Posted by tractorguy2 on February 15, 2021 at 17:38:29 from (64.147.45.61):
In Reply to: Zinc rot posted by svcummins on February 14, 2021 at 03:06:51:
I have heard of it and seen it with my own eyes. Most of the toys that have this problem are in the Precision Key line and the JD heritage series made for John Deere collector center.
The toys were made in China with little to no quality control. The mix for the diecast didn't have the correct amount of lead.
Toys having this problem will simply fall apart while sitting on the shelf or even if it's NIB.
The first sign is when the surface of the diecast metal starts to change and looks like the surface of an egg shell. Later you will start seeing web like cracks covering the entire surface. Then finally they toy just crumbles into little tiny pieces.
My favorite toy in my collection was the 1937 heritage model D. It started to crack so I put it on facebook and sold it rather than watch it fall to pieces.
There are more toys than I can remember that have this problem. I know the toys I listed below do.
Heritage 1937 D Heritage 620lp gas high crop John Deere bull dozer
Precision Key
JD 140 garden tractor JD 4020 wheatland All IH 86 series Precision Keys 2+2 1468
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