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Grove AT9120

Series: Grove All Terrain Crane

Source: https://www.mascus.fr/4-occasion/grues-tout-terrain/grove-at

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The Grove AT9120 is a model in the Grove All Terrain Crane series. The engine delivers 435.2 hp, with a displacement of 14,600.9 cm³. Torque is 640.1 Nm. Rated speed is 2,100 rpm. The unladen weight is 71,214 kg. Ground clearance is 280.4 mm. The gearbox has 5 forward gears. There are also 1 reverse gears. Maximum torque is reached at 1,600 rpm. The electrical system runs on 24 V. Tyre size: 20,5R25. The Grove All Terrain Crane series covers 62 models. Rated output within it ranges from 149.6 to 609.1 hp; the AT9120 sits in the upper part of that range with 435.2 hp. Its immediate neighbours are the GMK4115 below it with 428.4 hp and the GMK5100 above it with 475.5 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

Power435.2 hpcorrect
Rated speed2,100 rpmcorrect
Torque640.1correct
Speed at max. torque1,600 rpmcorrect
Displacement14,600.9 cm³correct

Dimensions and weights

Ground clearance280.4correct
Unladen weight71,214 kgcorrect

Drivetrain and chassis

Gearbox typefully automatic gearboxcorrect
Forward gears5correct
Reverse gears1correct
Tyre size20.5R25correct
System voltage24 Vcorrect

Where this model stands

Power-to-weight ratio: 4.5 kW/t (320 kW / 71.2 t)

Stronger than 80% of the mobile & rough terrain cranes in the register — out of 591 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Grove AT9120 have?

The Grove AT9120 delivers 435 hp.

How much does the Grove AT9120 weigh?

The unladen weight is 71,214 kg.

What engine does the Grove AT9120 have?

14,601 cm³ displacement.

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

GCK3060

Sources: [1]

Mobile crane in 3D section

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

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