Terex AC40/2L
Series: Terex All Terrain Crane
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
Terex/Demag AC: the number is the tonnage class, the history is Demag
The "AC" (All Terrain Crane) code plus a number follows, as with most mobile crane makers since the late 1990s, the maximum lifting capacity in tonnes: an AC 100 lifts roughly 100 tonnes, an AC 140 roughly 140 tonnes. In SpecCodex, the 41 recorded models span 19,500 to 108,000 kg of vehicle weight, reflecting the range from compact city cranes to heavy multi-axle units.
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The brand itself has had a turbulent path: the Zweibrücken plant belonged to Demag until 2002, then to Terex (briefly as "Terex-Demag"), the Demag name returned in 2016, and after Tadano's 2019 acquisition, AC cranes have carried the Tadano brand since 2021. A "Terex All Terrain Crane" in SpecCodex is therefore technically related to today's Demag/Tadano AC models.
A hyphenated value often appended (e.g. "-5") states the chassis axle count — an important factor for road registration and axle load. In the database, engine output ranges from 156 to 440 kW, torque from 540 to 3,186 Nm, and displacement from 5,961 to 15,928 cm³.
When buying used, check the condition of the boom telescoping section and outriggers, review the crane logbook for load-cycle counts, and confirm whether original parts are still available through today's brand owner, Tadano. Models such as AC25, AC70, AC100 and AC140 illustrate the spread of tonnage classes.
Sources: Kennwerte der Modelle Terex All Terrain Crane, Demag AC 700 (Wikipedia), Tadano Demag (Wikipedia), – Demag AC 100 Crane Overview, Bigge.com
Technical data
Engine
| Power | 278.8 hp (205.1 kW)correct |
|---|---|
| Rated speed | 2,200 rpmcorrect |
| Torque | 1,100.1correct |
| Speed at max. torque | 1,600 rpmcorrect |
Drivetrain and chassis
| Gearbox type | Automated powershift transmission Transmissioncorrect |
|---|---|
| Forward gears | 6correct |
| Reverse gears | 2correct |
| Tyre size | 16.00 R 25correct |
Frequently asked questions
How much power does the Terex AC40/2L have?
The Terex AC40/2L delivers 279 hp.
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.
- 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 9 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
Sources: [1]
Mobile crane in 3D section
Turn the model, look inside and click an assembly — each one is explained.