The pacific though , with the same boiler , required its higher axles to be placed ahead of the firebox .
The 2 - 10 - 0 was of conventional layout , with the two rear driving axles set beneath the firebox grate and ashpan .
The pacific with the same boiler , required its higher axles to be placed ahead of the firebox .
The 2 - 10 - 0 was of conventional layout , with the two rear driving axles set beneath the firebox grate and ashpan .