- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1988–2004
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
UTB U-643 DT specs: hp, weight, years
UTB D-121.050 four-cylinder diesel. The manufacturer claimed 63.2 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
63.2 hp
47.1 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “UTB U 643 DT”, 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
- 6,889 lb
- Hyd. flow
- 9.0 gpm
- Top speed
- 15.5 mph
UTB U-643 DT specs: key facts
The UTB U-643 DT was built from 1988 to 2004.
The UTB U-643 DT has a claimed engine power (gross or net not stated) of 47.1 kW (63.2 hp); it has no measured PTO figure.
The UTB U-643 DT is four-wheel drive (4WD).
The UTB U-643 DT has a UTB D-121.050 engine, a 4-cylinder 3.60 L diesel unit.Source 1
The UTB U-643 DT weighs 3,125 kg (6,889 lb) unladen.
The UTB U-643 DT has a rear PTO running at 540/1000 rpm.
The hydraulic pump of the UTB U-643 DT delivers 34.0 L/min (9.0 gpm).
Source · Traktorenlexikon, “UTB U 643 DT”
How much horsepower does an U-643 DT have?
The only figure for the U-643 DT is 63.2 hp (47.1 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “UTB U 643 DT”
What engine is in an U-643 DT?
An U-643 DT has a UTB D-121.050, a 4-cylinder 3.60 L diesel engine.
| Make & model | UTB D-121.050Source 1 |
|---|---|
| Cylinders | 4, liquid-cooledSource 1 |
| Displacement | 219.4 ci · 3.60 LSource 1 |
| Max torque | 158 lb·ft · 214 N·m @ 1,200 rpm |
| Injection | Direct injection |
| Electrical system | 12 V |
Source · Traktorenlexikon, “UTB U 643 DT”
How much will an U-643 DT lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the U-643 DT are below.
| Pump flow | 9.0 gpm · 34.0 L/min |
|---|---|
| Pressure | 2,031 psi · 140 bar |
| Hitch category | Category 2 |
| Rear PTO | 540/1000 rpm @ 2,160 engine rpm |
Source · Traktorenlexikon, “UTB U 643 DT”
What transmission does an U-643 DT have?
Transmission specifications for the U-643 DT are below.
| Clutch | Dry UTB double clutch |
|---|---|
| Top speed | 15.5 mph · 25 km/h |
Source · Traktorenlexikon, “UTB U 643 DT”
How much does an U-643 DT weigh?
An U-643 DT weighs 6,889 lb (3,125 kg) unladen.
| Unladen weight | 6,889 lb · 3,125 kg |
|---|---|
| Wheelbase | 89.4 in · 2,270 mm |
| Length | 148.4 in · 3,770 mm |
| Width | 72.4–91.7 in · 1,839–2,329 mm |
| Height | 98.4 in · 2,500 mm |
| Ground clearance | 12.6 in · 320 mm |
| Front track | 54.3 in · 1,380 mm |
| Rear track | 59.4 in · 1,510 mm |
Source · Traktorenlexikon, “UTB U 643 DT”
What oil does an U-643 DT take, and how much?
An U-643 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 643 DT” · single source, not independently verified |
| Hydraulic | 35.9 qt · 34.0 LSource: Traktorenlexikon, “UTB U 643 DT” · single source, not independently verified |
| Front axle | 2.1 qt · 2.0 LSource: Traktorenlexikon, “UTB U 643 DT” · single source, not independently verified |
| Final drives | 2.1 qt · 2.0 LSource: Traktorenlexikon, “UTB U 643 DT” · single source, not independently verified |
| Cooling system | 14.8 qt · 14.0 LSource: Traktorenlexikon, “UTB U 643 DT” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with an U-643 DT?
Within 10% of its 63.2 hp of claimed engine power, the same type, and first built within 15 years of it.
- Steyr 964 (a)63.2 hp engine, claimed · 1992–1997Side by side with the U-643 DT →
- Steyr 8075 (a)63.2 hp engine, claimed · 1983–1993Side by side with the U-643 DT →
- UTB U-640 (DTC)63.2 hp engine, claimed · 1982–1985Side by side with the U-643 DT →
- Case-IH C-64 (A)63.2 hp engine, claimed · 1995–1997Side by side with the U-643 DT →
- John Deere 5310 (A)63.2 hp engine, claimed · 1997–2000Side by side with the U-643 DT →
- ZETOR 5321/5341 Super63.2 hp engine, claimed · 1997–2004Side by side with the U-643 DT →
Common questions about the UTB U-643 DT
Is an U-643 DT two-wheel drive or four-wheel drive?
The UTB U-643 DT is four-wheel drive (4WD).
What PTO does an U-643 DT have?
An U-643 DT has a 540/1000 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “UTB U 640”; and Traktorenlexikon, “UTB U 643 DT”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: UTB U 640 — CC BY-SA 4.0, WIKIBOOKS-TL-120649 · revision 1055433. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: UTB U 643 DT — CC BY-SA 4.0, WIKIBOOKS-TL-120746 · revision 1056495. Wikibooks contributors (Traktorenlexikon). Original document