Terex AC100/4
Series: Terex All Terrain Crane
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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.
Read on 3 more paragraphs
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 | 455.5 hpcorrect |
|---|---|
| Torque | 630correct |
| Cylinders | 6correct |
| Displacement | 12,809 cm³correct |
Dimensions and weights
| Length | 13,230 mmcorrect |
|---|---|
| Width | 2,550 mmcorrect |
| Wheelbase | 5,740 mmcorrect |
| Unladen weight | 47,750 kgcorrect |
| Gross vehicle weight | 48,000 kgcorrect |
Drivetrain and chassis
| Gearbox type | ZF AS-Tronic automated transmissioncorrect |
|---|---|
| Forward gears | 12correct |
| Reverse gears | 2correct |
| Wheels | 8correct |
| Tyre size | 14.00R25correct |
Where this model stands
Power-to-weight ratio: 7 kW/t (335 kW / 47.8 t)
Stronger than 83% 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 AC100/4 have?
The Terex AC100/4 delivers 456 hp.
How much does the Terex AC100/4 weigh?
The unladen weight is 47,750 kg.
What is the gross vehicle weight of the Terex AC100/4?
48,000 kg.
What engine does the Terex AC100/4 have?
6 cylinders, 12,809 cm³ displacement.
What are the dimensions of the Terex AC100/4?
13,230 mm × 2,550 mm.
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 16 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
The technical data on this page comes from official vehicle registration records (RDW/Traficom), not from the manufacturer.
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