New Plates, Retainers, and Duo-Cone Seals for the Brake and Wheel Groups are Now Used on Certain 793D, 793F, and MT4400D AC Off-Highway Trucks with Extended Life Wheel Configuration {4006, 4008, 4051, 4251, 4267, 7555, 7561} Caterpillar

New Plates, Retainers, and Duo-Cone Seals for the Brake and Wheel Groups are Now Used on Certain 793D, 793F, and MT4400D AC Off-Highway Trucks with Extended Life Wheel Configuration {4006, 4008, 4051, 4251, 4267, 7555, 7561}

Usage:

793D FDB

Off-Highway Truck/Tractor: 793D (S/N: FDB1-UP); 793F (S/N: SSP1-UP; SXP1-UP; RBT1-UP); MT4400D AC (S/N: MH41-UP; MT41-UP)

Description Of Change: New plates, retainers, and Duo-Cone Seals for the wheel group are now used on the machines listed above. The new seal has improved travel and provides a more consistent load that is more durable to improve service life and reduce leaks. New end plate and retainer have a new design that has optimized thickness and tolerances.

Adaptable To:

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Table 1
Required Parts List
Item	Quantity	Part Number	Description	Former Part Number
1	1	372-4158	Plate As	216-4045
2	1	378-0592	Duo-Cone Seal Gp	314-4126
3	1	375-8469	Seal Retainer	190-6096
4	1	375-8470	Retainer	183-9526

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Illustration 1	g06022981
Service and Parking Brake Gp

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Illustration 2	g06023721
Final Drive, Brake, and Wheel Gp

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Illustration 3	g06022985
Wheel and Brake Gp

New 372-4158 Plate As (1) is a part of 188-5019 Service and Parking Brake Gp and 188-5020 Service and Parking Brake Gp in the wheel arrangements.

New 378-0592 Duo-Cone Seal Gp (2) is a part of 280-2052 Final Drive, Brake and Wheel Gp, 334-5493 Final Drive, Brake and Wheel Gp, 190-6105 Final Drive, Brake and Wheel Gp, 302-8164 Final Drive, Brake and Wheel Gp, 280-2057 Wheel and Brake Gp, 216-1716 Wheel and Brake Gp, 309-4133 Wheel and Brake Gp, 337-7950 Wheel and Brake Gp, and 293-7341 Final Drive, Brake, and Wheel Gp in the wheel arrangements.

New 375-8469 Seal Retainer (3) is a part of 280-2052 Final Drive, Brake and Wheel Gp, 334-5493 Final Drive, Brake and Wheel Gp, 190-6105 Final Drive, Brake and Wheel Gp, 302-8164 Final Drive, Brake and Wheel Gp, and 293-7341 Final Drive, Brake, and Wheel Gp in the wheel arrangements.

New 375-8470 Retainer (4) is a part of 280-2057 Wheel and Brake Gp, 216-1716 Wheel and Brake Gp, 309-4133 Wheel and Brake Gp, and 337-7950 Wheel and Brake Gp in the wheel arrangements.

The new parts are adaptable to machines and effective in production with machines that are listed in Table2.

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Table 2
Sales Model	Adaptable to Machines	Effective in Production with Machines
793D	S/N:FDB1-1614	S/N:FDB1615-UP
793F	S/N:SSP1-568	S/N:SSP569-UP
	S/N:RBT1-118	S/N:RBT119-UP
	S/N:SXP1-100	S/N:SXP101-UP
MT4400D AC	S/N:MT41-99	S/N:MT4100-UP
MT4400D AC	S/N:MH41-99	S/N:MH4100-UP