WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1948–1951

It sits on the utility/standard-size boundary, so either size is a fair description. 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 AF 30 specs: hp, weight, years

Güldner 2F two-cylinder diesel. The manufacturer claimed 30 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

30 hp

22 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Güldner AF 30”, 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
4,497 lb
Top speed
12.4 mph

Güldner AF 30 specs: key facts

  • The Güldner AF 30 was built from 1948 to 1951.

  • The Güldner AF 30 has a claimed engine power (gross or net not stated) of 22 kW (30 hp); it has no measured PTO figure.

  • The Güldner AF 30 is two-wheel drive (2WD).

  • The Güldner AF 30 has a Güldner 2F engine, a 2-cylinder 2.60 L diesel unit.

  • The Güldner AF 30 weighs 2,040 kg (4,497 lb) unladen.

  • The Güldner AF 30 has a rear PTO running at 540 rpm.

Source · Traktorenlexikon, “Güldner AF 30”

How does the AF 30 compare with its class?

  • Strength:

    A maximum engine torque of 150 N·m is high for its class — 28% above the median of 117 N·m across the 69 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 129 comparable records. How we work this out

Illustration of the 1948–1951 Güldner AF 30, a 30 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 an AF 30 have?

The only figure for the AF 30 is 30 hp (22 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)
30 hp

Source · Traktorenlexikon, “Güldner AF 30”

What engine is in an AF 30?

An AF 30 has a Güldner 2F, a 2-cylinder 2.60 L diesel engine.

Engine — AF 30 engine specifications
Make & modelGüldner 2F
Cylinders2, liquid-cooled
Displacement158.5 ci · 2.60 L
Max torque110 lb·ft · 150 N·m
Electrical system6 V

Source · Traktorenlexikon, “Güldner AF 30”

How much will an AF 30 lift?

Hydraulic and PTO specifications for the AF 30 are below.

Hydraulics & PTO — AF 30 hydraulics and PTO specifications
Rear PTO540 rpm

Source · Traktorenlexikon, “Güldner AF 30”

What transmission does an AF 30 have?

Transmission specifications for the AF 30 are below.

Transmission — AF 30 transmission specifications
ClutchSingle-plate dry clutch from Fichtel & Sachs
BrakesPedal-operated internal expanding shoe brake acting on rear wheels
SteeringZF worm steering gear
Top speed12.4 mph · 20 km/h

Source · Traktorenlexikon, “Güldner AF 30”

How much does an AF 30 weigh?

An AF 30 weighs 4,497 lb (2,040 kg) unladen.

Weights & dimensions — AF 30 weights and dimensions
Unladen weight4,497 lb · 2,040 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 AF 30”

What oil does an AF 30 take, and how much?

An AF 30 engine takes 9.5 qt (9 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

AF 30 fluid capacities, grades and service intervals
SystemCapacity
Engine oil9.5 qt · 9 LSource: Traktorenlexikon, “Güldner AF 30” · single source, not independently verified
Transmission0.5 qt · 1 LSource: Traktorenlexikon, “Güldner AF 30” · single source, not independently verified
Cooling system33.8 qt · 32 LSource: Traktorenlexikon, “Güldner AF 30” · single source, not independently verified

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

Which tractors compare with an AF 30?

Within 10% of its 28 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 AF 30

Is an AF 30 two-wheel drive or four-wheel drive?

The Güldner AF 30 is two-wheel drive (2WD).

What PTO does an AF 30 have?

An AF 30 has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Güldner AF 30”.

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 AF 30 — CC BY-SA 4.0, WIKIBOOKS-TL-43369 · revision 901960. Wikibooks contributors (Traktorenlexikon). Original document