The body casting includes the standard OO9 coupling hook. You can of course carefully remove the hook, and drill out for another connector of your choice. OO9/009 Bagnall Contractors Quarry Locomotive 0-4-0 Narrow Gauge Steam body kit (for TU-KOPPEL chassis loco)A narrow gauge 0-4-0 contractors/quarry locomotive, Bagnall saddle tank style, body kit only, see text/photos for what is included.