• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1961–1962
  • 1,445 built

WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

MAN 4R3 specs: hp, weight, years

MAN D 8614 M 1/2/3 four-cylinder diesel. The manufacturer claimed 44.1 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

44.1 hp

32.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “MAN 4R3”, 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
5,512 lb
Top speed
11.9–16.8 mph

MAN 4R3 specs: key facts

  • The MAN 4R3 was built from 1961 to 1962.

  • The MAN 4R3 has a claimed engine power (gross or net not stated) of 32.9 kW (44.1 hp); it has no measured PTO figure.

  • The MAN 4R3 is four-wheel drive (4WD).

  • The MAN 4R3 has a MAN D 8614 M 1/2/3 engine, a 4-cylinder 2.56 L diesel unit.

  • The MAN 4R3 weighs 2,500 kg (5,512 lb) unladen.

  • The MAN 4R3 has a rear PTO running at 540/1000 rpm.

Source · Traktorenlexikon, “MAN 4R3”

Illustration of the 1961–1962 MAN 4R3, a 44 hp farm tractor, colour not recorded — shown unpainted · operator station not recorded — shown as an open platform, a drawing generated from its specification record
Illustration — not a photograph · colour not recorded — shown unpainted · operator station not recorded — shown as an open platform

How much horsepower does a 4R3 have?

The only figure for the 4R3 is 44.1 hp (32.9 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)
44.1 hp

Source · Traktorenlexikon, “MAN 4R3”

What engine is in a 4R3?

A 4R3 has an MAN D 8614 M 1/2/3, a 4-cylinder 2.56 L diesel engine.

Engine — 4R3 engine specifications
Make & modelMAN D 8614 M 1/2/3
Cylinders4, liquid-cooled
Displacement156.2 ci · 2.56 L
InjectionDirect injection

Source · Traktorenlexikon, “MAN 4R3”

How much will a 4R3 lift?

Hydraulic and PTO specifications for the 4R3 are below.

Hydraulics & PTO — 4R3 hydraulics and PTO specifications
Hitch categoryCategory 2
Rear PTO540/1000 rpm
PTO shaft29/35 mm = 1 3/8" SAE 6 B Spline

Source · Traktorenlexikon, “MAN 4R3”

What transmission does a 4R3 have?

Transmission specifications for the 4R3 are below.

Transmission — 4R3 transmission specifications
Top speed11.9–16.8 mph · 19.1–27.0 km/h

Source · Traktorenlexikon, “MAN 4R3”

How much does a 4R3 weigh?

A 4R3 weighs 5,512 lb (2,500 kg) unladen.

Weights & dimensions — 4R3 weights and dimensions
Unladen weight5,512 lb · 2,500 kg
Maximum permissible mass7,716 lb · 3,500 kg
Maximum front axle load2,315 lb · 1,050 kg
Maximum rear axle load5,512 lb · 2,500 kg
Wheelbase81.5 in · 2,070 mm
Length129.9 in · 3,300 mm
Width73.4 in · 1,865 mm
Height59.3 in · 1,505 mm
Ground clearance15.7 in · 400 mm
Front track53.9–63.8 in · 1,370–1,620 mmthe article lists alternatives
Rear track59.1–68.9 in · 1,500–1,750 mmthe article lists alternatives
Turning radius, braked11.5 ft · 3.50 m

Source · Traktorenlexikon, “MAN 4R3”

What oil does a 4R3 take, and how much?

A 4R3 engine takes 7.4 qt (7 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

4R3 fluid capacities, grades and service intervals
SystemCapacity
Engine oil7.4 qt · 7 LSource: Traktorenlexikon, “MAN 4R3” · single source, not independently verified
Transmission29.6 qt · 28 LSource: Traktorenlexikon, “MAN 4R3” · single source, not independently verified
Cooling system14.8 qt · 14 LSource: Traktorenlexikon, “MAN 4R3” · single source, not independently verified

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

Which tractors compare with a 4R3?

Within 10% of its 44 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the MAN 4R3

Is a 4R3 two-wheel drive or four-wheel drive?

The MAN 4R3 is four-wheel drive (4WD).

What PTO does a 4R3 have?

A 4R3 has a 540/1000 rpm rear PTO on a 29/35 mm = 1 3/8" SAE 6 B Spline shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “MAN 4R3”.

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: MAN 4R3 — CC BY-SA 4.0, WIKIBOOKS-TL-34659 · revision 1020419. Wikibooks contributors (Traktorenlexikon). Original document