WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Standard-size
  • Not independently tested
  • 1950–1954
  • 6,130 built

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

We looked and the record does not say what this machine is. How we decide what a machine is

Nuffield DM-4 Full specifications

PERKINS P-4 four-cylinder diesel. The manufacturer claimed 44.9 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

44.9 hp

33.5 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”, claimed

Weight
4,996 lb
Hyd. flow
7.2 gpm
Top speed
17.4 mph

Nuffield DM-4 specs: key facts

  • The Nuffield DM-4 was built from 1950 to 1954.

  • The Nuffield DM-4 has a claimed engine power (gross or net not stated) of 33.5 kW (44.9 hp); it has no measured PTO figure.

  • The Nuffield DM-4 is two-wheel drive (2WD).

  • The Nuffield DM-4 has a PERKINS P-4 engine, a 4-cylinder 3.15 L diesel unit.

  • The Nuffield DM-4 weighs 2,266 kg (4,996 lb) unladen.

  • The Nuffield DM-4 has a dependent rear PTO running at 540 rpm.

  • The hydraulic pump of the Nuffield DM-4 delivers 27.3 L/min (7.2 gpm).

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

How much horsepower does a DM-4 have?

The only figure for the DM-4 is 44.9 hp (33.5 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)
44.9 hp

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

What engine is in a DM-4?

A DM-4 has a PERKINS P-4, a 4-cylinder 3.15 L diesel engine.

Engine — DM-4 engine specifications
Make & modelPERKINS P-4
Cylinders4, liquid-cooled
Displacement192.4 ci · 3.15 L
Max torque130 lb·ft · 176 N·m @ 1,300 rpm

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

How much will a DM-4 lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the DM-4 are below.

Hydraulics & PTO — DM-4 hydraulics and PTO specifications
Pump flow7.2 gpm · 27.3 L/min
Rear PTODependent, transmission-driven, 540 rpm

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

What transmission does a DM-4 have?

Transmission specifications for the DM-4 are below.

Transmission — DM-4 transmission specifications
SteeringMechanical recirculating ball steering
Top speed17.4 mph · 28 km/h

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

How much does a DM-4 weigh?

A DM-4 weighs 4,996 lb (2,266 kg) unladen.

Weights & dimensions — DM-4 weights and dimensions
Unladen weight4,996 lb · 2,266 kg
Wheelbase78.0 in · 1,981 mm
Length121.5 in · 3,086 mm
Width69.0 in · 1,753 mm
Height80.7 in · 2,051 mm
Ground clearance17.0 in · 432 mm
Front track52.8–71.3 in · 1,340–1,810 mm
Rear track53.0–77.0 in · 1,346–1,956 mm

Source · Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”

Which tractors compare with a DM-4?

Within 10% of its 44.9 hp of claimed engine power, the same type, and first built within 15 years of it.

Everything else people ask

Is a DM-4 two-wheel drive or four-wheel drive?

The Nuffield DM-4 is two-wheel drive (2WD).

What PTO does a DM-4 have?

A DM-4 has a dependent 540 rpm rear PTO.

Where this page comes from

Compiled from Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”.

Last verified

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Sources

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

  1. Traktorenlexikon: Nuffield Universal DM 4 / Diesel (1950-1954) — CC BY-SA 4.0, WIKIBOOKS-TL-116024 · revision 993276. Wikibooks contributors (Traktorenlexikon). Original document