A New Bearing Cage Assembly is Now Used in the Planetary Group on Certain Wheel Tractor-Scrapers and Off-Highway Trucks {3030, 3160} Caterpillar

Off-Highway Truck/Tractor

73D (S/N: 9YS1-UP; 1GW1-UP)

769C (S/N: 01X1-UP)

772 (S/N: 10S1-UP)

772B (S/N: 64W1-UP)

773B (S/N: 5SC1-UP; 63W1-UP)

773D (S/N: NBJ1-UP; 7ER1-UP; 7CS1-UP)

773E (S/N: BDA1-UP; PRB1-UP; KEG1-UP; ASK1-UP)

773F (S/N: EED1-UP; EXD1-UP)

OEM POWERTRAIN (S/N: DTE1-UP)

Quarry Truck

773G (S/N: MWH1-UP; JWS1-UP; T5S1-UP; T5T1-UP)

775B (S/N: 7XJ1-UP)

775D (S/N: 8AS1-UP)

775E (S/N: BEC1-UP)

775F (S/N: EYG1-UP; DLS1-UP)

775G (S/N: T5F1-UP; RFM1-UP; MJS1-UP; T5W1-UP)

Underground Articulated Truck

AD55B (S/N: JNW1-UP)

AD60 (S/N: KNW1-UP; NNW1-UP)

Wheel Tractor-Scraper

621 (S/N: 2DB1-UP; 37G1-UP; 23H1-UP)

621B (S/N: 2GB1-UP; 6XB1-UP; 7KC1-UP; 8HC1-UP; 9AC1-UP; 45P1-UP; 35V1-UP)

621E (S/N: 2PD1-UP; 2TF1-UP)

621F (S/N: 5JK1-UP; 8PL1-UP; 9NL1-UP)

621G (S/N: DBB1-UP; DXB1-UP; MSE1-UP; ANG1-UP; KLK1-UP; NEL1-UP; CEN1-UP; ALP1-UP; CEP1-UP; KJW1-UP; DBX1-UP; MEX1-UP)

621H (S/N: DBK1-UP; HKK1-UP; NYY1-UP; EAZ1-UP)

621K (S/N: WTA1-UP; WTE1-UP; WTL1-UP; WTP1-UP)

621R (S/N: 12Y1-UP)

621S (S/N: 8KD1-UP)

623 (S/N: 26U1-UP)

623B (S/N: 61E1-UP; 46P1-UP)

623E (S/N: 6CB1-UP; 6DB1-UP; 6YF1-UP)

623F (S/N: 5SG1-UP; 6BK1-UP; 3XW1-UP; 5EW1-UP)

623G (S/N: AWB1-UP; DBC1-UP; CES1-UP; ARW1-UP; DBY1-UP)

623H (S/N: EJD1-UP; DBF1-UP)

623K (S/N: WTB1-UP; WTM1-UP)

627 (S/N: 50K1-UP; 54K1-UP; 68M1-UP)

627B (S/N: 2WC1-UP; 14S1-UP; 15S1-UP; 32V1-UP; 34V1-UP; 37V1-UP; 38V1-UP; 56V1-UP)

627E (S/N: 4MB1-UP; 6EB1-UP; 6FB1-UP; 6GB1-UP; 6HB1-UP; 7CG1-UP; 3WJ1-UP)

627F (S/N: 4YK1-UP; 1DL1-UP)

627G (S/N: DBD1-UP; AXF1-UP; AYK1-UP; CEX1-UP; CEZ1-UP; DBZ1-UP)

627H (S/N: LCT1-UP; DBW1-UP)

627K (S/N: WTC1-UP; WTN1-UP)

631A (S/N: 51F1-UP)

631B (S/N: 98F1-UP; 13G1-UP)

631C (S/N: 28F1-UP; 11G1-UP; 67M1-UP)

631D (S/N: 24W1-UP; 28W1-UP; 39W1-UP; 66W1-UP)

631E (S/N: 1AB1-UP; 1BB1-UP; 6PC1-UP; 4LD1-UP)

631E Series II (S/N: 1NB1-UP; 3ND1-UP)

631G (S/N: DFA1-UP; DXE1-UP; AWK1-UP; CLR1-UP; M1W1-UP; AXZ1-UP)

631K (S/N: WT41-UP; WT61-UP; WTR1-UP; WTW1-UP)

633 (S/N: 44J1-UP)

633B (S/N: 86H1-UP)

633C (S/N: 66M1-UP)

633D (S/N: 25W1-UP)

633E Series II (S/N: 1EB1-UP; 2PS1-UP)

637 (S/N: 64M1-UP; 65M1-UP; 91N1-UP; 92N1-UP; 79P1-UP)

637D (S/N: 4JB1-UP; 20W1-UP; 21W1-UP; 22W1-UP; 23W1-UP; 26W1-UP; 27W1-UP; 70W1-UP; 71W1-UP)

637E (S/N: 1FB1-UP; 1HB1-UP; 1JB1-UP; 1LB1-UP; 7CB1-UP)

637G (S/N: CEH1-UP; DFJ1-UP; AXT1-UP; DEY1-UP)

637K (S/N: WTS1-UP; WTT1-UP; WTX1-UP)

639D (S/N: 88X1-UP; 99X1-UP)

657B (S/N: 53K1-UP; 68K1-UP; 47M1-UP)

657E (S/N: 6MB1-UP; 5YR1-UP; 6PR1-UP; 6TR1-UP; 7KR1-UP; 86Z1-UP; 87Z1-UP; 90Z1-UP; 91Z1-UP)

657G (S/N: W1B1-UP; W1C1-UP; W1E1-UP; W1F1-UP; A4G1-UP; DXG1-UP; GER1-UP; GRS1-UP)

Description Of Change: A new bearing cage is now used in the planetary group for increased durability.

Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

Required Parts

Illustration 1	g06145441

Procedure

Replace current production iron 6P-7709 Bearing Cage As with new bearing cage assembly (1).