Mobile tower crane
Spierings SK487-AT3
The Spierings SK487-AT3 is a 7 tonne, three axle 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 SK487-AT3 spec sheet
Spierings SK487-AT3
Download the manufacturer’s specification sheet (PDF · 14 pages · 3.4MB).
Key figures
Spierings SK487-AT3 key figures
- Maximum capacity
- 7 tonnes
- Jib length
- 40m
- Load at jib tip
- 1.7 tonnes at 40m
- Axle lines
- 3
Specification
Spierings SK487-AT3 specification
| Item | Specification |
|---|---|
| Manufacturer | Spierings |
| Model | SK487-AT3 |
| Type | Mobile tower crane |
| Maximum capacity | 7 tonnes, at up to 11.57m radius on the 7.20m x 7.25m support base |
| Jib length | 40m maximum radius with the jib horizontal; 38.63m at 15 degrees, 34.71m at 30 degrees, 28.5m at 45 degrees |
| Load at jib tip | 1.7 tonnes at 40m on the 7.20m x 7.25m outrigger base (lift specification drawing and load chart) |
| Jib positions | Horizontal or luffed to 15, 30 or 45 degrees from the crane cabin or by remote control; jib foldable in every direction (360 degrees) |
| Weight and axle loads | 36 tonnes overall weight |
| Outriggers | Maximum outrigger force 315kN; outrigger pads 750 x 600mm; support plates 1000 x 900mm; load charts for several bases up to 7.20m x 7.25m |
| Axle lines | 3; axles 1 and 3 steer drive, axle 2 steered (manoeuvre) and not driven; Kessler axles with disc brakes |
| Tyres and width | 445/75 R22.5 or 445/65 R22.5 |
| Engine | John Deere 6068CI550 Stage V (6.8 litre) diesel, 224kW at 2,400rpm, 1,141Nm at 1,600rpm, with a Danfoss Editron generator (174kW) and Danfoss Editron electric drive motor, 260kW at 2,400rpm, 1,036Nm |
| Transmission | Katsa 1L200-1/3P two-speed reduction gearbox; ZF VG750/270 transfer box with road and off-road gears; maximum speed 80km/h |
| Control and safety | 15, 30 and 45 degree luffing controlled from the crane cabin or by remote control; 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 SK487-AT3 compared with similar cranes
| This craneSpierings SK487-AT3 | Spierings SK477-AT4 | Spierings SK597-AT4 | Liebherr MK 73-3.1 | |
|---|---|---|---|---|
| Maximum capacity | 7 tonnes | 7 tonnes | 7 tonnes | 6 tonnes |
| Jib length | 40m | 38m | 48m | 38.5m |
| Load at jib tip | 1.7 tonnes at 40m | Not stated | 1.7 tonnes at 48m | 1.45 tonnes at 38.5m |
| Axle lines | 3 | Not stated | 4 | 3 |
Related
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