A TRS2019 and above steam engine spec for a Peckett Class R3 0-4-0 saddle tank, but would be suitable for any similar small industrial loco. Boiler pressure 180psi. Tractive effort 12,072lbs. This spec. uses real world data and will perform most accurately if used with Stovepipe's e-specs for British rolling stock. Please see the included readme.txt for further information.