Wheel differential case change – Spicer 40K User Manual
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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.