Different Housings are Used on 3400 Remanufactured Engines {1304} Caterpillar


Different Housings are Used on 3400 Remanufactured Engines {1304}

Usage:

3406C 1LS
Electric Power Generation
3412 GENSET (S/N: 4BZ1-UP)
Engine
3406B (S/N: 4TB1-3481,3482-UP)
3406C (S/N: 2AM1-UP)
3408 (S/N: 67U1-11134,11135-16070,16071-UP; 99U1-4588,4589-7598,7599-UP; 78Z1-1143,1144-4866,4867-UP)
3408B (S/N: 9TD1-UP; 67U1-11134,11135-16070,16071-UP; 99U1-4588,4589-7598,7599-UP; 78Z1-1143,1144-4866,4867-UP)
3408C (S/N: TAM1-UP; 9XM1-UP; 67U1-11134,11135-16070,16071-UP; 99U1-4588,4589-7598,7599-UP; 78Z1-1143,1144-4866,4867-UP)
3412 (S/N: 7HG1-UP; 2WJ1-UP; 7BL1-UP; 60M1-5160,5161-UP; BCS1-UP; 81Z1-14500,14501-UP)
3412C (S/N: BAK1-UP; 5FL1-UP; 60M1-5160,5161-UP; DJN1-UP; 9EP1-UP; RLR1-UP; 8AR1-UP; 9BR1-UP; TFT1-UP; BCW1-UP; LRY1-UP; 81Z1-14500,14501-UP)
3412E (S/N: TGC1-UP)
C-16 (S/N: W1A1-UP)
C18 (S/N: EJG1-UP)
G3406 (S/N: 4FD1-UP; R7E1-UP; 1RK1-UP; KAR1-UP)
G3408 (S/N: 6NB1-UP; 6RJ1-UP)
G3408C (S/N: BAZ1-UP)
G3412 (S/N: R7A1-UP; 7DB1-UP; KAP1-UP)
G3412C (S/N: 6ZM1-UP; 9RR1-UP)
Generator Set
3406C GEN SET (S/N: C2G1-UP; C5G1-UP; C8G1-UP; 4ZR1-UP; KPS1-UP; 1LS1-UP; 9ES1-UP)
3406C MARINE GS (S/N: PFH1-UP)
3406E GEN SET (S/N: 9NN1-UP; 8AZ1-UP)
3412C GEN SET (S/N: BAX1-UP)
3456 GEN SET (S/N: CCB1-UP; EPE1-UP; C1G1-UP; C3G1-UP; C4G1-UP; CAH1-UP; GHJ1-UP; C2T1-UP; CBX1-UP; 9BZ1-UP)
C15 GEN SET (S/N: C5E1-UP; C5H1-UP; C5L1-UP; X4R1-UP)
C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STD1-UP; STM1-UP; EKW1-UP)
C18 MARINE GS (S/N: MGS1-UP)
Industrial Engine
3406 IND (S/N: 90U1-UP)
3406C IND (S/N: 3ER1-UP)
3406E IND (S/N: 6BR1-UP)
3408C IND (S/N: 9ER1-UP)
3412E IND (S/N: BDT1-UP)
C-15 IND (S/N: BEM1-UP)
C-16 IND (S/N: BFM1-UP)
C15 IND (S/N: JRE1-UP)
C15 INDUSTRIAL (S/N: JAS1-UP)
C18 INDUSTRIAL (S/N: WJH1-UP)
Marine Engine
3406C MARINE (S/N: 4TB1-3481,3482-UP; 1SS1-UP)
3406E MARINE (S/N: 9WR1-UP)
3408C MARINE (S/N: 1TS1-UP)
3412D MARINE (S/N: REA1-UP)
C15 MARINE (S/N: RLA1-UP)
C18 MARINE (S/N: CKH1-UP; C1J1-UP)
Petroleum Engine
C-15 PETROLEUM (S/N: Z2C1-UP)
Power Module
PM3412 (S/N: CAJ1-UP)
Pumper
HT400 (S/N: 7141-UP)
SEBD9440, 09, April 2007, Different Housings are Used on 3400 Remanufactured Engines Disregard this previous article. The article that follows has updated information.

The following oil pumps may be assembled with two different types of housings. The two housings are different. This might cause confusion in the field.

One of the housings has a drilled oil gallery and the other housing does not have a drilled oil gallery. The housing with the drilled oil gallery allows the pump to send oil to a passage that allows lube for an idler gear in the gear train. See Illustrations below. Refer to Table 1 and Table 2 in order to determine the correct housing.



Illustration 1g01362870
Oil pump with out drilled oil gallery


Illustration 2g01362873
Oil pump with drilled oil gallery

The following 3406 oil pumps that are listed in Table 1 do not require a housing with a drilled oil passage. The pumps that are listed in Table 2 can be remanufactured with either housing. However, if you receive a 3406 oil pump with a housing that has a drilled oil gallery, then the 2S-7905 Pipe Plug must be in place. Refer to Illustration 3. If the plug is not in place, the pump will move oil but the pressure is lost because the oil is not diverted to the proper oil gallery.



Illustration 3g01362898
(1) 2S-7905 Pipe Plug

Table 1
3406 Oil Pumps
Plugged Oil Passage 
Remanufactured Part Number  New Part Number 
0R-9448  161-4111 
0R-9449  161-4113 
0R-9450  161-4110 
0R-9697  161-4112 
10R-0428  198-1508 

The following pumps that are listed in Table 2 require a housing with a drilled oil gallery. The pumps that are listed must be manufactured with the housing that has the 2S-7905 Pipe Plug (1) that is installed.

Table 2
3408/3412 Oil Pumps
Open Oil Passage 
Remanufactured Part Number  New Part Number 
0R-8804  7C-1772 
0R-4999  6N-1030 
10R-1088  202-3575 
0R-3538  7C-1531 

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