• Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1937–1942
  • 1,528 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 20 specs: hp, weight, years

Güldner 1F one-cylinder diesel. The manufacturer claimed 19.7 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

19.7 hp

14.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Güldner A 20”, 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
3,527 lb
Top speed
8.0–9.3 mph

Güldner A 20 specs: key facts

  • The Güldner A 20 was built from 1937 to 1942.

  • The Güldner A 20 has a claimed engine power (gross or net not stated) of 14.7 kW (19.7 hp); it has no measured PTO figure.

  • The Güldner A 20 is two-wheel drive (2WD).

  • The Güldner A 20 has a Güldner 1F engine, a 1-cylinder 1.56 L diesel unit.

  • The Güldner A 20 weighs 1,600 kg (3,527 lb) unladen.

  • The Güldner A 20 has a rear PTO running at 560 rpm.

Source · Traktorenlexikon, “Güldner A 20”

Güldner A 20 tractor
Photo: Manataworfl, CC BY-SA 4.0 via Wikimedia Commons · Wrong photo?

How much horsepower does an A 20 have?

The only figure for the A 20 is 19.7 hp (14.7 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)
19.7 hp

Source · Traktorenlexikon, “Güldner A 20”

What engine is in an A 20?

An A 20 has a Güldner 1F, a 1-cylinder 1.56 L diesel engine.

Engine — A 20 engine specifications
Make & modelGüldner 1F
Cylinders1, liquid-cooled
Displacement95.1 ci · 1.56 L
Max torque69 lb·ft · 94 N·m
Electrical system6 V

Source · Traktorenlexikon, “Güldner A 20”

How much will an A 20 lift?

Hydraulic and PTO specifications for the A 20 are below.

Hydraulics & PTO — A 20 hydraulics and PTO specifications
Rear PTO560 rpm

Source · Traktorenlexikon, “Güldner A 20”

What transmission does an A 20 have?

Transmission specifications for the A 20 are below.

Transmission — A 20 transmission specifications
ClutchSingle plate dry clutch by Fichtel & Sachs
SteeringWorm steering gear
Top speed8.0–9.3 mph · 12.8–15.0 km/hthe article lists alternatives

Source · Traktorenlexikon, “Güldner A 20”

How much does an A 20 weigh?

An A 20 weighs 3,527 lb (1,600 kg) unladen.

Weights & dimensions — A 20 weights and dimensions
Unladen weight3,527 lb · 1,600 kg
Maximum permissible mass4,409 lb · 2,000 kg
Maximum front axle load1,764 lb · 800 kg
Maximum rear axle load2,646 lb · 1,200 kg
Wheelbase65.4 in · 1,660 mm
Length104.3 in · 2,650 mm
Width60.6 in · 1,540 mm
Height66.9 in · 1,700 mm
Ground clearance9.8 in · 250 mm
Front track50.0 in · 1,270 mmWikibooks gives one track for both axles
Rear track50.0 in · 1,270 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “Güldner A 20”

What oil does an A 20 take, and how much?

Fluid capacities for the A 20 are below.

A 20 fluid capacities, grades and service intervals
SystemCapacity
Transmission10.6 qt · 10 LSource: Traktorenlexikon, “Güldner A 20” · single source, not independently verified

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

Which tractors compare with an A 20?

Within 10% of its 17 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 20

Is an A 20 two-wheel drive or four-wheel drive?

The Güldner A 20 is two-wheel drive (2WD).

What PTO does an A 20 have?

An A 20 has a 560 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Güldner A 20”.

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 20 — CC BY-SA 4.0, WIKIBOOKS-TL-63099 · revision 956571. Wikibooks contributors (Traktorenlexikon). Original document