RC4WD Z-G0070 Internal Gear Set R3 Single Speed Transmission Made by RC 4WD; RC 4WD is a USA based company; parts are sourced from Chinese producers RC 4WD part number Z-G0070; UPC 812115023962 This item works with: RC 4WD 1:18 Gelande II, Gelande II, Geolander, RC4WD TF2 LWB, TF2 SWB, Trail Finder 2