Kadee #1745 ~ O Scale Type "SBE" Bottom Shelf Medium Centerset Metal Couplers with Plastic Gearboxes ~ Black

#1745 O Scale "SBE" Bottom Shelf Medium Centerset Metal Couplers with Plastic Gearboxes. This industry leading coupler features New Generation AAR Type "SBE" Bottom Shelf Medium Centerset Metal Couplers, and #850 O Scale centering spring and comes complete with Plastic Gearboxes and lids. The #1745 Metal Coupler may be mounted with the included #817 Plastic Gearbox or #818 Metal Gearbox (sold seperatly), #819 Extended Metal Gearbox (sold seperatly). 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. Two pair per package New Generation AAR Type "SBE" "Prototype" Head: Simple Drop in DesignTrouble Free OperationHidden Knuckle SpringAAR Type "SBE" Bottom Shelf Coupler StyleCompatible with Kadee® O-Scale CouplersWorld-Renowned Quality & PerformancePackage Includes: (4) Each #1745 Type "SBE" Bottom Shelf Metal Couplers - Medium Centerset Shank(4) Each #817 Plastic Gearboxes & lids(5) Each #850 O Scale Centering Springs #1745 Type "SBE" Bottom Shelf Metal Coupler Features:Material - MetalShank Length - Medium (47/64") (Knuckle pulling face to center hole of Draft Gearbox)Coupler Offset - CentersetCentering Spring - #850 O Scale Centering SpringsHead - New Generation AAR Type Type "SBE" Bottom Shelf HeadWorks In Place of - #740, #800, #801, #804, #805, & #816 O Scale Medium Centerset Shank CouplersWorks With - #817, #818, #819 Draft Gearboxes #817 Plastic Draft Gearboxes & Lids Features:Material - PlasticDimensions - 25/32"L x 1/2"W x 7/32"HWorks With - #740, #742, #745, #746, #747, #800, #801, #804, #805, & #816 Couplers Mounting Specifications:Mounting Height - 25/32"Centerline - 1 1/16"Trip Pin Height - 1/16"Mounting Holes - 2-56 Insulated Screws are the most commonly used. (Screw length will vary)