Mobile tower crane
Spierings SK477-AT4
The Spierings SK477-AT4 is a 7 tonne mobile tower crane with a 38m jib, supplied with an operator for crane hire or as part of a contract lift.
- Maximum capacity
- 7 tonnes
- Jib length
- 38m
Download the Spierings SK477-AT4 spec sheet
Spierings SK477-AT4 specification sheet
Load charts. PDF, 6 pages, 0.6MB.
Specification
| Item | Specification |
|---|---|
| Manufacturer | Spierings |
| Model | SK477-AT4 |
| Type | Mobile tower crane |
| Maximum capacity | 7 tonnes, at up to 11.46m radius |
| Jib length | 38m maximum |
| Jib positions | Horizontal or luffed to 30 degrees |
| Tower | Hook height 24m with the jib horizontal (height under the jib 25.9m) |
| Outriggers | Lifting charts for outrigger spreads of 6.55m x 6.15m and 6.55m x 5.10m |
| Ownership | Supplied. Our owned cranes are the electric pick and carry machines |
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.
Spierings SK477-AT4 compared with similar cranes
| This craneSpierings SK477-AT4 | Spierings SK597-AT4 | Liebherr MK 140 | Liebherr MK 88-4.1 | |
|---|---|---|---|---|
| Maximum capacity | 7 tonnes | 7 tonnes | 8 tonnes | 8 tonnes |
| Jib length | 38m | 48m | 60m | 45m |
| Load at jib tip | Not stated | 1.7 tonnes at 48m | 0.3 tonnes at 65m | 1.85 tonnes at 45m |
| Axle lines | Not stated | 4 | 5 | 4 |
| More detail | Download spec sheet | View Spierings SK597-AT4 | View Liebherr MK 140 | View Liebherr MK 88-4.1 |
Our guide explains how mobile tower cranes work and when to use one: What Is a Mobile Tower Crane?
See every crane we supply in the crane library.
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