Athearn Ready To Roll Coupler Replacement
Coel Miller and 2 other contributors
Last updated on Dec 24, 2025
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Introduction
Go to step 1 ↓This guide demonstrates how to replace a coupler on an Aethern Ready to Roll Railcar (ATH71981). The ATH71981 is an HO Scale 65-foot (65') Mill Gondola model train.
The coupler connects one railcar to another, allowing them to be towed by a locomotive. The coupler may need to be replaced if it's damaged and can't connect to other couplers.
This guide covers the replacement of a damaged coupler and aims to extend the model's lifespan, save you money, and reduce potential waste.
What you need
Tools
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Spudger4.9
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Flip the railcar upside down so the bottom is facing up.
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Use a Phillips #0 screwdriver to remove the 4.3 mm screw that holds the truck in place.
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Remove the truck from the bottom of the train.
Ask FixBot
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Use a Phillips #0 screwdriver to remove the 4.3 mm screw from the coupler housing from the frame.
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Remove the coupler housing.
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Use a plastic spudger to remove the coupler housing backplate from the main coupler housing.
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Remove the current coupler from the main housing section.
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Put the new coupler inside the housing with the air hose on the opposite side of the open end.
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Reattach the coupler housing backplate to main coupler housing.
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Attach the coupler housing to the frame and screw it in place using a Phillips #0 Screwdriver.
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Mount the truck to the frame.
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Use a Phillips #0 screwdriver to secure the 4.3 mm screw.
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By completing this repair, you have successfully extended the lifespan of your Athearn Ready-to-Roll railcairs. You have saved money and reduced potential waste.
