2011/09/12 Caterpillar

Engine:

3508 (S/N: 5TL1-UP; 4ZL1-UP)

3508B (S/N: BWA1-UP; BTB1-UP; KAM1-UP; BTR1-UP; 5XS1-UP)

3512 (S/N: 5EL1-UP; 6FL1-UP)

3516 (S/N: 6CL1-UP; 7CL1-UP)

3516B (S/N: KDK1-UP; MSK1-UP; KNS1-UP; 7DS1-UP; CPW1-UP; MSX1-UP)

3524B (S/N: NPM1-UP)

C15 (S/N: SDP1-UP)

Excavator:

5130 (S/N: 7TJ1-UP; 5ZL1-UP)

5130B (S/N: 4CS1-UP)

5230 (S/N: 7LL1-UP)

5230B (S/N: 4HZ1-UP)

Off-Highway Truck/Tractor:

776C (S/N: 2TK1-UP)

777 (S/N: 84A1-UP)

777B (S/N: 4YC1-UP)

777C (S/N: 4XJ1-UP)

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

777D HAA (S/N: AGY1-UP)

784C (S/N: 2PZ1-UP)

785 (S/N: 8GB1-UP)

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

785C (S/N: 1HW1-UP; APX1-UP; 5AZ1-UP)

785D (S/N: DMC1-UP; MSY1-UP)

786 (S/N: 01A1-UP; 81A1-UP)

789 (S/N: 9ZC1-UP)

789B (S/N: 7EK1-UP)

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

789D (S/N: SPD1-UP; SHH1-UP)

793 (S/N: 3SJ1-UP)

793B (S/N: 1HL1-UP)

793C (S/N: CBR1-UP; 4AR1-UP; ATY1-UP; 4GZ1-UP)

793D (S/N: FDB1-UP)

797 (S/N: 5YW1-UP)

797B (S/N: JSM1-UP)

Track-Type Tractor:

D11N (S/N: 4HK1-UP; 74Z1-UP)

D11R (S/N: AAF1-UP; 8ZR1-UP; 9TR1-UP; 9XR1-UP; 7PZ1-UP)

Wheel Dozer:

854G (S/N: AMP1-UP; 1JW1-UP)

Wheel Loader:

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

994 (S/N: 9YF1-UP)

994D (S/N: 3TZ1-UP)

994F (S/N: 4421-UP)

Service Magazine SEPD1343, 13 October 2011, "A New Gasket and a New Spacer Plate are Now Used on Certain Lafayette Reman 3500 Engines". The original article has been revised to add effectivity above and to add two Reman engine arrangements and serial numbers below.

Description of Change: A new gasket and a new spacer plate are now used on certain Reman 3500 engines.

Adaptable To: The new Multi-Layer Steel (MLS) gasket and the new spacer plate are adaptable to the serial numbers that are listed above. Table 1 lists the new part numbers and the part numbers being replaced.

Table 1

Qty	New Part Number	Part Name	Former Part Number
1	362-8264	Cylinder Head Gasket	110-6991 274-8567
1	362-9677	Spacer Plate	110-6994

The information in Table 2 illustrates the first Reman engine serial number for each arrangement built with the MLS gasket.

Table 2

Arrangement Number	Effective Serial Number
10R0946	KNS570
0R7568	CPW1217 SPW102
10R2852	MSK253
10R1433	NPM259
0R8551	5XS1058
0R9840	BTB351
0R9844	SDW391
10R6700	SDW392
0R3981	5TL1071
0R9551	7DS1089
0R9842	KAM385
0R3951	4ZL1487
0R3982	6FL990
0R9558	7DS1090
0R9583	7CL2070
0R9659	7CL2071
0R3953	6CL649
0R8553	5XS1064
0R8558	7DS1092
0R9845	7DS1091
10R6702	7DS1093
0R3985	5TL1078
0R3950	4ZL1490
0R3983	7CL2079
0R8554	6SS221
0R9843	BWA195
0R8555	7DS1102
0R8550	5XS1076
0R3980	5TL1083
0R8556	7DS1111
10R9195	KAM389
0R9557	7DS1114
10R5596	BTR621
0R3959	7CL2090
0R3986	7CL2091
0R3952	5EL420
0R3955	6CL653
0R8552	5XS1083
0R8557	7DS1140
10R2851	7DS1143
10R2854	MSX00264
10R7930	SPM421
10R931	SKN360