WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1946–1950
  • 1,113 built

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

Güldner A 28 specs: hp, weight, years

Güldner 2F two-cylinder diesel. The manufacturer claimed 27.6 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

27.6 hp

20.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Güldner A 28”, 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
4,023 lb
Top speed
12.4 mph

Güldner A 28 specs: key facts

  • The Güldner A 28 was built from 1946 to 1950.

  • The Güldner A 28 has a claimed engine power (gross or net not stated) of 20.6 kW (27.6 hp); it has no measured PTO figure.

  • The Güldner A 28 is two-wheel drive (2WD).

  • The Güldner A 28 has a Güldner 2F engine, a 2-cylinder 2.60 L diesel unit.Source 2

  • The Güldner A 28 weighs 1,825 kg (4,023 lb) unladen.

  • The Güldner A 28 has a rear PTO running at 540 rpm.

Source · Traktorenlexikon, “Güldner A 28”

How does the A 28 compare with its class?

  • Strength:

    A maximum engine torque of 150 N·m is high for its class — 34% above the median of 112 N·m across the 60 machines within 10% of its power that hold this figure.

  • Limitation:

    Four forward gears is low for its class — 33% below the median of 6 across the 117 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 119 comparable records. How we work this out

Illustration of the 1946–1950 Güldner A 28, a 28 hp farm tractor, cab was optional — shown without it · colour not recorded — shown unpainted, a drawing generated from its specification record
Illustration — not a photograph · cab was optional — shown without it · colour not recorded — shown unpainted

How much horsepower does an A 28 have?

The only figure for the A 28 is 27.6 hp (20.6 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)
27.6 hp

Source · Traktorenlexikon, “Güldner A 28”

What engine is in an A 28?

An A 28 has a Güldner 2F, a 2-cylinder 2.60 L diesel engine.

Engine — A 28 engine specifications
Make & modelGüldner 2F
Cylinders2, liquid-cooledSource 1
Displacement158.5 ci · 2.60 L
Max torque110 lb·ft · 150 N·mSource 1

Source · Traktorenlexikon, “Güldner AF 30”

How much will an A 28 lift?

Hydraulic and PTO specifications for the A 28 are below.

Hydraulics & PTO — A 28 hydraulics and PTO specifications
Rear PTO540 rpm

Source · Traktorenlexikon, “Güldner A 28”

What transmission does an A 28 have?

Transmission specifications for the A 28 are below.

Transmission — A 28 transmission specifications
ClutchSingle-plate dry clutch
BrakesPedal operated internal shoe brake acting on the rear wheels
SteeringZF worm steering gear
Top speed12.4 mph · 20 km/h

Source · Traktorenlexikon, “Güldner A 28”

How much does an A 28 weigh?

An A 28 weighs 4,023 lb (1,825 kg) unladen.

Weights & dimensions — A 28 weights and dimensions
Unladen weight4,023 lb · 1,825 kg
Wheelbase70.5 in · 1,790 mm
Length115.0 in · 2,920 mm
Width64.6 in · 1,640 mm
Height66.1 in · 1,680 mm
Ground clearance13.0 in · 330 mm
Front track50.0–56.3 in · 1,270–1,430 mmthe article lists alternatives
Rear track50.0–58.3 in · 1,270–1,480 mmthe article lists alternatives

Source · Traktorenlexikon, “Güldner A 28”

What oil does an A 28 take, and how much?

An A 28 engine takes 9.5 qt (9 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

A 28 fluid capacities, grades and service intervals
SystemCapacity
Engine oil9.5 qt · 9 LSource: Traktorenlexikon, “Güldner A 28” · single source, not independently verified
Transmission0.5 qt · 1 LSource: Traktorenlexikon, “Güldner A 28” · single source, not independently verified
Cooling system33.8 qt · 32 LSource: Traktorenlexikon, “Güldner A 28” · single source, not independently verified

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

Which tractors compare with an A 28?

Within 10% of its 25 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 Güldner A 28

Is an A 28 two-wheel drive or four-wheel drive?

The Güldner A 28 is two-wheel drive (2WD).

What PTO does an A 28 have?

An A 28 has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Güldner AF 30”; and Traktorenlexikon, “Güldner A 28”.

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: Güldner A 28 — CC BY-SA 4.0, WIKIBOOKS-TL-43371 · revision 1078716. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Güldner AF 30 — CC BY-SA 4.0, WIKIBOOKS-TL-43369 · revision 901960. Wikibooks contributors (Traktorenlexikon). Original document