Model: With DELTA electronic circuit. 5 axles powered. 4 traction tires. Articulated frame to enable unit to negotiate sharp curves. Adjustable close coupling between locomotive and tender. Standard coupler pocket on the front, close coupler with guide mechanism on the tender. Ready for installation of 7226 smoke generator conventional operation) or Seuthe no. 11 smoke generator (DELTA/Digital operation). Length over buffers 26.0 cm / 10-1/4*.