2007/01/22 Caterpillar

Improved Auxiliary Water Pumps are Used {1361, 1371}

Usage:

776C 2TK

Engine: 3508B (S/N: BAG1-UP; BPX1-UP; CTC1-UP; 1FZ1-UP) 3508C (S/N: LLC1-UP; LLE1-UP) 3512B (S/N: S2K1-UP; CTB1-UP; BRC1-UP; FFG1-UP; MRG1-UP; S2G1-UP; MKH1-UP; S2H1-UP; S2J1-UP; S2L1-UP; S2N1-UP; CTH1-UP; 1GZ1-UP) 3512C (S/N: LLA1-UP; LLF1-UP; TTG1-UP; LLD1-UP) 3516B (S/N: B5G1-UP; PAG1-UP; CAN1-UP; S2P1-UP; S2R1-UP; S2S1-UP; S2T1-UP; S2W1-UP; S2X1-UP; S2Z1-UP; CTG1-UP; 1HZ1-UP) G3508 (S/N: 4WD1-UP; 9TG1-UP; WPN1-UP; CTN1-UP; 7YG1-UP) G3512 (S/N: 5JD1-UP; 7NJ1-UP; CTM1-UP; WPP1-UP; WPR1-UP) G3516 (S/N: 8LD1-UP; 4EK1-UP; WPT1-UP) G3516B (S/N: CTW1-UP)
Generator Set: 3508B (S/N: LPD1-UP) 3512B (S/N: NSC1-UP) 3516B (S/N: LEK1-UP; GZY1-UP; TAK1-UP; ZAP1-UP; GAR1-UP; PBR1-UP; ZAR1-UP; GZS1-UP; GZT1-UP) G3516 (S/N: ZBA1-UP) G3516B (S/N: ZBB1-UP; ZBC1-UP)
Pumper: SPF343 (S/N: 3KD1-UP)

Description of Change: Improved auxiliary water pumps are now used. Pressure lubrication is provided to the thrust washers in order to reduce wear. The pumps also have an improved water seal. The sealing faces are made from graphite loaded silicon carbide.

Adaptable To: The water pumps are adaptable to the above listed engines. Refer to Table 1 for the new part numbers of the water pumps. The effective serial numbers are listed in Tables 2, 3 and 4.

Show/hide table

Table 1
Old Part Number	Old Reman Part Number	New Part Number
212-8166	10R-1072	291-4311
212-8168	10R-1672	291-4312
212-8169	10R-1673	291-4313

Show/hide table

Table 2
Manufacturing Effectivity for 291-4313 Auxiliary Water Pump Gp in 1W-9554 Auxiliary Water Pump Gp and 1W-0410 Water Pump Gp
S/N:4EK05154-UP
S/N:4WD00037-UP
S/N:5JD00128-UP
S/N:7NJ01364-UP
S/N:8LD00161-UP
S/N:9TG00564-UP
S/N:CTM00452-UP
S/N:BPX00120-UP
S/N:BRC00168-UP
S/N:CAN00129-UP
S/N:CTN00285-UP
S/N:WPN00123-UP
S/N:WPP00165-UP
S/N:WPR00150-UP
S/N:WPT00188-UP
S/N:ZBA00541-UP

Show/hide table

Table 3
Manufacturing Effectivity for 291-4312 Auxiliary Water Pump Gp in 6I-3521 Auxiliary Water Pump Gp
S/N:7YG02236-UP

Show/hide table

Table 4
Manufacturing Effectivity for 291-4311 Auxiliary Water Pump Gp in 9Y-8175 Water Pump Gp
S/N:1FZ03743-UP
S/N:1GZ03635-UP
S/N:1HZ03287-UP
S/N:3KD00350-UP
S/N:B5G00102-UP
S/N:BAG00025-UP
S/N:CTB00307-UP
S/N:CTC00267-UP
S/N:CTG00454-UP
S/N:CTH00500-UP
S/N:CTM00444-UP
S/N:CTW00566-UP
S/N:FFG00054-UP
S/N:GAR00203-UP
S/N:GZS00769-UP
S/N:GZT00122-UP
S/N:GZY00117-UP
S/N:LEK00131-UP
S/N:LLA00381-UP
S/N:LLC00121-UP
S/N:LLE00137-UP
S/N:LLF00134-UP
S/N:LPD00013-UP
S/N:MKH00220-UP
S/N:MRG00200-UP
S/N:NSC00007-UP
S/N:PAG00159-UP
S/N:PBR00229-UP
S/N:S2G00111-UP
S/N:S2H00251-UP
S/N:S2J00370-UP
S/N:S2K00252-UP
S/N:S2L00541-UP
S/N:S2N00122-UP
S/N:S2P00108-UP
S/N:S2R00273-UP
S/N:S2S00250-UP
S/N:S2T00103-UP
S/N:S2W00112-UP
S/N:S2X00538-UP
S/N:S2Z00129-UP
S/N:TAK00006-UP
S/N:TTG00203-UP
S/N:WPT00166-UP
S/N:ZAP00413-UP
S/N:ZAR00180-UP
S/N:ZBB00257-UP
S/N:ZBC00157-UP