D46U straight blade,D46U cat angle blade,allis chalmers AD4 grader and Khoering 404 dragline. D4C 40A,D4 2T and scraper.
no not as configured.
Okay, Is there any other later model track that will fit on a D4 7U, or that can be modified to fit on the D4 7U?
Okay, Is there any other later model track that will fit on a D4 7U, or that can be modified to fit on the D4 7U?
No, The D4U 6.75" pitch uses 2" diameter bushings. Later models use 2-1/8" diameter bushings. A change in sprockets also changes sprocket diameter.
What if you machined .125 inches off the outside of the bushing? Would it fit then? I have a Machine Shop.
Hank
D46U straight blade,D46U cat angle blade,allis chalmers AD4 grader and Khoering 404 dragline. D4C 40A,D4 2T and scraper.
no need to machine anything. check your sprockets wear pattern and compare to the dimension of the sprockets for the chains with 2-1/8 inch bushings. there is a good chance the newer chains will work with your worn sprockets. you will need to count the links in your existing chain and probably have to have one or more links removed. look at the track spec for the d4d??? or get the berco chains with smaller diameter bushings. do compare the size of the shoe bolts because you may need to get new shoes or drill out the holes in your existing shoes.
You don't want to sacrifice bushing diameter. Cat recommends grinding sprocket root 1/8" if later chains are used......or as bursitis states, worn sprockets may be a close match fit. Grouser mounting bolts will most assuredly be different.
Okay, call me stupid. Is the a reason that you cannot use the grousers that fit the 2 1/8inch chain?
D46U straight blade,D46U cat angle blade,allis chalmers AD4 grader and Khoering 404 dragline. D4C 40A,D4 2T and scraper.
Okay, call me stupid. Is the a reason that you cannot use the grousers that fit the 2 1/8inch chain?
"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"
instead of perfection some times we just have to accept practicality
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