The MasterClaw is available on 7 tonne, 14 tonne, and 21 tonne machines and can be opposed by either a 3 tine rake or the rake can be replaced by a digging bucket. The MasterClaw is hydraulically powered via the breaker circuit and will retract flat to the underside of the dipper when it's use is not required. The Excavator can then be used in a normal digging/loading mode without any need for disconnection.