CRANES AND CARRIERS Ӏ MINI MACHINES
aid in positioning the load; dollies are available to, for example, help manoeuvre one end of a beam while the carrier takes the weight of the other end. Essex-based tracked carrier
manufacturer Tracked Carriers has a range of five machines with capacities from 300kg, for the 300L model, up to 4,000kg, for the 4000 Pro. All are battery-powered. All are compact (even the 4000Pro is only one-metre wide). And all, except the smallest, have fully- proportional remote control (the 300l has two-speed RC). Accessories include rotating
platforms (to help navigate or unload long loads in confined spaces), fifth wheels and dollies (again for carrying long loads such as beams), pallet cradles, corner posts (for securing loads such as timber), winches, A-frames (for carrying glass), and even a dozer blade, and a stair climbing kit. The latter consists of a balance
handle, a backstop and a set of steel triangles to get the machine started on the lower steps. As is clear from the above, the
tracked carrier is very versatile. There are variants on the
theme. On sloping sites the load might fall from the flat top of the carrier. Enter GGR’s self-levelling carriers: the ‘Tracked Leveller’ series. These have an automatically self-levelling bed which stays horizontal no matter what slopes, or side-slopes, the machine is traversing. It can cope with inclines in either direction of up to 25°.
PICK AND CARRY So tracked carriers work well with mini cranes but you could combine crane and tracked carrier into a single machine. The full-sized pick-and-carry deck crane is more used in the US than in Europe. Broderson, for example, with corporate headquarters in Illinois, manufactures them; but the
CRANES TODAY 31
GGR MINI CRANE AND TRACKED CARRIER WORK TOGETHER
GGR Group was commissioned to replace a two-tonne circuit breaker in a challenging environment at a rural substation. The task involved navigating narrow access lanes and uneven terrain to remove the old breaker and install a new one. By using the capabilities of the UNIC URW-706 mini spider crane and the six-tonne tracked carrier working together, GGR Group successful overcame the site’s spatial and operational limitations. The substation's location posed signifi cant logistical challenges. With confi ned space and narrow access lanes, manoeuvring traditional heavy machinery proved impractical. The ground was uneven, further complicating the positioning of equipment: the two-tonne circuit breaker required meticulous and precise handling to ensure the safety of both itself and the existing To address these challenges GGR Group deployed two highly specialised pieces of equipment: the UNIC URW-706 mini spider crane and the six-tonne tracked carrier, both designed to perform optimally in confi ned spaces and demanding conditions. The UNIC URW-706 is a highly compact and robust crane with a lifting capacity of up to six tonnes. Its narrow tracks allowed it to navigate the challenging terrain with ease. The crane successfully removed the two-tonne circuit breaker and precisely installed the new unit, ensuring minimal disruption to the surrounding infrastructure. The six-tonne tracked carrier played a crucial role in transporting the circuit breakers, new
and old, through the restricted access and rugged terrain. It was able to navigate with ease the narrow lanes and uneven ground where standard vehicles could not go. The tracked carrier safely transported the old circuit breaker to the truck for removal and delivered the new breaker to the crane for installation, ensuring an effi cient and smooth process.
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