HO Scale Kadee #21 20-Series Plastic Couplers with Gearboxes

#21 Couplers - Long Underset Plastic Shank

This industry leading coupler features plastic standard coupler with metal knuckle, and #634 standard centering spring and comes complete with insulated draft gearbox and lid. The #21 Magne-Matic® Plastic Coupler may be mounted with the included #213 or #232 Gearbox or with most other manufacturers cast-on coupler pockets.

It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage.

Package Includes:

(2) Pair #21 Plastic Shank Couplers - Long Underset Shank
(2) Pair #634 Centering Spring NO.5® Style
(2) Pair #213 055" ID & .100" ID Bushing/Sleeves
(2) Pair #212 Talgo Truck Adaptors
(2) Pair #213 Gearboxes
(2) Pair #232 Gearboxes
(2) #622 Knuckle Springs

#21 Plastic Coupler Features:
Material - Metal Knuckle, Plastic Coupler Shank
Shank Length - Long (25/64") (center hole to back of coupler head)
Coupler Offset - Underset
Knuckle Spring - #622
Centering System - Standard Shank
Centering Spring - #634 Centering Spring NO.5® Style
Head - Standard Head
Works In Place of - #141, long underset "clone" couplers
Works With - #213, #232, #234, #242, most manufacturer cast-on draft gearboxes