WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1952–1953
  • 1,398 built

WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

Kramer KB 12 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, “Kramer KB 12”, 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
2,425 lb
Top speed
11.8 mph

Kramer KB 12 specs: key facts

  • The Kramer KB 12 was built from 1952 to 1953.

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

  • The Kramer KB 12 is two-wheel drive (2WD).

  • The Kramer KB 12 has a Güldner 1 DA engine, a 1-cylinder 0.82 L diesel unit.Source 1

  • The Kramer KB 12 weighs 1,100 kg (2,425 lb) unladen.

  • The Kramer KB 12 has a rear PTO running at 588/1345 rpm.

Source · Traktorenlexikon, “Kramer KB 12”

How does the KB 12 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

Illustration of the 1952–1953 Kramer KB 12, a 12 hp farm tractor, a drawing generated from its specification record
Illustration — not a photograph

How much horsepower does a KB 12 have?

The only figure for the KB 12 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, “Kramer KB 12”

What engine is in a KB 12?

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

Engine — KB 12 engine specifications
Make & modelGüldner 1 DA
Cylinders1, liquid-cooledSource 2
Displacement49.7 ci · 0.82 L
Electrical system12 VSource 2

Source · Traktorenlexikon, “Fahr D 12”

How much will a KB 12 lift?

Hydraulic and PTO specifications for the KB 12 are below.

Hydraulics & PTO — KB 12 hydraulics and PTO specifications
Pressure1,707 psi · 118 bar
Rear PTOtransmission-driven, 588/1345 rpm

Source · Traktorenlexikon, “Kramer KB 12”

What transmission does a KB 12 have?

Transmission specifications for the KB 12 are below.

Transmission — KB 12 transmission specifications
ClutchSingle-disc dry clutch
SteeringKramer independent wheel steering
Top speed11.8 mph · 19 km/h

Source · Traktorenlexikon, “Kramer KB 12”

How much does a KB 12 weigh?

A KB 12 weighs 2,425 lb (1,100 kg) unladen.

Weights & dimensions — KB 12 weights and dimensions
Unladen weight2,425 lb · 1,100 kg
Maximum permissible mass3,086 lb · 1,400 kg
Maximum front axle load1,323 lb · 600 kg
Maximum rear axle load1,764 lb · 800 kg
Wheelbase61.8 in · 1,570 mm
Length96.1 in · 2,440 mm
Width59.1 in · 1,500 mm
Height57.1 in · 1,450 mm
Ground clearance11.8 in · 300 mm
Front track49.2 in · 1,250 mmWikibooks gives one track for both axles
Rear track49.2 in · 1,250 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “Kramer KB 12”

What oil does a KB 12 take, and how much?

A KB 12 engine takes 3.7 qt (3.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

KB 12 fluid capacities, grades and service intervals
SystemCapacity
Engine oil3.7 qt · 3.5 LSource: Traktorenlexikon, “Kramer KB 12” · single source, not independently verified
Transmission9.5 qt · 9 LSource: Traktorenlexikon, “Kramer KB 12” · single source, not independently verified
Cooling system8.5 qt · 8 LSource: Traktorenlexikon, “Kramer KB 12” · single source, not independently verified

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

Which tractors compare with a KB 12?

Within 10% of its 11 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 Kramer KB 12

Is a KB 12 two-wheel drive or four-wheel drive?

The Kramer KB 12 is two-wheel drive (2WD).

What PTO does a KB 12 have?

A KB 12 has a 588/1345 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Fahr D 12”; and Traktorenlexikon, “Kramer KB 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: Kramer KB 12 — CC BY-SA 4.0, WIKIBOOKS-TL-58573 · revision 1078836. Wikibooks contributors (Traktorenlexikon). Original document