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Terex ATT400-3

Series: Terex All Terrain Crane

Source: https://www.truck1.eu/construction-machinery/mobile-cranes/t

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The Terex ATT400-3 is a model in the Terex All Terrain Crane series. The engine delivers 278.8 hp (205.1 kW), with a displacement of 6,371.3 cm³. Torque is 1,100.1 Nm. Rated speed is 2,300 rpm. The unladen weight is 21,772.4 kg. The gearbox has 6 forward gears. There are also 3 reverse gears. Maximum torque is reached at 1,300 rpm. The electrical system runs on 24 V. Tyre size: 14,00 R 25. The Terex All Terrain Crane series covers 41 models. Rated output within it ranges from 172.4 to 652.6 hp; the ATT400-3 sits in the lower part of that range with 278.8 hp. Its immediate neighbours are the 380ATT below it with 240.7 hp and the AC35 above it with 282.9 hp. 377 Terex models across 29 series are on record. The model is listed under Cranes & access platforms. 12 verified figures from 1 source are on file.

Technical data

Engine

Power278.8 hp (205.1 kW)correct
Rated speed2,300 rpmcorrect
Torque1,100.1correct
Speed at max. torque1,300 rpmcorrect
Displacement6,371.3 cm³correct

Dimensions and weights

Unladen weight21,772.4 kgcorrect

Drivetrain and chassis

Gearbox typepowershift transmissioncorrect
Forward gears6correct
Reverse gears3correct
Tyre size14.00 R 25correct

Other data

System voltage24 Vcorrect

Where this model stands

Power-to-weight ratio: 9.4 kW/t (205 kW / 21.8 t)

Stronger than 52% of the mobile & rough terrain cranes in the register — out of 575 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Terex ATT400-3 have?

The Terex ATT400-3 delivers 279 hp.

How much does the Terex ATT400-3 weigh?

The unladen weight is 21,772 kg.

What engine does the Terex ATT400-3 have?

6,371 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

380ATT

AC100

AC100/4

AC120

AC120-1

AC140

AC160-1

AC160-2

AC200

AC200-1

AC200-1P

AC200-1TP

Sources: [1]

Mobile crane in 3D section

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