Bathurst Panthers are massive underdogs for this Sunday's first division grand final against the undefeated Lithgow Workies.

But that's just the way they like it.

"I don't think there's much pressure on us to win at all," Panthers coach Darrin Fardell said.

"They're like $1.04 favourites and they've been undefeated the whole year. They'll be going out there trying to maintain that.

"They're a great side and their for and against from this season proves that."

That's the challenge that lies ahead: Try and take down a team who an average have given up less than 10 points a game and have scored at a rate of more than six converted tries a match.

The closest a team has come to beating Workies this year was St Pat's in round two with a 14-10 result.

Outisde of that it's not pretty reading for Lithgow's opponents. Their margin of victory averages out to 28 points.

Statistics like that only pile a greater amount of expectation on a Workies team who have nearly been on another level compared to the rest of the competition.

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With the Carrington Park crowd behind his side Fardell is hoping his team, especially the men in the pack, go in feeling confident

"It's really the size and the experience of their forward pack that makes Lithgow so strong," he said.

"They know how to use that pack and get the results out of it."

Panthers are the only fourth place or lower team to reach grand final day, and that's a testament to the team's fighting spirit.

They're on a four-game winning run that began with a win away to the Oberon Tigers in the last game of the regular season.

They then triumphed in sudden death games against Orange Hawks, Mudgee Dragons and defending champions St Pat's to book the date with Lithgow.

"The vibe in the team is really good. It's all positive. They've had their backs to the wall since Oberon so that's five games where things have been like that now," Fardell said.

"To come out and put 50 puts on Orange in that first semi-final really set the platform for us. The self belief has what's got them to this grand final.

"The secret to what we're doing is that we've got a few blokes with a fair bit of experience and age who are almost adopting a younger player in the team.

"They're working hand-in-hand and that mixture of youth and experience has worked well for us."

Panthers and Workies play the curtain raiser to the premier league decider from 1.15pm.