New Turbocharger Bearing Design Used On Certain 3512 And 3516 Engines {1052, 1053, 1307} Caterpillar

New Turbocharger Bearing Design Used On Certain 3512 And 3516 Engines {1052, 1053, 1307}

Usage:

Generator Set: 3512B (S/N: PTM1-UP; 6GW1-UP); 3512B GENSET (S/N: ZAH1-UP); 3516 (S/N: YAS1-UP); 3516B (S/N: GZS1-UP); 3516B GEN SET (S/N: ZAP1-UP); 3516C (S/N: SBJ1-UP)
Power Module: PM3516 (S/N: NBR1-UP)

SEBD9991, 22, May 2015, New Turbocharger Bearing Design Used On Certain 3512 And 3516 Engines. Disregard the information in the article listed above. Refer to the information in the following article.

Description Of Change: The new low temperature bearing used in turbochargers has a shorter ID length and optimized bearing clearance to prevent oil coking.

Adaptable To: Table 1 lists the new part numbers, Reman part numbers, and the former part numbers. Table 2 lists the parts needed for this change. Table 3 lists the effective serial numbers.

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Table 1
New Part Number	New Reman Part Number	Former Part Number	Former Reman Part Number
450-1418	20R-5056	245-4339	10R-2206
450-1419	20R-5057	272-8174	10R-8961
450-1420	20R-5058	259-8424	10R-2836
450-1421	20R-5059	135-8826	10R-8237

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Table 2
Item	Qty	Part Number	Part Description
1	1	121-5736	Gasket
2	1	1S-4810	Oil Drain Gasket
3	1	1S-6595	Oil Supply Gasket
4	4	2N-2765	Bolts
5	4	2N-2766	Nuts
6	1	6V-3917	O-Ring Seal

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Table 3
Effective Serial Numbers
S/N:6GW01860-UP
S/N:PTM03022-UP
S/N:ZAH01040-UP
S/N:YAS00556-UP
S/N:GZS00963-UP
S/N:ZAP01625-UP
S/N:SBJ01475-UP
S/N:NBR00948-UP