- Renault 55-12V51.4 hp engine, claimed · 1986–1999Side by side with the U-550 (DT) →
- Renault 55-12 LB51.4 hp engine, claimed · 1987–1998Side by side with the U-550 (DT) →
- Renault 55-14 LB51.4 hp engine, claimed · 1987–1998Side by side with the U-550 (DT) →
- Hürlimann T-5100 (A)51.2 hp engine, claimed · 1977–1978Side by side with the U-550 (DT) →
- Hürlimann T-5200 (A)51.2 hp engine, claimed · 1977–1979Side by side with the U-550 (DT) →
- SAME Condor (DT)51.2 hp engine, claimed · 1978–1982Side by side with the U-550 (DT) →
Common questions about the U.T.B SR Rumänien U-550 (DT)
Is an U-550 (DT) two-wheel drive or four-wheel drive?
The U.T.B SR Rumänien U-550 (DT) was offered in two-wheel-drive and four-wheel-drive versions.
What PTO does an U-550 (DT) have?
An U-550 (DT) has a 540 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “UTB U 550”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: UTB U 550 — CC BY-SA 4.0, WIKIBOOKS-TL-88168 · revision 1055458. Wikibooks contributors (Traktorenlexikon). Original document