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Diecast Masters Zinc Rot? Options · View
Jamiescotland
Posted: Saturday, December 31, 2022 7:25:38 AM

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Joined: 8/19/2013
Posts: 695
Has anyone had any issues with zinc rot with Diecast Masters models? I noticed this listing for a CAT 793D on Ebay which ended last night. If you study the photos, you can see clear metal fatigue on the chassis and steering assembly in several photos.

This is most definitely bad news. Which other models might be affected?

https://www.ebay.co.uk/itm/Boxed-Diecast-CAT-793D-Mining-Truck-Item-Number-85174-Scale-1-50-/175541335816?nma=true&si=BVlDc8YNvoL7ONyXUGaAKntd03A%253D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557
digggerr
Posted: Saturday, December 31, 2022 10:12:14 AM
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Joined: 11/15/2003
Posts: 1,144
Location: North America
I don't see what you're seeing.
Cat938k
Posted: Saturday, December 31, 2022 11:50:00 AM

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Joined: 5/19/2014
Posts: 216
Location: Ontario Canada
The paint on the cross bar is kinda cracked.

Could be lack of quality control or cheaper junk paint?


- Tyler

Cat938k
Posted: Saturday, December 31, 2022 11:50:31 AM

Rank: Advanced Member
Groups: Member

Joined: 5/19/2014
Posts: 216
Location: Ontario Canada
The paint on the cross bar is kinda cracked.

Could be lack of quality control or cheaper junk paint?


- Tyler

Jamiescotland
Posted: Saturday, December 31, 2022 1:36:04 PM

Rank: Advanced Member
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Joined: 8/19/2013
Posts: 695
See picture 8 - look just in front of the lift rams and there is a crack in the chassis. Also in this picture, the bulkhead at the back of the cab has terrible 'orange peel' effect in the paint - a sign of possible zinc rot.
See picture 9 - chassis cracks and the screw is ripped out.

I admit it's not obvious, but I will say with 100% certainty that this model has zinc rot on the chassis.
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