The six wheel drive Perentie is a unique Australian design, loosely based on the Land Rover 110 later Land Rover Defender 110. It shares the 4-speed LT95A transmission and Isuzu 4BD1 3.9L 4-cylinder diesel engine with the four wheel drive Land Rover Perentie, but in this case the engine is turbo-charged. In view of the extra mass, 4.71 differentials are fitted instead of the 3.541 units of the 44.
Front suspension is by live axle and coil-springs. The rear bogie employs two leaf springs and a load-sharing rocker on each side. This rocker is cranked, and the leaf springs on each side overlap, so that the springs can be longer and the rear axles can be closer together than would otherwise be possible.
The chassis is unique to the six wheel drive. The rear section is fabricated of square and rectangular section steel tube and the chassis is galvanised. Drive to the third axle is by a separate propeller shaft taking power from the transfer-case power take-off PTO. This PTO takes drive from a gear on the transfer case intermediate shaft and rotates at the same speed as the front 1st and rear 2nd prop-shafts regardless of whether hi-range or lo-range is selected. The 3rd prop-shaft passes over the second axle and is jointed, incorporating a c.v. joint, where it does so. In this way extreme articulation of the two rear axles is possible. This feature of the transmission was originally intended for use with a powered trailer on the Land Rover Forward Control 101.
Prototypes and early models, some of which escaped into civilian hands, used a normal Land Rover 110 cab and front axle with the standard track of 1500mm against the rears 1700mm. Production models use a wider, taller cab, and a 1700mm front track which matches the rear.
Perentie 66, truck, 3-seats, 2-doors
Loa 6140mm, width 220mm 2436mm mirrors, height 2760mm canopy, 2077mm cab
Wheelbase 12 - 3040mm 119.7", 13 - 3940mm 155" track 1700mm1700mm, grnd clearance 196mm
Approach 37, departure 25, ramp break over 152
Turning radius 9.6m
Weight 3660kg unladen, GVM 5660kg, towing 1500kg
Isuzu 4BD1, 3.9L, diesel, 4-cyls, direct injection, turbo-charged, 2-valvescyl, ohv
Power 90kW at 3200rpm, torque 314Nm at 2200rpm
Transmission LT95A full-time 4WD,
4m - 4.071, 2.451, 1.511, 1.001, rev 3.661
centre diff and lock, hi0.9961, lo3.3211, selectable 64 66, differentials Rover/Salisbury-8HA 4.71 ratio
Suspension live-axle coil/ live-axle leaf/ live-axle leaf, brakes disc/drum/drum
Tyres 750R16LT 10 ply Dunlop-Olympic Steeltrek 105 on 6Fx16 rims
Optional Thomas T9000M winch 40kN, overload protected PTO
Max speed 95km/h, fuel consumption 21.7L/100km highway, 26.3L/100km 2nd class roads
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