Drivers' sight lines and the comfort of guards have been revealed as the issues being ironed out with the supplier of Queensland Rail's (QR) new trains.

State Transport Minister Stirling Hinchliffe said some drivers were not able to see the stopping points on platforms from the windscreen of the rolling stock that was being delivered from India.

The problems were discovered in a batch of the new trains that had arrived for testing at the Wulkuraka Maintenance Centre, at Ipswich.

Mr Hinchliffe said QR had to make sure that all drivers, regardless of their height, could see the markers.

"There have been some issues in relation to line of sight for drivers to be able to see the points on platforms where they need to stop," Mr Hinchliffe said.

"There are issues that are being corrected in relation to that.

"Making sure that the visibility for the full range of our drivers - some who are not the same height as me for instance, and others who are my height or maybe taller - there's a range there and that all had to be assessed and there are details around that that had to be finalised."

Another issue was space for guards, which Mr Hinchliffe described as "the comfort and settings for the train crew".

'This is simply another red herring'

Mr Hinchliffe blamed the former LNP government for ordering the trains without space for guards, but Opposition Leader Tim Nicholls said that was a distraction from the timetable and driver shortage controversy.

Mr Nicholls said the LNP had wanted guards to walk through trains to provide safety, security and assistance to passengers.

"Guards are absolutely necessary on those trains and in government, what we were concerned to ensure was that guards weren't secreted away in a little cubby hole at the back of the train," he said.

"We're yet to see any evidence of what Mr Hinchliffe makes a claim about today. This is simply another red herring."

The Minister confirmed yesterday that negotiations about "supply issues" were underway with the consortium led by Bombardier.

But he still expected all 75 new trains to replace older rollingstock by next year.