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Kramer KB 17 S

Built: 1/53–8/56 · Series: KB-Reihe

Source: https://www.technikboerse.com/marke/kramer-657 technikboers

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The KB 17 S from Kramer is part of the KB-Reihe series. Production: 1/53–8/56. The engine delivers 17 hp (12.5 kW), has 2 cylinders, with a displacement of 1,305 cm³. Rated speed is 1,800 rpm. The machine is 2,645 mm long, 1,120 mm wide and 1,510 mm high. The unladen weight is 1,200 kg. The wheelbase measures 1,700 mm. Ground clearance is 300 mm. Top speed is 19.8 km/h. Transmission: 6V/2R. The engine is water-cooled. Tyres: front 4.00 x 16 ASF, rear 7 x 24 AS. The fuel is diesel. The bore measures 85 mm. The stroke is 115 mm. Construction: unit construction (no separate frame). Injection pressure is 160 bar. Around 132 units were built. The KB-Reihe series covers 16 models. Rated output within it ranges from 9 to 25 hp; the KB 17 S sits in the middle of that range with 17 hp. Its immediate neighbours are the KB 150 Schmalspur below it with 14 hp and the KB 180 above it with 18 hp. Unladen weight within it ranges from 750 to 1,620 kg; here the KB 17 S sits in the middle of that range with 1,200 kg. 137 Kramer models across 20 series are on record.

Kramer KB: light post-war tractors for reconstruction – one- and two-cylinder engines with 6.6 to 18.3 kW (9 to 25 hp), 503 to 1,843 cm³ displacement

The KB series emerged in the 1950s, when West Germany's reconstruction demanded above all light, affordable tractors for smaller farms. Kramer consistently positioned this series below its stronger K models.

Read on 4 more paragraphs

The register lists 16 live models, from the KB 10 to the KB 25, built between 1951 and 1959. Output ranges from 6.6 to 18.3 kW, or 9 to 25 hp, weight from 750 to 1,620 kg, displacement from 503 to 1,843 cm3, across one- and two-cylinder engines.

With kerb weights often under a tonne and simple single-cylinder technology, the KB series targeted small farms that could not yet afford a full-size K-class tractor.

The tight model spacing in five-horsepower steps (KB 10, KB 12, KB 14 and so on) let buyers choose the power class that exactly matched their farm's needs.

With output up to 18.3 kW, the KB series stayed entirely within the smallest three-point category 0 under ISO 730; the PTO ran single-speed at 540 rpm, as was typical for small tractors of the period. Since Kramer fully abandoned tractor building as early as 1973, original parts for the KB series are now scarce and mainly sourced through specialist vintage-machinery dealers. The simple technology at least makes it easier to reproduce individual wear parts. Anyone looking for a KB will find help through collector circles more readily than through the open parts trade.

Sources: SpecCodex register, model data: Kramer KB-Reihe

Technical data

Engine

Fueldieselcorrect
Power17 hp (12.5 kW)correct
Rated speed1,800 rpmcorrect
Cylinders2correct
Displacement1,305 cm³correct
Bore85 mmcorrect
Stroke115 mmcorrect
Injection pressure160 barcorrect
Coolingwater-cooledcorrect

Dimensions and weights

Length2,645 mmcorrect
Width1,120 mmcorrect
Height1,510 mmcorrect
Wheelbase1,700 mmcorrect
Ground clearance300 mmcorrect
Unladen weight1,200 kgcorrect

Drivetrain and chassis

Driverear-wheel drivecorrect
Gearbox6V/2Rcorrect
Front tyres4.00 x 16 ASFcorrect
Rear tyres7 x 24 AScorrect
Top speed19.8 km/hcorrect

Origin and approval

Constructionunit construction (no separate frame)correct
Units built132correct

Where this model stands

Power-to-weight ratio: 10.4 kW/t (12 kW / 1.2 t)

Power class: Compact (< 40 hp)

Stronger than 5% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Kramer KB 17 S have?

The Kramer KB 17 S delivers 17 hp.

How much does the Kramer KB 17 S weigh?

The unladen weight is 1,200 kg.

What engine does the Kramer KB 17 S have?

2 cylinders, 1,305 cm³ displacement, Diesel.

How fast does the Kramer KB 17 S go?

Top speed is 19.8 km/h.

What are the dimensions of the Kramer KB 17 S?

2,645 mm × 1,120 mm × 1,510 mm.

When was the Kramer KB 17 S built?

Production years: 1/53–8/56.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Check the weights in the papers against the figures here — attachments change them.
  • Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
  • Shift the gearbox cold and warm — jumps only show up at temperature.
  • Load the hydraulics and watch for sag.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 23 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Other models in this series

KB 10

KB 12

KB 14

KB 150 Schmalspur

KB 17

KB 180

KB 180 Schmalspur

KB 22 C

KB 22 W

KB 220

KB 25

KB 25 L

Sources: [1]

Tractor in 3D section

Turn the model, look inside and click an assembly — each one is explained.

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