For servicing KO Propo PDS-2501 or PDS-2503 units, the KO Propo 35552 gear set offers a reliable spare parts option. It is suited to routine maintenance where worn gears are affecting performance.
The gear set is matched to the PDS-2501 and PDS-2503 gear train so you can expect consistent movement and control. Use careful reassembly to preserve alignment and minimise binding.
Regular checks of gear mesh and smoothness will help catch wear early. Replacing the 35552 gears as part of scheduled servicing keeps servos performing predictably on the track.
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