Features: 540 size can replaces many stock motors

Metal Kadee Magne-Matic coupler head

gray in color

Axial AX30222 SCX10 XR10 EXO Wraith 14x70mm Shock Spring (Super Firm - 3

30 and 40 Series couplers

Kadee 309 HO Electric Uncoupler Under The Track XR10 Parts Features: 540 size can replacesKadee #309 Electric Uncoupler Under The Track HO This is the Kadee Electric Under The Track Uncoupler Kit Features: Delayed magnetic uncoupling action. A ready to assemble, switch on switch off electrically actuated magnetic uncoupler. Designed to mount anywhere under the "ties" of any code size of HO track. Detailed assembly instructions. Made in the USA. Includes: (1) Plastic Mounting Plate (4) Metal Field Plates (1) Plastic Field Plate Divider (1)