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Big Bud KT-525 Series 2

Built: 1977–1978 · Series: KT

More machines from model year 1977

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The Big Bud KT-525 Series 2 is a tractor from the KT series, built in 1977–1978. 525 hp is available. Rated speed is 2,100 rpm. At 21 km/h, that is as fast as it goes. Empty, it weighs 26,110 kg.

Technical data

Engine

Power525 hpcorrect
Power525 hpcorrect
Rated speed2,100 rpmcorrect

Dimensions and weights

Unladen weight26,110 kgcorrect

Drivetrain and chassis

Forward gears12correct
Reverse gears2correct
Top speed21.4 km/hcorrect

Where this model stands

Power-to-weight ratio: 14.8 kW/t (386 kW / 26.1 t)

Power class: Heavy (> 180 hp)

Stronger than 100% 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 Big Bud KT-525 Series 2 have?

The Big Bud KT-525 Series 2 delivers 525 hp.

How much does the Big Bud KT-525 Series 2 weigh?

The unladen weight is 26,110 kg.

How fast does the Big Bud KT-525 Series 2 go?

Top speed is 21.4 km/h.

When was the Big Bud KT-525 Series 2 built?

Production years: 1977–1978.

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.
  • 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 7 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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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data

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