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G503 WWII Jeep 1941 Willys MB History


The G503 WWII Jeep 1941 1942 Willys MB has an important place in history. Here some interesting notes about the Jeep history for this time period.

This article applies to Willys MB or Slat grille WWII Military Jeeps 


1. Willys Contracts
Willys had 7 contracts with the Government to build the Willys/Bantam design jeep. They were as follows: (summarized from Nabholtz information)

2. 

Contract #Serial #Date of DeliveryHow Many?(Approx)
W-1100001-118xxxNov 41 - Feb 4218,000+
W-2118xxx-142xxxFeb 42 - May 4224,000+
W-3142xxx-204xxxMay 42 - Jan 4362,000+
W-4204xxx-289xxxJan 43 - Dec 4385,000+
W-5289xxx-402xxxDec 43 - Dec 44113,000+
W-6402xxx-456xxxDec 44 - Jul 4554,000+
W-7456xxx-459851Jul 45 - Sep 453500~
Total:459,850

3. A Willys Jeep produced in 1941 could be under one contract:
Contract W-1
Serial numbers: 100001-108xxx. ALL were Slat Grills

4. Note: Slat Grills were Production Serial Numbers :

11/18/1941 - MB100001 thru 3/6/1942 - MB125809

5. 
1941 Production by Month

MonthSerial NumberHow Many?
Nov 41100001-101xxx1,000+
Dec 41101xxx-108xxx8,000~


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