Mobile tower crane
Spierings SK488-AT4
The Spierings SK488-AT4 is an 8 tonne mobile tower crane with a 40m jib, supplied with an operator for crane hire or as part of a contract lift.
Spec sheet
Download the Spierings SK488-AT4 spec sheet
Spierings SK488-AT4
Download the manufacturer’s specification sheet (PDF · 3 pages · 0.6MB).
Key figures
Spierings SK488-AT4 key figures
- Maximum capacity
- 8 tonnes
- Jib length
- 40m
- Load at jib tip
- 2.1 tonnes at 40m6.90m x 6.70m outrigger base
- Maximum hook height
- 44.2m
Specification
Spierings SK488-AT4 specification
| Item | Specification |
|---|---|
| Manufacturer | Spierings |
| Model | SK488-AT4 |
| Type | Mobile tower crane |
| Maximum capacity | 8 tonnes, up to 12.76m radius (6.90m x 6.70m outrigger base, jib horizontal) |
| Jib length | 40m maximum radius |
| Load at jib tip | 2.1 tonnes at 40m on the 6.90m x 6.70m outrigger base; 1.35 tonnes at 40m on the 6.90m x 5.15m base (jib horizontal) |
| Maximum hook height | 44.2m with the jib luffed to 30 degrees (at 34.8m radius); 25m with the jib horizontal |
| Jib positions | Horizontal, or luffed to 30 degrees; luffing controlled from the crane cab or via remote control |
| Tower | Height under the jib 26.8m (jib horizontal) |
| Counterweight | 9,300kg full counterweight |
| Weight and axle loads | 48 tonnes overall weight |
| Outriggers | Support bases 6.90m x 6.70m and 6.90m x 5.15m; maximum outrigger loading 350kN; outrigger foot 750 x 600mm; pressure under foot 0.8 N/mm2 |
| Control and safety | All motions with hydraulic proportional controls; 360 degrees continuous slewing with outriggers out and down; operation allowed up to wind force 7 Bf (17m/sec); crane to be folded in above wind force 9 (21m/sec) or when not in use for a longer period; operating temperature -15 to 40 degrees C |
Specifications are taken from the manufacturer published specification sheet for this model and are given as a guide only. Machines vary by build, options and configuration, and figures can change without notice. Nothing on this page forms part of a contract or a lift plan: the crane, its configuration and its load chart are confirmed when we quote and plan your lift.
Compare
Spierings SK488-AT4 compared with similar cranes
| This craneSpierings SK488-AT4 | Liebherr MK 140 | Liebherr MK 88-4.1 | Spierings SK498-AT4 | |
|---|---|---|---|---|
| Maximum capacity | 8 tonnes | 8 tonnes | 8 tonnes | 8 tonnes |
| Jib length | 40m | 60m | 45m | 44m |
| Load at jib tip | 2.1 tonnes at 40m | 0.3 tonnes at 65m | 1.85 tonnes at 45m | 1.9 tonnes at 44m |
| Maximum hook height | 44.2m | Not stated | Not stated | 46.5m |
| Axle lines | Not stated | 5 | 4 | 4 |
Related
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