Mobile tower crane
Spierings SK597-AT4
The Spierings SK597-AT4 is a 7 tonne, four axle mobile tower crane with a 48m jib, supplied with an operator for crane hire or as part of a contract lift.
- Maximum capacity
- 7 tonnes
- Jib length
- 48m
- Load at jib tip
- 1.7 tonnes at 48m6.925m x 7.0m outrigger base
- Axle lines
- 4
Download the Spierings SK597-AT4 spec sheet
Spierings SK597-AT4 specification sheet
Load charts, working range diagrams, dimensions and axle loads. PDF, 7 pages, 2.3MB.
Specification
| Item | Specification |
|---|---|
| Manufacturer | Spierings |
| Model | SK597-AT4 |
| Type | Mobile tower crane |
| Maximum capacity | 7 tonnes |
| Jib length | 48m maximum radius |
| Load at jib tip | 1.7 tonnes at 48m on the 6.925m x 7.0m outrigger base; 1.2 tonnes on the 6.925m x 5.85m base (jib horizontal) |
| Jib positions | Horizontal, or luffed to 15, 30 or 45 degrees |
| Tower | Height under the jib 26.9m or 29.7m |
| Counterweight | 8,855kg crane counterweight |
| Weight and axle loads | 48 tonnes overall weight |
| Outriggers | Support bases 6.925m x 7.0m and 6.925m x 5.85m; maximum outrigger force 360kN; outrigger pads 750 x 600mm; support plates 1100 x 1100mm or 2000 x 900mm |
| Axle lines | 4, Kessler axles with disc brakes |
| Tyres and width | 445/75 R22.5 |
| Engine | Carrier: DAF MX11-291 (10.8 litre) Euro VI diesel, 291kW at 1,700rpm, 1,900Nm at 1,000 to 1,400rpm |
| Crane drive | John Deere 4045HFG82 diesel, 103kW at 1,500rpm, 656Nm at 1,500rpm, constant speed |
| Transmission | ZF 12AS2531 SO automatic with intarder, dry plate clutch; Steyr VG2001/396 transfer box with road and off-road gears; maximum speed 83km/h, minimum 1.6km/h |
| Control and safety | Operation allowed up to wind force 7 Bf (14m/sec); crane to be folded in at wind force 9 Bf (21m/sec) or when not in use for a longer period |
| 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 SK597-AT4 compared with similar cranes
| This craneSpierings SK597-AT4 | Spierings SK477-AT4 | Liebherr MK 140 | Liebherr MK 88-4.1 | |
|---|---|---|---|---|
| Maximum capacity | 7 tonnes | 7 tonnes | 8 tonnes | 8 tonnes |
| Jib length | 48m | 38m | 60m | 45m |
| Load at jib tip | 1.7 tonnes at 48m | Not stated | 0.3 tonnes at 65m | 1.85 tonnes at 45m |
| Axle lines | 4 | Not stated | 5 | 4 |
| More detail | Download spec sheet | View Spierings SK477-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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