• Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1952–1953
  • 23 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

Fahr D 12H specs: hp, weight, years

Güldner 1 DA one-cylinder diesel. The manufacturer claimed 11.8 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

11.8 hp

8.8 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Fahr D 12 H”, 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
2,535 lb
Top speed
12.3 mph

Fahr D 12H specs: key facts

  • The Fahr D 12H was built from 1952 to 1953.

  • The Fahr D 12H has a claimed engine power (gross or net not stated) of 8.8 kW (11.8 hp); it has no measured PTO figure.

  • The Fahr D 12H is two-wheel drive (2WD).

  • The Fahr D 12H has a Güldner 1 DA engine, a 1-cylinder 0.82 L diesel unit.Source 1

  • The Fahr D 12H weighs 1,150 kg (2,535 lb) unladen.

  • The Fahr D 12H has an independent rear PTO running at 600 rpm.

Source · Traktorenlexikon, “Fahr D 12 H”

How does the D 12H compare with its class?

We will not rate this machine against its class. Only 23 published tractors sit within 10% of its 8.8 kW — too few to say what is normal.

Derived by WhichTractor. How we work this out

How much horsepower does a D 12H have?

The only figure for the D 12H is 11.8 hp (8.8 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)
11.8 hp

Source · Traktorenlexikon, “Fahr D 12 H”

What engine is in a D 12H?

A D 12H has a Güldner 1 DA, a 1-cylinder 0.82 L diesel engine.

Engine — D 12H engine specifications
Make & modelGüldner 1 DA
Cylinders1, liquid-cooledSource 2
Displacement49.7 ci · 0.82 L
Max torque33 lb·ft · 45 N·m @ 1,600 rpmSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “Fahr D 12”

How much will a D 12H lift?

Hydraulic and PTO specifications for the D 12H are below.

Hydraulics & PTO — D 12H hydraulics and PTO specifications
Pressure3,129 psi · 216 bar
Rear PTOIndependent, transmission-driven, 600 rpm
PTO shaft29 x 34,9 x 8,7 mm

Source · Traktorenlexikon, “Fahr D 12 H”

What transmission does a D 12H have?

Transmission specifications for the D 12H are below.

Transmission — D 12H transmission specifications
ClutchPedal operated dry Fichtel & Sachs single disc clutch
SteeringZF individual wheel steering
Top speed12.3 mph · 19.8 km/h

Source · Traktorenlexikon, “Fahr D 12 H”

How much does a D 12H weigh?

A D 12H weighs 2,535 lb (1,150 kg) unladen.

Weights & dimensions — D 12H weights and dimensions
Unladen weight2,535 lb · 1,150 kg
Maximum permissible mass3,638 lb · 1,650 kg
Maximum front axle load1,543 lb · 700 kg
Maximum rear axle load2,094 lb · 950 kg
Wheelbase60.6 in · 1,540 mm
Length97.2 in · 2,470 mm
Width61.5 in · 1,562 mm
Height56.8 in · 1,443 mm
Ground clearance16.1 in · 410 mm
Front track49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles
Rear track49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles
Turning radius, braked6.9 ft · 2.10 m

Source · Traktorenlexikon, “Fahr D 12 H”

What oil does a D 12H take, and how much?

A D 12H engine takes 4.5 qt (4.3 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

D 12H fluid capacities, grades and service intervals
SystemCapacity
Engine oil4.5 qt · 4.3 LSource: Traktorenlexikon, “Fahr D 12 H” · single source, not independently verified
Transmission0.4 qt · 0 LSource: Traktorenlexikon, “Fahr D 12 H” · single source, not independently verified
Hydraulic9.5 qt · 9 LSource: Traktorenlexikon, “Fahr D 12 H” · single source, not independently verified

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

Which tractors compare with a D 12H?

Within 10% of its 12 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 Fahr D 12H

Is a D 12H two-wheel drive or four-wheel drive?

The Fahr D 12H is two-wheel drive (2WD).

What PTO does a D 12H have?

A D 12H has a independent 600 rpm rear PTO on a 29 x 34,9 x 8,7 mm shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “Fahr D 12 H”; and Traktorenlexikon, “Fahr D 12”.

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: Fahr D 12 — CC BY-SA 4.0, WIKIBOOKS-TL-49054 · revision 990472. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Fahr D 12 H — CC BY-SA 4.0, WIKIBOOKS-TL-103623 · revision 990473. Wikibooks contributors (Traktorenlexikon). Original document