Grove GMK6300L-1
A 300 tonne heavy lift crane with an 80 metre seven section main boom and an optional extension of up to 37 metres, giving a maximum tip height of 120 metres. For the tallest and heaviest work the fleet takes on.

Key figures
Full specification
| Class | All Terrain crane - heavy lift |
|---|---|
| Maximum lifting capacity | 300 t |
| Main boom | 80 m |
| Maximum tip height | 120 m |
| Swing-away jib | 12m Single and 21m double |
| Fixed Fly | Up to 37m overall |
| Counterweight | 21.2te as travels, 74.5t standard, to 92.5 t optional |
| Carrier | 6 axles |
| Availability | 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
- 80 m telescopic main boom, from 15.6 m
- 21 m wrap-round jib, extendable to 37 m with two 8 m inserts
- 54.5 t counterweight, optional package to 92.5 t
- Travels with up to 21 t of counterweight aboard
- Six-axle carrier
- Ballast slabs interchangeable with the GMK5250XL-1
Main boom length, 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 300 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 6 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 Grove GMK6300L-1 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 300 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