jgladu@bcm.tmc.edu (John Gladu) asks...
> What changed after '63?  Is that when they went to the larger-diameter
> stub-axle sticking out of the xfer case?  As I see it, the rest didn't
> change that much. (When did the big door go on the back?).

After 63 the Microbus is rated at 1 ton.

 +=======================+
 | Richard Kurtz         |          .-----------------------------------.
 | rmk@tyrell.net        |         /_____________________________________\   
 | (816)322-2176         |         /""""/""""/"|"""||"""||"""||"""||"""|  |
 |                       |        /    /    /  |   ||   ||   ||   ||   |  |
 | 67 Deluxe Microbus    |       /____/____/___|___||___||___||___||___|  |
 | 71 Bug                |      /----------=|======|======================|
 | 64 Deluxe Microbus    |      |O\  /V\  /O|    =.|                      |
 | (under construction)  |      |  \ \W/ /  |      |                      |
 |                       |      |() \ " / ()|   __ |                      |
 | Looking for 68-71 Bus |      |    \ /    |  /  \               .----   |
 +=======================+     <==C======C==>_| () |<============>| () |_<==>
            ||                    \\\__/     \\\__/    \\\__/    \\\__/      
 /////////////////////////////////////////////////////////////////////////////
 //(Picture inspired by ascii drawing posted by Hal Wigoda (hwigoda@mcs.com)//
 /////////////////////////////////////////////////////////////////////////////