Hi Eric
All your questions can be answered from the parts and maintenance manuals I recommended in an earlier post..
The pictures in the manuals alone are well worth the price..These manuals are the bible for CMP restorers.
Here they are again..
Parts manual...
#26: 327 pages NO NUMBER FORD CANADA, ILLUST. ARMY PARTS CATALOGUE 1940-42 FOR CDN. MIL. PATTERN VEHICLES. 8" CWT-4x2, 15CWT-4x2, 15CWT-4x4, 30CWT-4x4, 3-TON4x4, 3-TON-6x4, F.A. TRACTOR 4x4. (Jan. '42)
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Maintenance manual
#27: 388 pages NEW MB-F1 FORD OPERATION, MAINTENANCE AND REPAIR, CMP, Jan. '42.
Contact me off line should you require them