User guide

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INFORMATION BULLETIN ABIB-0704 – 40K Helical Thrust Washer and Wheel Differential Case Changes
Wheel Differential Case Change:
Change date: Aug 20
th
2007*
*(change date and actual implementation of this change are not exact for each part as inventories are being depleted)
New wheel differential cases have been released that are designed to enhance the lube flow to the
“Wheel Differential Section”. Referred to as the Coreless design, the new differential cases are designed
with new lube passage openings that increase the flow of axle lubricant in and out of the wheel differential
nest.
Original P/N’s Description New P/N’s Service Kits
129464 Flange Half 133737* 508653 & 508724*
129465 Flange Half 133738 508654 & 508725*
129466 Flange Half 133739 508655 & 508726*
129467 Flange Half 133740* 508656 & 508727*
127498 Plain Half* 132437 508653 thru 508656
*Note: The plain half diff case P/N 128607 for “Diff-Lock” models did not change.
New Design Flange Half Original Design Flange Half
New Design Plain Half Original Design Plain Half
The material contained in this bulletin is product improvement information. Dana Corporation is
not
committed to, or liable for, canvassing existing products.