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E40D / 4R100 Billet Forward Planetary Gear

E4OD and 4R100 Billet Forward Planetary
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*Our newest units are anodized in black. Color may vary, performance will not.*

Attention to detail should be important to you.  Gaining every possible advantage could be the difference between success and failure.

Made from 300M Alloy Steel, those who are in excess of 600 HP should consider some or all Billet internals, depending on your application. Call your sales representative if you need assistance for your custom build.

If you are considering or know that you need Billet internals, then your application is truly Heavy Duty.

Many re-builders or suppliers of re-builders weld the planet shafts instead of pinning.  The extra step of pinning takes some precise machining and a little extra time.

Certainly worth it to provide a quality product.

Why is welding the planet shafts a potentially bad idea?  Since the ­­­­­­­­­­­­­­­­­­­­shaft is surrounded by roller bearings, heating during welding can cause distortion or damage to the bearings.