Kangaroos rookie Robbie Farah says he is relishing the prospect of making an impact from the bench when he makes his Test debut in Saturday's Four Nations match-up with England.

Named on a six-man bench by coach Tim Sheens, Farah is expected to earn his first game for Australia at the expense of game one utility Kurt Gidley with Sheens keen to utilise Farah's speed around the ruck against the lumbering English pack.

Normally an 80 minute player with Wests Tigers, Farah said he didn't think the adjustment of playing off the bench behind starting No.9 Cameron Smith would alter his game too much, while insisting playing alongside Smith was also an option.

"If anything it might be a little easier coming into the game with fresh legs when there are a couple of tired legs around the middle of the ruck," Farah said after training on Wednesday.

"Hopefully it will allow me a bit more room because of the freshness I've got in my legs.

"(Sheens has) mentioned that if he does go with me that (playing with Smith) would be an option, to play both of us in the middle of the ruck and try and exploit that area."

While Sheens had yet to finalise the make-up of his bench, it is widely believed Trent Waterhouse will be the other player to miss the cut, with the size of David Shillington something the coach wants up his sleeve.

The Australians had a tough two-hour hitout on Wednesday, with Sheens working particularly hard on his side's edge defence, which was brutally exposed in their tournament opener against New Zealand.

They have the day off on Thursday before travelling to Wigan on Friday where they will have a final training run at DW Stadium.

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