2014/05/16 Caterpillar

Hydraulic Shovel:

6060 (S/N: DHN1-UP)

6060 FS (S/N: DH31-UP)

Transmission:

TH55 - KRESS (S/N: KCH1-UP)

Off-Highway Truck/Tractor:

777D (S/N: DCB1-UP; AGC1-UP; FKR1-UP; 3PR1-UP)

785B (S/N: 6HK1-UP)

785C (S/N: APX1-UP; 5AZ1-UP)

789C (S/N: 2BW1-UP)

793C (S/N: 4AR1-UP; ATY1-UP; 4GZ1-UP)

793D (S/N: FDB1-UP)

793F (S/N: SND1-UP; SSP1-UP)

795FSeries AC (S/N: ERM1-UP)

797B (S/N: JSM1-UP)

797F (S/N: LAJ1-UP; WSP1-UP)

Track-Type Tractor:

D11R (S/N: AAF1-UP; 9TR1-UP; 9XR1-UP; 7PZ1-UP)

Wheel Dozer:

854G (S/N: A4W1-UP)

Wheel Loader:

966G (S/N: 3SW1-UP)

992G (S/N: 7HR1-UP; AZX1-UP; ADZ1-UP)

994F (S/N: 4421-UP)

Service Magazine SEPD1725, 20 January 2014, "New Water Pump Seal and Pumps Used on Certain 3500, G3500, and C175 Engines". Disregard the previous article. The article has been revised to update the effective serial numbers.

Description of Change: The water pump seal is made of more robust material capable of handling higher engine torsions and dry conditions.

Adaptable To:

Illustration 1	g03394776
(1) 416-0603 Seal Gp

The new 416-0603 Seal Gp replaces the previous 166-4376 Seal Gp. The new seal is also used in the new water pumps. Table 1 contains the new and previous part numbers for this change. The new seal requires the use of the new 438-8155 Adaptor for installation. Table 2 contains the effective serial numbers.

Table 1

New Part Number	Previous Part Number
416-0603 Seal Gp	166-4376 Seal Gp
416-0606 Water Pump Gp	212-8172 Water Pump Gp
416-0607 Water Pump Gp	212-8173 Water Pump Gp
416-0608 Water Pump Gp	212-8175 Water Pump Gp
416-0609 Water Pump Gp	212-8176 Water Pump Gp
416-0610 Water Pump Gp	212-8177 Water Pump Gp
416-0611 Water Pump Gp	250-6721 Water Pump Gp
416-0612 Water Pump Gp	312-0964 Water Pump Gp
416-0613 Water Pump Gp	313-2650 Water Pump Gp
416-0614 Water Pump Gp	350-8955 Water Pump Gp

Table 2

Effective Serial Numbers
S/N:3PR78005-UP
S/N:AGC77013-UP
S/N:DCB32224-UP
S/N:FKR02236-UP
S/N:6HK99382-UP
S/N:APX75002-UP
S/N:5AZ00428-UP
S/N:2BW83002-UP
S/N:4AR77003-UP
S/N:4GZ75003-UP
S/N:FDB01814-UP
S/N:SSP00987-UP
S/N:SND00132-UP
S/N:ERM00285-UP
S/N:JSM00489-UP
S/N:LAJ00485-UP
S/N:WSP00145-UP
S/N:A4W00289-UP
S/N:3SW75005-UP
S/N:7HR78005-UP
S/N:ADZ76005-UP
S/N:AZX75008-UP
S/N:44275002-UP
S/N:7PZ75055-UP
S/N:9TR76013-UP
S/N:9XR75003-UP
S/N:AAF75011-UP
S/N:ATY01125-UP
S/N:DHN60174-UP
S/N:DH360175-UP
S/N:KCH22059-UP