Switchable on/off constant triple headlights, co-ordinated with direction of travel. Prototypical "daylight" between boiler and chassis. Fully operational, finely detailed Heusinger valve gear. Cast metal chassis. Motor with flywheel. Drive in tender onto 4 wheels with 2 traction tyres. Close-coupling between loco and tender. Slot-guide mechanism at each end and automatic PROFI-couplings with pre-uncoupling for true close coupling. Standard NEM 362 coupling socket. Epoch IV