WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1941–1947
  • 630 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

Schlüter GZA 25 specs: hp, weight, years

The manufacturer claimed 24.5 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

24.5 hp

18.3 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Schlüter GZA 25”, 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
4,850 lb
Top speed
10.7 mph

Schlüter GZA 25 specs: key facts

  • The Schlüter GZA 25 was built from 1941 to 1947.

  • The Schlüter GZA 25 has a claimed engine power (gross or net not stated) of 18.3 kW (24.5 hp); it has no measured PTO figure.

  • The Schlüter GZA 25 is two-wheel drive (2WD).

  • The Schlüter GZA 25 weighs 2,200 kg (4,850 lb) unladen.

  • The Schlüter GZA 25 has a rear PTO running at 540 rpm.

Source · Traktorenlexikon, “Schlüter GZA 25”

How does the GZA 25 compare with its class?

  • Limitation:

    Four forward gears is low for its class — 33% below the median of 6 across the 103 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 104 comparable records. How we work this out

Illustration of the 1941–1947 Schlüter GZA 25, a 25 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 GZA 25 have?

The only figure for the GZA 25 is 24.5 hp (18.3 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)
24.5 hp

Source · Traktorenlexikon, “Schlüter GZA 25”

How much will a GZA 25 lift?

Hydraulic and PTO specifications for the GZA 25 are below.

Hydraulics & PTO — GZA 25 hydraulics and PTO specifications
Rear PTO540 rpm

Source · Traktorenlexikon, “Schlüter GZA 25”

What transmission does a GZA 25 have?

Transmission specifications for the GZA 25 are below.

Transmission — GZA 25 transmission specifications
ClutchSingle plate dry clutch from Fichtel and Sachs type K 16 Z
Brakestwo drum brakes at the rear
Top speed10.7 mph · 17.3 km/h

Source · Traktorenlexikon, “Schlüter GZA 25”

How much does a GZA 25 weigh?

A GZA 25 weighs 4,850 lb (2,200 kg) unladen.

Weights & dimensions — GZA 25 weights and dimensions
Unladen weight4,850 lb · 2,200 kg
Wheelbase70.5 in · 1,790 mm
Length126.0 in · 3,200 mm
Width63.0 in · 1,600 mm
Height68.9 in · 1,750 mm
Ground clearance13.8 in · 350 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, “Schlüter GZA 25”

Which tractors compare with a GZA 25?

Within 10% of its 24.5 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Schlüter GZA 25

Is a GZA 25 two-wheel drive or four-wheel drive?

The Schlüter GZA 25 is two-wheel drive (2WD).

What PTO does a GZA 25 have?

A GZA 25 has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Schlüter GZA 25”.

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: Schlüter GZA 25 — CC BY-SA 4.0, WIKIBOOKS-TL-81624 · revision 1054701. Wikibooks contributors (Traktorenlexikon). Original document