PRODUCT SUPPORT PROGRAM FOR REPLACING THE RING GEAR AND FINAL DRIVE BEARINGS ON CERTAIN D6T TRACK-TYPE TRACTORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE RING GEAR AND FINAL DRIVE BEARINGS ON CERTAIN D6T TRACK-TYPE TRACTORS

Usage:

REBE6281-02

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06Apr2011

(Revised 26Mar2012)

U-138

A-114

D-124

O-128

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE RING GEAR AND FINAL DRIVE BEARINGS ON CERTAIN D6T TRACK-TYPE TRACTORS
4050 4055		PS43260

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NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43260" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

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NOTE:	This Revised Service Letter replaces the 06Apr2011 (Revised 17May2011) Service Letter. Changes have been made to the Affected Product and Service Claim Allowance Part Age.

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TERMINATION DATE

30Apr2013

PROBLEM

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The planet gear bearings in the final drives may fail prematurely on certain D6T Track-Type Tractors. This failure can cause resultant damage to other rolling components in the final drive.

AFFECTED PRODUCT

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Model	Identification Number
D6T LGP	KJL00200, 367-1172 LKJ00175-00490
D6T P LGP	JWD00250-00270 WCG00328-00592
D6T P XW	DJG00250-00251, 287-504 RLW00225-00234

PARTS NEEDED

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Qty	Part Number	Description
6	1H9696	SEAL-O-RING
2	1P9005	SEAL-O RING
2	9H3360	SEAL-O RING
2	2694739	SEAL-LIP TYPE
2	3356121	GEAR-RING
12	3436237	BEARING
1	FNDR_OIL	FINAL DRIVE OIL 27L (7.2 GAL) See OMM
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Install new Ring Gear and Final Drive Planetary Bearings. Refer to KENR5126 for removal and installation of the final drive planetary carrier (in chassis).

- In order to avoid catastrophic failure, use the following guidelines until this letter can be applied.

Excessive debris on the plug can indicate a problem with the planet bearings. Inspect the magnetic drain plug for excessive debris when performing the prescribed OMM 250 hour maintenance interval oil level check. SOS can also be used as the monitoring device.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-3000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
3001-6000 hrs, 37-72 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 8.0-hour job If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
Parts and Labor are for both final drives. Please follow re-use guidelines. An additional 4.0 hours per machine will be allowed for an after-failure repair.

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