Here's everything you want to know about CT trucks:
http://www.cameltrophy.es/cameltrophy_english_faq.html
And that one isn't a CT truck:
Q: How do Camels differ from regular Discoverys?
A: For a fuller explanation, see the specifications page.
(Basically, sand-coloured bodywork, rollcage-mounted roofrack, uprated chassis, 6-point internal rollcage, modified sunvisors, no internal grab-handles, no harmonic balancer, no catalytic converter, no airbags, modified rear wheel-arches, rear electric windows, black anti-reflective bonnet panel, internal and external winch-control sockets, body-mounted rear lampguards, cut-out in rear bumper for tow jaw, bush wires leading from roofrack to bullbar, snorkel, steering guard, tank guard, front & rear towing jaws, heavy-duty bullbar, modified front bumper and end-caps, roofrack-mounted spotlamps, bullbar-mounted spotlamps, load guard, waterproof seat covers, rear worklamp, roofrack ladder, relocated Land Rover number plates, voltmeter and power socket fitted in radio position, uprated suspension, lowered gearing, 4-pin V8 diffs and 24-spline halfshafts, extended breathers, twin batteries, waterproofed winch solenoids, waterproofed Superwinch or Warn winch, bonnet-securing pins, modified spare wheel carrier, modified spring seats, battery cut-out switch, fire extinguishers.)