|Model||Thames Trader 7 ton Chassis Cab|
|Type||Cranes Self Mobile No. 1|
|Date of picture|
CRANES SELF-MOBILE No. 1
For general handling of heavy or bulky stores at depots or in the field.
The crane is a hydraulically-operated slewing type mounted on a 7 ton chassis/cab. The jib is of the cantilever type with two articulated sections each of which can be raised or lowered hydraulically independently. The arc of slewing is 220° and all movements of the crane are controlled from the driving seat of the vehicle.
Three hooks are provided, one 2 ton hook in fixed position, one 26 cwt hook capable of being propelled along the front jib for a distance of 5 feet and one fixed hook on end of jib for lifting a load of 11 cwt. No ropes are employed as the hooks are fixed to the jibs. A locking pin is provided to lock the superstructure with the jibs forward over the vehicle cab when travelling on the road.
A toolbox of generous proportions is provided to accommodate sling chains, lifting beam and pole timber grab.
1. Max. lift 2 tons with max. outreach 10 ft. 6.5 in. height 15 ft. 7 in.
2. Max. lift 26 cwt. with max. outreach 12 ft. 2.5 in. height 16 ft. 10 in.
3. Max. lift 13 cwt. with max. outreach 17 ft. 2.5 in. height 20 ft. 11 in.
4. Max. lift 11 cwt. with max. outreach 18 ft. 8.5 in. height 23 ft. 5 in.
Length with jibs over cab 26 ft. 0 in.
Width 7 ft. 5.75 in.
Height with jibs horizontal 9 ft. 10 in.
7 tons, 5 cwt.
Maximum permissible speed on Public Highway - 30 mph.
Some models of this crane are provided with fold-back jibs, which reduces the overhang of the jib in the travelling position to 6 feet from the front of the vehicle.
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