• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1982–1985

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-640 (DTC) 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 640”, 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
4,453 lb
3-point lift
3,461 lb
Hyd. flow
5.7 gpm
Top speed
14.9 mph

UTB U-640 (DTC) specs: key facts

  • The UTB U-640 (DTC) was built from 1982 to 1985.

  • The UTB U-640 (DTC) 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-640 (DTC) was offered in two-wheel-drive and four-wheel-drive versions.

  • The UTB U-640 (DTC) has a UTB D-121.050 engine, a 4-cylinder 3.60 L diesel unit.

  • The UTB U-640 (DTC) weighs 2,020 kg (4,453 lb) unladen.

  • The UTB U-640 (DTC) has a rear PTO running at 540 rpm.

  • The three-point hitch of the UTB U-640 (DTC) lifts 1,570 kg (3,461 lb) at the lower-link ends.

  • The hydraulic pump of the UTB U-640 (DTC) delivers 21.6 L/min (5.7 gpm).

Source · Traktorenlexikon, “UTB U 640”

How does the U-640 (DTC) compare with its class?

  • Limitation:

    A three-point lift at the lower links of 1,570 kg is low for its class — 35% below the median of 2,415 kg across the 299 machines within 10% of its power that hold this figure.

  • Limitation:

    A hydraulic pump flow of 21.6 L/min is low for its class — 40% below the median of 36 L/min across the 341 machines within 10% of its power that hold this figure.

  • Limitation:

    Eight forward gears is low for its class — 33% below the median of 12 across the 408 machines within 10% of its power that hold this figure.

  • Limitation:

    A 54 L fuel tank is low for its class — 28% below the median of 75.3 L across the 392 machines within 10% of its power that hold this figure.

  • Worth knowing:

    An unladen mass of 2,020 kg is low for its class — 27% below the median of 2,760 kg across the 413 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 413 comparable records. How we work this out

Illustration of the 1982–1985 UTB U-640 (DTC), a 63 hp farm tractor, four-wheel-drive version · colour not recorded — shown unpainted, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version · colour not recorded — shown unpainted

How much horsepower does an U-640 (DTC) have?

The only figure for the U-640 (DTC) 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.

Engine, claimed (gross/net not stated)
63.2 hp

Source · Traktorenlexikon, “UTB U 640”

What engine is in an U-640 (DTC)?

An U-640 (DTC) has a UTB D-121.050, a 4-cylinder 3.60 L diesel engine.

Engine — U-640 (DTC) engine specifications
Make & modelUTB D-121.050
Cylinders4, liquid-cooled
Displacement219.4 ci · 3.60 L
Max torque158 lb·ft · 214 N·m @ 1,259 rpm
Electrical system12 V

Source · Traktorenlexikon, “UTB U 640”

How much will an U-640 (DTC) lift, and what is its hydraulic flow?

An U-640 (DTC) lifts 3,461 lb (1,570 kg) at the lower-link ends of its Category 2 three-point hitch.

Hydraulics & PTO — U-640 (DTC) hydraulics and PTO specifications
Pump flow5.7 gpm · 21.6 L/min
Pressure2,973 psi · 205 bar
Hitch categoryCategory 2
Lift at ends3,461 lb · 1,570 kg
Rear PTO540 rpm @ 2,160 engine rpm
PTO shaft1 3/8" -6 splines

Source · Traktorenlexikon, “UTB U 640”

What transmission does an U-640 (DTC) have?

Transmission specifications for the U-640 (DTC) are below.

Transmission — U-640 (DTC) transmission specifications
SteeringMechanically operated GEMMER steering with hydraulic power assistance
Top speed14.9 mph · 24 km/h

Source · Traktorenlexikon, “UTB U 640”

How much does an U-640 (DTC) weigh?

An U-640 (DTC) weighs 4,453 lb (2,020 kg) unladen.

Weights & dimensions — U-640 (DTC) weights and dimensions
Unladen weight4,453 lb · 2,020 kgDT: 2,340
Wheelbase83.1 in · 2,110 mmDT: 2,080
Length137.0 in · 3,480 mm
Width70.1 in · 1,780 mm
Height77.6 in · 1,970 mm
Ground clearance18.5 in · 470 mmDT: 260
Front track52.0–79.5 in · 1,320–2,020 mmDT: 1,500
Rear track47.2–74.8 in · 1,200–1,900 mm
Turning radius, braked11.5 ft · 3.50 mDT: 4,250

Source · Traktorenlexikon, “UTB U 640”

What oil does an U-640 (DTC) take, and how much?

An U-640 (DTC) engine takes 10.6 qt (10.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

U-640 (DTC) fluid capacities, grades and service intervals
SystemCapacity
Engine oil10.6 qt · 10.0 LSource: Traktorenlexikon, “UTB U 640” · single source, not independently verified
Transmission16.9 qt · 16.0 LSource: Traktorenlexikon, “UTB U 640” · single source, not independently verified
Final drives3.7 qt · 3.5 LSource: Traktorenlexikon, “UTB U 640” · single source, not independently verified
Cooling system14.8 qt · 14.0 LSource: Traktorenlexikon, “UTB U 640” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with an U-640 (DTC)?

Within 10% of its 63.2 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the UTB U-640 (DTC)

Is an U-640 (DTC) two-wheel drive or four-wheel drive?

The UTB U-640 (DTC) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does an U-640 (DTC) have?

An U-640 (DTC) has a 540 rpm rear PTO on a 1 3/8" -6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “UTB U 640”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: UTB U 640 — CC BY-SA 4.0, WIKIBOOKS-TL-120649 · revision 1055433. Wikibooks contributors (Traktorenlexikon). Original document