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Grove GMK7550

Series: Grove All Terrain Crane

The photo shows the AT400 from the same series. Source: https://www.technikboerse.com/gebraucht/hebebuehne-arbeitsbu

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With the GMK7550, Grove offers a model from the Grove All Terrain Crane series. The engine delivers 304.6 hp (447 kW). Torque is 2,779 Nm. Rated speed is 2,500 rpm. The unladen weight is 91,327.6 kg. Ground clearance is 286.5 mm. The gearbox has 7 forward gears. There are also 1 reverse gears. Maximum torque is reached at 1,500 rpm. The electrical system runs on 24 V. Tyre size: 445/95 R25. The Grove All Terrain Crane series covers 62 models. Rated output within it ranges from 149.6 to 609.1 hp; the GMK7550 sits in the lower part of that range with 304.6 hp. Its immediate neighbours are the GMK6300L below it with 285.6 hp and the AT865 above it with 319.6 hp. 338 Grove models across 8 series are on record. The model is listed under Cranes & access platforms. 12 verified figures from 1 source are on file.

Technical data

Engine

Power304.6 hp (447 kW)correct
Rated speed2,500 rpmcorrect
Torque2,779correct
Speed at max. torque1,500 rpmcorrect

Dimensions and weights

Ground clearance286.5correct
Unladen weight91,327.6 kgcorrect

Drivetrain and chassis

Gearbox typeAllison automatic gearbox HD 4076correct
Forward gears7correct
Reverse gears1correct
Tyre size445/95 R25correct
System voltage24 Vcorrect

Frequently asked questions

How much power does the Grove GMK7550 have?

The Grove GMK7550 delivers 305 hp.

How much does the Grove GMK7550 weigh?

The unladen weight is 91,328 kg.

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.
  • 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 12 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

AT1100

AT400

AT400S

AT422E

AT635E

AT700B

AT700D

AT745

AT755S

AT865

AT880

AT9120

Sources: [1]

Mobile crane in 3D section

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

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