Yep....I know a bit about it and a couple of things in the ad confuse me....not that that is hard to do. They claim its an '07 with 113 k's.
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For a start, it was built by ATW around '01 on a FG637 with long span suspension for a Cape York tour company. ATW bought it back off them about 10 years later, fitted single wheels and other mods and then onsold it to a civil construction company doing the Brisbane Clem7 tunnel. After the contract about 18 moths later, the bus was pretty trashed .It was then bought by a Brisbane company (running Fraser/ Moreton tours) who supposedly did a good job of refurbishing the body and mechanicals.
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When ATW bought this bus back I drove it down from Cairns to Yandina and I'm sure it had more than 113k k's on the clock. A LOT more. Maybe it had an engine gearbox / swap and they changed out the speedo from the same truck as the engine which would explain the claim. Not saying this is fair but I'd be very interested to see the Vin number anyway.