Spierings SK-498-AT4
A self-erecting mobile tower crane on a four-axle carrier, which rigs itself on site without an assist crane. Rated at 8 tonnes with a jib to 44 metres, and a hook height of 25.3 metres with the jib level or 46.5 metres with it luffed to 30 degrees.

Key figures
Full specification
| Class | Mobile tower crane, self-erecting |
|---|---|
| Maximum load | 8.0 t at 12.85 m radius |
| Maximum capacity | 103 tonne-metres |
| Jib length | Up to 44 m |
| Hook height | 25.3 m with the jib level, up to 46.5 m luffed to 30 degrees |
| Counterweight | 9,500 kg |
| Outrigger base | 6.925 m x 6.85 m, or 6.925 m x 5.15 m |
| Maximum outrigger force | 360 kN |
| Slewing | 360 degrees continuous |
| Carrier | 4 axles |
| Availability | UK-wide, 24 hours a day, 365 days a year |
Manufacturer configuration figures. Exact capability for your lift - radius, height, ground bearing and counterweight - is confirmed against the load charts by our appointed persons.
Built for the job
- Erects itself on site - no assist crane needed
- 44 m jib with 30 degree luffing
- 46.5 m hook height with the jib luffed
- Slews through 360 degrees continuously
- Two outrigger footprints for restricted sites
- Drives to site on its own four-axle carrier
- Supplied with our qualified operator
Illustrative working heights, to scale. Every lift is planned to the manufacturer load charts by our appointed persons.
Contract lift or hired & managed
Contract Lift
- Full lift planning by our expert appointed persons
- Crane, operator, supervision and slinger provided
- Method statements and risk assessments included
- Insurance for the lift carried by Bronzeshield
- Ideal when you want one accountable partner
Hired & Managed
- The 8 tonner with our qualified operator
- Working under your appointed person and lift plan
- Flexible day-rate hire
- 24 hours a day, 365 days a year availability
- Ideal for experienced contractors with in-house planning
Frequently asked
If you want one accountable partner to plan and carry the lift, choose a Contract Lift - we handle the lift plan, method statements, supervision and insurance. If you have your own appointed person and lift plan, take the crane Hired and Managed with our operator. Not sure? Our hire desk will point you the right way.
With 4 axles it needs suitable access and prepared ground for the outriggers and counterweight. We produce a swept-path analysis and a ground-bearing check as part of planning, and can advise on any enabling works before the crane arrives on site.
Yes. The Spierings SK-498-AT4 is always supplied with one of our qualified CPCS operators, whether you hire it on a contract lift or hired and managed basis.
The heavy-lift cranes are in demand, so the earlier the better - but our hire desk is open 24/7 and we will always try to help at short notice. Call us to check availability for your dates.
Related cranes
Need the 8 tonner on your project?
Our hire desk is open 24 hours a day, 365 days a year. Tell us the load, the radius and the site - our planners will do the rest.
01322 555 050