|Mack Super-Liner & Super-Liner II|
|Body and chassis|
|Body style||Conventional (bonneted cab-chassis)|
|Engine||Mack EA7 (6-cylinder) or EA9 (V8)|
|Transmission||Mack / Fuller (manual)
The Mack Super-Liner is a class 8 heavy-duty truck that was introduced by Mack Trucks in 1977, to replace the Mack RW (R-Western) model. It was a development of the prototype Brockway Super-Liner, Brockway being a Mack subsidiary closed in early 1977. Its production lasted for fifteen years until it was discontinued in 1989. The model designation is RW. Mack Trucks Australia still manufactures the Super-Liner as a lighter-duty version of the Mack Titan.
In 1985 Mack Trucks came out with the superliner II. Mack made a series of special edition 85 Mack superliners. These mack superliner's were called a Magnum they all had Mack E9 400- 500hp engines and red interior. They all had a black exterior with magnum written on the hood in red yellow and orange letters. These truck were made for only one year. They Made a total of 250 Magnums 184 of them were a superliner the other 64 were an ultraliner. 
In 1988, Mack Trucks Australia made 16 special edition SuperLiner II Bicentennials with the E9-500 V8, Mack 12 speed triple countershaft transmission, Mack front and rear axles, long taper-leaf springs on front and camelback on the rear, Spicer 1810 HD driveshafts and 5842mm (230 inch) wheelbase. The special limited edition models were named after people influential to Australian history, including James Cook, Captain Bligh, Ludwig Leichhardt, Governor Phillip, Ned Kelly, Kingsford Smith, and John Flynn William Hovell. One remaining example is operated by Eagle Towing Service, of Ringwood Victoria and has since been converted to a heavy towing salvage truck. Two more Remaining examples are from Mactrans Heavy Haulage who own Captain Starlight and Thumderbolt. 
- Corporate History: 1970-1979 - Mack Trucks.com
- "Magnum". BigMackTrucks.com. Retrieved 28 December 2015.
- "Mack Trucks Australia News : Truckworld.com.au". truckworld.com.au. Retrieved 28 December 2015.
- Mack Super-Liner Homepage - Mack Trucks Australia
- 1988 Mack SuperLiner II BiCentennial - Truckworld Australia
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