They were based at the WMR 's Paekakariki depot .
They were were used primarily to haul mixed passenger and freight trains over the relatively easily graded Paekakariki - Longburn section of the company 's line .
They were based at the WMR 's Paekakariki depot , and were used primarily to haul mixed passenger and freight trains over the relatively easily graded Paekakariki - Longburn section of the company 's line .