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moser2r16a
04-10-2013, 08:07 AM
I have a 1959 Studebaker 4E16 with a Rockwell Model 601 2 NX 2. Does any body know what rating the axle is? If so would parts for the Rockwell 2.5 ton fit it?

Skip Lackie
04-10-2013, 08:14 AM
If no one else responds, I can look it up on Thurs. Don't have access to my literature at the moment. I doubt that many parts will interchange, as I think the two axles are different in most respects. They certainly differ in size.

moser2r16a
04-10-2013, 12:13 PM
Alright thanks I am in no hurry to know

Skip Lackie
04-11-2013, 03:57 PM
The 59 4E truck spec book says that axle (made by Rockwell under license from Timken) is rated at 14,000 lbs and 2150 ft lbs of torque. There was no 2.5-ton Stude truck in 1959. The 4E40 was the biggest, and was advertised as a 2-ton HD model. The 4E40's rear axle was rated at either 15K or 16K, depending on model. Your axle was shared with several other Stude models (E16/17/28/38), but the E40 axle is shared with no other Stude truck model. It does not appear that any of the parts interchange between the two models of rear axle.

moser2r16a
04-12-2013, 11:46 AM
Alright thank you very much for the information! I need to get the books for the 4E trucks.

Skip Lackie
04-12-2013, 03:32 PM
There is a single parts book that covers both chassis and body for all 57-61 (3E-6E) trucks. They're available on both CD and as reprints, and originals come up on ebay all the time.

I think the reason that the E40s used a different axle from its smaller brethren was not due to its greater carrying capacity, but because the E40 axles came with much bigger brakes. And in those days, everybody overloaded their trucks.

moser2r16a
04-18-2013, 09:54 AM
Alright thanks. I will look into getting the book if i keep the truck. Or get the book for Reference about parts