OKA Australia was an Australian company that manufactured all terrain vehicles, particularly four wheel drive trucks and tour buses. OKA started in 1986 when a group of Australian mine executives discussed that each of them needed an off-road truck with a three ton payload and nothing on the market at the time filled those requirements. Those executives formed a consortium and the OKA brand was born

OKA TWIN CAB GENERAL SERVICE TRUCK The OKA two ton truck is an uniquely Australian designed four wheel drive vehicle. It was manufactured by the OKA Motor Company Limited in Perth, Western Australia.
OKA 4x4 Offroad Tour Bus
A brief history of the OKA 4WD
The OKA project began in the mid '80s, when Mike Walker decided to build a vehicle for the mining and defence forces from scratch, in his home town of Perth, Western Australia. Design of the first prototype was begun in 1985, and that vehicle was on the road on December 17th of the following year - Walker's birthday. Testing and development began in 1987, lasting for five years, and production of the first series, the XT, began in 1992. OKA is without doubt Australia's least-recognised vehicle manufacturer; but it has outlived many better-known names, and continued to manufacture vehicles in Australia until 2011, from its Bibra Lake factory, south of Perth.
OKA's NT model vehicle was designed so that it would meet Australian Military vehicle requirements. Other new design requirements that were put upon the new NT model OKA were to bring the exhaust emission up to world standards, namely the new Euro IV exhaust emissions and at the same time enhance vehicle capabilities for all OKA 4WD users.
OKA uses a lot of "standard" automotive components to build their trucks which should make it (hopefully) relatively easy to get most of the spare-parts in the future, including outside of Australia. Due to price reasons we chose the 5-speed, cable shifted manual transmission gearbox. 4WD is engaged by a BAE / Vickers semi-permanent (also cable shifted) transfer case. The back axle also has 4 shockies (2 optional) and has an optional air operated diff lock installed. Front and rear axles have no stabilisers (anti sway bars) installed. The axles have an incredible articulation of 14 inches. Right behind the transfer case (visible as a round thick disc) is the air actuated park break. Since it is connected to the transfer case it works on all 4 wheels if in 4WD. The back axle also has 4 shockies (2 optional) and has an optional air operated diff lock installed. Front and rear axles have no stabilisers (anti sway bars) installed. The axles have an incredible articulation of 14 inches. After the many problems we had mainly with the diffs (2 axles and 8 diffs replaced on warranty) we decided to remove the diff-locks for good. Diff-Locks put a lot of strain on the drive train and our axles are of the worst possible quality. The front wheels are equipped with AVM free-wheeling hubs to reduce fuel consumption while driving in 2WD. The free-wheeling hubs are protected by hub steps. To help in difficult terrain the truck is equipped with optional air-operated diff locks front and rear. All the above (except the tires) are options supplied by OKA.
Transmission Dana Spicer T5-290 (T5X-2276) 5-speed manual (5.36:1, 2.62:1, 1.51:1, 1.0:1, 0.79:1, rev 4.73:1); Rockwell T223 2-speed transfer case part-time 4WD (lo 2.05:1, hi 1.0:1), Front axle Dana Spicer 60F 4.88:1 2400kg, rear axle Dana Spicer 70 4.88:1 3100kg

Внедорожные траспортные средства
(Land Locomotion – Mechanical Vehicle Mobility LL-MVM)
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