Would be a labour of love for a toolmaker to build a proper set of stamping dies then have the press with the tonnage to stamp them!

The clam shells can be done with truck steel wheels cut in half and trimmed with a plasma cutter . It’s hard to tell the difference and it’s cheap . Try it .

CMP tool boxs
 

George McKenzie I believe posted drawings in MLU and also Bob Hammond, I do have drawings and will see if I can locate for both box and tire clamps, there are different tool box's depending on cargo box model

Attachment 116370 Attachment 116373 Attachment 116374 Attachment 116375

tool box
 

believe these where George McKenzies rough drawings, Bob I believe used a cut down or 1/2 of a the small propane tank to fabricate the clam tire clamps

Attachment 116376

Attachment 116377 Attachment 116378

Attachment 116379 Attachment 116380

CMP tool box and spare tire holder plans
 

Indeed George McKenzie made drawings to reproduce them - see CMP tool box and spare tire holder plans.

How to attach the early tool box to the chassis frame:

http://www.mapleleafup.net/forums/sh...788#post281788

How does the Cab 13 tool box fit to the chassis?

http://www.mapleleafup.net/forums/sh...ad.php?t=23955

Building a tool box and spare wheel holder using George's plans:

By Mike Timoshik: http://www.mapleleafup.net/forums/sh...4810#post94810

And JoãoBoscoBarbosa: http://www.mapleleafup.net/forums/sh...ad.php?t=25612