2011/10/19 Caterpillar

Backhoe Loader:

416Series E (S/N: LMS1-UP)

416E (S/N: SHA1-UP; BWC1-UP; CBD1-UP; MFG1-UP)

420Series E (S/N: DJL1-UP; DAN1-UP)

420E (S/N: PRA1-UP; PHC1-UP; GEK1-UP; GAN1-UP; HLS1-UP; KMW1-UP)

422E (S/N: HBE1-UP; DSK1-UP)

428E (S/N: DXC1-UP; SNL1-UP)

430Series E (S/N: MXB1-UP; SWC1-UP)

430E (S/N: SCD1-UP; RLN1-UP; DDT1-UP; EAT1-UP)

432E (S/N: BXE1-UP; RXS1-UP)

434E (S/N: SXB1-UP; FSH1-UP)

442E (S/N: PCR1-UP; GKZ1-UP)

444E (S/N: HXB1-UP; LBE1-UP)

Service Magazine SEPD1345, 19 October 2011, "New High Performance Seals are Available for Certain Backhoe Loaders". Disregard existing article. Refer to the following information.

Description of Change: New seals are now available for the boom cylinders on the Backhoe Loaders listed.

The new seals are designed with improved compression qualities and are more resistant to extrusion. These changes will improve seal performance and extend seal life.

Parts by Application

• Piston Seals for the 210-7074 Boom Cylinder Gp

Table 1

New Part Number	Description	Former Part Number	Seal Kit w/New Seal
9X-7269	Seal As	5J-4986	295-9891 Seal Kit

The 5J-4986 Seal As is replaced by the 9X-7269 Seal As

This seal is applicable to the 210-7074 Boom Cylinder Gp

Note: The 9X-7269 Seal As is now included with the 295-9891 Seal Kit as well.

• Piston Seals for the 210-7076 Boom Cylinder Gp

Table 2

New Part Number	Description	Former Part Number	Seal Kit w/New Seal
4T-8588	Seal As	5J-4987	295-9893 Seal Kit

The 5J-4987 Seal As is replaced by the 4T-8588 Seal As .

This seal is applicable to the 210-7076 Boom Cylinder Gp .

Note: The 4T-8588 Seal As is now included with the 295-9893 Seal Kit as well.

• Rod Seals for the 246-9884 Boom Cylinder Gp and 268-9051 Boom Cylinder Gp .

Service rod seals on 246-9884 Boom Cylinder Gp and 268-9051 Boom Cylinder Gp with the following parts.

• 312-4247 Wiper Seal

• 364-0086 U-Cup Seal

• 312-4248 Buffer Seal As

Note: The 376-9015 Hydraulic Cylinder Seal Kit contains these seals however, the kit is not yet associated with the 268-9051 Boom Cylinder Gp .

Adaptable To: The new seals are adaptable to the following machines.

• 416E (S/N: CBD1-UP; MFG1-UP; SHA1-UP)

• 416E ST (S/N: BWC1-UP; LMS1-UP)

• 420E (S/N: HLS1-UP; KMW1-UP; PHC1-UP; PRA1-UP; GAN1-UP; GEK1-UP)

• 420E PL (S/N: DAN1-UP )

• 420E ST (S/N: DJL1-UP )

• 422E (S/N: DSK1-UP ; HBE1-UP ; MAW1-UP )

• 428E (S/N: DXC1-UP ; SNL1-UP)

• Series 430E (S/N: DDT1-UP; EAT1-UP; RLN1-UP; SCD1-UP)

• 430E IT (S/N: MXB1-UP)

• .430E ST (S/N: SWC1-UP)

• 432E (S/N: BXE1-UP; RXS1-UP)

• 434E (S/N: FSH1-UP; SXB1-UP)

• 442E (S/N: GKZ1-UP; PCR1-UP)

• 444E (S/N: HXB1-UP) (S/N: LBE1-UP)