
The Demag AC 120 is a versatile, reliable all-terrain crane that combines strong lifting performance with excellent mobility and precision. It drives efficiently between job sites, making it ideal for construction, industrial, infrastructure and maintenance projects.
Key features
The telescopic boom allows rapid deployment and smooth operation. Lifting capacity varies with boom length, working radius, counterweight and outrigger setup. Official load charts are available on request.
Working ranges
Standard duty charts exist for every boom length and counterweight below, on full or reduced outrigger spread.
| Main boom length | Outriggers 7.65 × 7.50 m | Outriggers 7.65 × 5.40 m |
|---|---|---|
| 12.9 / 17.6 / 22.3 m | 5.6, 16.8, 28, 38 t | 16.8, 28, 38 t |
| 27.0 / 31.7 / 36.3 m | 5.6, 16.8, 28, 38 t | 5.6, 16.8, 28, 38 t |
| 41.2 / 45.9 / 50.6 m | 5.6, 16.8, 28, 38 t | 5.6, 16.8, 28, 38 t |
| 55.4 / 57.7 / 60.0 m | 5.6, 16.8, 28, 38 t | 16.8, 28, 38 t |
| Telescoping 10.1 → 60 m | 190 s | |
| Boom elevation −1.5° → +80.5° | 55 s |
| Main boom | Extension (0° / 20° / 40°) | 7.65 × 7.50 m | 7.65 × 5.40 m |
|---|---|---|---|
| 50.6 m | 9.2 m / 17.0 m | 16.8, 28, 38 t | 28, 38 t |
| 55.4 m | 9.2 m / 17.0 m | 16.8, 28, 38 t | 28, 38 t |
| 57.7 m | 9.2 m / 17.0 m | 16.8, 28, 38 t | 28, 38 t |
| 60.0 m | 9.2 m / 17.0 m | 16.8, 28, 38 t | 28, 38 t |
| Setup | Value | Note |
|---|---|---|
| Counterweight stages | 5.6 / 16.8 / 28 / 38 t | 5.6 t can stay on for road travel |
| Full outrigger spread | 7.65 × 7.50 m | All counterweights, all boom lengths |
| Reduced outrigger spread | 7.65 × 5.40 m | For tight sites; see boom tab for limits |
| Hook block | Possible load | Sheaves | Weight | "D" | Max reeving |
|---|---|---|---|---|---|
| 125 | 125.0 t | 9 | 1,300 kg | 2.00 m | 18 (3 add. sheaves) |
| 80 | 79.2 t | 5 | 930 kg | 1.90 m | 11 |
| 63 | 50.0 t | 3 | 700 kg | 1.90 m | 7 |
| 32 | 21.6 t | 1 | 550 kg | 1.80 m | 3 |
| 8 (single line hook) | 7.2 t | — | 250 kg | 1.70 m | 1 |
Technical data
Axle loads apply to the basic machine with the 9.2 m extension, type 32 hook block and 5.6 t counterweight on board.
Mobilization
The AC 120 drives on public roads at up to 80 km/h with its boom on board
All-terrain carrier climbs up to 60% grades in travel order, with up to 370 mm ground clearance
Telescopic boom extends to 60 m in 190 s; extra counterweight follows on a support truck for heavier duties
Reduced 7.65 × 5.40 m outrigger spread with its own duty charts