PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT INNER DUO CONE SEAL ON CERTAIN 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT INNER DUO CONE SEAL ON CERTAIN 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS

Usage:

TEBE8443-00

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04Dec2018

U-677

A-493

D-601

O-595

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE FRONT INNER DUO CONE SEAL ON CERTAIN 793D, 793F, AND 793F CMD OFF-HIGHWAY TRUCKS
4006 4251		PS53910

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NOTE:	Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
NOTE:	This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53910" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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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TERMINATION DATE

31Dec2020

PROBLEM

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The existing inner duo cone seal can fail due to the toric becoming dislodged on certain 793D, 793F, and 793F CMD Off-Highway Trucks. If the existing duo cone seal leaks it can result in oil transfer and loss of oil viscosity.

AFFECTED PRODUCT

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Model	Identification Number
793D	FDB01856-01976
793F	D3T00144-00151 SSP01126-01225
793F CMD	RBT00174-00216

PARTS NEEDED

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Qty	Part Number	Description
1	4S5879	SEAL-O-RING
1	6V3967	SEAL-O-RING
1	9X7310	RING-SEAL
1	1237270	SEAL-RING
1	3144130	SEAL-GROUP
1	4218985	SEAL GP-DUO CONE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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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Replace the failed 365-4924 Seal Gp with the improved 421-8985 Seal Gp. Reference RENR8332 (793D) or KENR8579 (793F) for disassembly and assembly instructions.

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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%
0-8000 hrs, 0-16 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-16000 hrs, 17-32 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 30.0-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.

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