Used in place of HR coupler for scale operation Set of 6
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Single U-Joint that fits on motor shaft; common part that develops a crack. fits 462, K4, 484, and J3A. (2.2mm) set of 3 of the same part
Two U-Joints, one drive shaft. This will fit 462, J3a, and K4; not the 484. Red u-joint fits on the worm shaft, white the motor
Two U-Joints, one drive shaft for the 484 steam engine. Red is for the worm shaft, white for motor
Used on all steam engines between axle gears; 18t
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