Kadee 803 On3 Scale Plastic Couplers & Gearboxes, Black, 2 Pairs

The Kadee 803 is a two-pair On3 scale coupler set featuring black plastic couplers supplied complete with black plastic gearboxes and lids. Made in the U.S.A., the 803 is a simple drop-in design that works in place of #807 couplers and includes 0-48 mounting screws. It uses the #846 On3 scale centering spring and #847 On3 scale knuckle springs.

Each 803 package includes 4 #803 plastic couplers in black, 4 #803 plastic gearboxes and lids in black, 6 #846 On3 scale centering springs, 2 extra #847 On3 scale knuckle springs, and 8 0-48 x 3/8 screws. The coupler has a 17/64" centerset shank measured from the back of the head to the center hole of the draft gearbox, and the gearbox measures 37/64"L x 3/8"W x 11/64"H. Mounting height is 5/8", centerline is 9/16", and trip pin height is 1/16"; 0-48 or 0-80 screws are most commonly used. Confirm installation with the #813 On3 scale coupler height gauge.

Key Features:
- Part number 803, two pairs per package, On3 scale, black
- Plastic couplers with plastic gearboxes and lids; drop-in design
- 17/64" centerset shank; uses #846 centering springs and #847 knuckle springs
- Includes 4 couplers, 4 gearboxes and lids, 6 #846 centering springs, 2 extra #847 knuckle springs
- Includes 8 0-48 x 3/8 screws
- Gearbox dimensions 37/64"L x 3/8"W x 11/64"H
- Mounting height 5/8", centerline 9/16", trip pin height 1/16"; works in place of #807
- Knuckle-style Magne-Matic couplers; made in the U.S.A.