DC-4 differences

What is the deal with the different front end on both of these DC-4"s? Was it changed at a certain model year? Was one an option? Any other differences between the two?
 

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The heart shaped, extended front end was used after the Eagle Hitch was introduced to offset the weight of mounted implements. Don
 
Axle is the same, Wishbone and chicken roost is different. Keep in mind the D axle is different than the DC4.
 
are they a different axle or is it just the extension for the added height to make up for the 38" rubber on a DC-4? I never looked it up in the parts book I just thought it was the same as a D but with the extension added?
cnt
 
Tom,

I think the axle is the same on all. But the wishbone for a D or DO is slightly different than for an under the radiator DC4. The angle of the wishbone has to change to account for the axle pivot extension on a DC4. We found that out when trying to put a D front end under a DC4 for tractor pulling. Don
 
It's not the eagle hitch. It's the year. I have an original 1950 with the heart shaped front, live power and clamshell fenders. I believe they were leading up to the eagle hitch.
 
Axles are different! On the D the center of the wheel is above the axle. On the DC4 it is below the axle. Spindles are different.
 
Darrel,

According to the CaseIH parts site the axle is the same on all fixed wide fronts, if I'm reading it correctly. You are correct in that the spindles are different. Don
 
Last year, I did a lot of mixing and matching parts to build a C. The front axle is the same on a C, DC-4, and DC-4 with heart shaped front end. The wishbone on a C is riveted construction, while the later Ds and DC-4s are welded. The heart shaped wishbone is completely different. The DC-4s not a heart shaped bracket have an extra bracket at the pivot to lower the front axle about 4 inches to match the taller back tires.
 

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