1940 CMP developments

[Hanno Spoelstra]

Originally posted by David_Hayward
information that cements the Marmon-Herrington connection with CMPs

You do have this bit of information, don´t you? Marmon-Herrington's expertise on all-wheel drive vehicles was also called upon when the Canadian automotive industry geared up for war production:

"Immediately after the war was declared, the Ford Motor Company of Canada were charged with the responsibility of developing a 4x4 truck for army use. Obviously, they had very little experience in this field [...] Consequently they went to the Marmon-Herrington Company, Indianapolis, who in peace time supplied conversion material to convert Standard Ford 4x2 trucks into 4x4 models for various commercial peace time usage. [...] these joints were unsuitable [...] [the weight of the more or less cab over engine design and heavy army wheels/tires put too much load on the front axle joints.] To solve this problem, "Bendix-Weiss and Rzeppa joints were chosen by General Motors and Ford respectively [...] [They later realized that the "Tracta" type was better but they were already tooled up with the above types, so left it as it was.] (The Design Record, Vol. 4, p. 27).

Source: http://www.geocities.com/marmonherrington/truck.html

Originally posted by David_Hayward
Was the M-H transfer case a single-speed or dual-speed?

Dual-speed.

H.