Kadee 747 O Scale Type E Medium Underset Metal Couplers with Plastic Gear Boxes Bumper - Rear and high speed setting

and high speed setting

The Self-Centering Action allows the trucks to self align parallel with the car for easier placement on track

So we can only tell you that RC4WD tires and wheels work together

Their passion for cutting edge design

Rugged and fully-waterproof

Kadee 747 O Scale Type E Medium Underset Metal Couplers with Plastic Gear Boxes Bumper - Rear and high speed settingKadee 747 O Scale Type E Medium Underset Metal Couplers with Plastic Gear Boxes This industry leading coupler features New Generation AAR Type "E" "Prototype" Head Medium Overset Metal Couplers, and #850 O Scale centering spring and comes complete with Plastic Gearboxes and lids. The #747 Metal Coupler may be mounted with the included #817 Plastic Gearbox or #818 Metal Gearbox (sold separately), #819 Extended Metal Gearbox (sold separately). It is not