In regulation 5 of the Principal Regulations—
(a) insert the following definitions—
""non-slewing telehandler" means a telehandler that is not capable of being slewed;
"slewing telehandler" means a telehandler that is capable of being slewed;
"telehandler" means powered mobile plant with an articulated or rigid chassis that incorporates a telescopic boom that can be raised or lowered and is capable of being fitted with interchangeable attachments, but does not include—
(a) a backhoe; or
(b) an excavator;";
(b) for the definition of non-slewing mobile crane substitute —
""non-slewing mobile crane" means—
(a) a powered mobile crane with a capacity of more than 3 tonnes that incorporates a boom or jib that is not capable of being slewed, including an articulated type mobile crane and a locomotive crane but not including a crane engaged in vehicle tow truck operations; or
(b) a non-slewing telehandler with a rated capacity of more than 3 tonnes;";
(c) for the definition of slewing mobile crane substitute —
""slewing mobile crane" means a slewing telehandler or a powered mobile crane that incorporates a boom or jib that is capable of being slewed, but does not include the following, when configured for crane operation—
(a) a front-end loader;
(b) a backhoe;
(c) an excavator;
(d) similar equipment to that listed in paragraphs (a), (b) and (c);".