A New Drive Bearing Is Now Used on Certain 3406E, C11, C13, C15, C16, and C18 Machine Engines {1207}
- Articulated Truck
- 735 (S/N: WWC1-1; B1N1-29297; AWR1-880)
- 735B (S/N: L4D1-462; T4P1-490; E4R1-1)
- 735C (S/N: LFJ1-254; TFJ1-257)
- 740 (S/N: WWD1-485; AXM1-2154; B1P1-30660; DTX1-253)
- 740 EJECTOR (S/N: B1R1-544; AZZ1-390)
- 740B (S/N: L4E1-41945; GLH1-143; T4R1-32032; E4S1-139)
- 740B EJECTOR (S/N: L4F1-530; T4S1-383)
- 740C EJECTOR (S/N: LFN1-276; TFN1-187)
- 745 (S/N: 3F61-263; 3T61-154)
- 745C (S/N: JE81-90118; JE91-102; LFK1-919; TFK1-1492)
- 735B (S/N: L4D1-462; T4P1-490; E4R1-1)
- Excavator
- 320D2 (S/N: ZBD1-847)
- 374F (S/N: EBF1-113; DNM1-497)
- 390F (S/N: TYE1-223; MGF1-354; FEH1-214; HSM1-306)
- UNDERCARRIAGE (S/N: L5N1-11118)
- 374F (S/N: EBF1-113; DNM1-497)
- Landfill Compactor
- 826G Series II (S/N: AYH1-76002)
- 826H (S/N: AWF1-78001)
- 826K (S/N: 2321-6253; SET1-509)
- 836G (S/N: BRL1-75027; 7MZ1-75013)
- 836H (S/N: BXD1-75014)
- 836K (S/N: LWZ1-232; TWZ1-594)
- 826H (S/N: AWF1-78001)
- Material Handler
- MH3295 (S/N: PA91-303)
- Mobile Hydraulic Power Unit
- 374F MHPU (S/N: DP41-105)
- 385C MHPU (S/N: MSF1-119)
- 390F MHPU (S/N: B371-98198; PT71-102)
- 385C MHPU (S/N: MSF1-119)
- Motor Grader
- 24M (S/N: B931-195; B9K1-662)
- Off-Highway Truck/Tractor
- 770 (S/N: BZZ1-75001)
- 770G (S/N: RMA1-101; TWA1-152; KDH1-361; ECM1-329; ECX1-114)
- 772 (S/N: RLB1-905)
- 772G (S/N: LTS1-398; KEX1-255; LTX1-210)
- 770G (S/N: RMA1-101; TWA1-152; KDH1-361; ECM1-329; ECX1-114)
- Reclaimer Mixer
- RM500B (S/N: MB91-146; TAS1-123)
- Road Reclaimer/Soil Stabilizer
- RM-500 (S/N: ASW1-577)
- Soil Compactor
- 825G Series II (S/N: AXB1-501)
- 825H (S/N: AZW1-429)
- 825K (S/N: 2331-5017; SEE1-210)
- 825H (S/N: AZW1-429)
- Wheel Dozer
- 824G Series II (S/N: AWW1-76003)
- 824H (S/N: ASX1-78001)
- 824K (S/N: 2341-4008; RWB1-123)
- 834G (S/N: BPC1-205; 6GZ1-219)
- 834H (S/N: BTX1-78004)
- 834K (S/N: LWY1-722; TWY1-707)
- 824H (S/N: ASX1-78001)
- Wheel Loader
- 980G (S/N: 2KR1-75012; 2SR1-928)
- 980G Series II (S/N: AXG1-76005; AWH1-75003; AYT1-521)
- 980H (S/N: PF81-698; P8B1-103; MHG1-78002; A8J1-4264; KZL1-1312; JMS1-78003)
- 980H Series 2 (S/N: MKP1-388)
- 986H (S/N: L8S1-357)
- 986K (S/N: MH81-172)
- 988G (S/N: BNH1-76001; 2TW1-78002)
- 988H (S/N: A7A1-333; BXY1-78005)
- 988K (S/N: LWX1-726; TWX1-1126)
- 980G Series II (S/N: AXG1-76005; AWH1-75003; AYT1-521)
- Wheel Tractor-Scraper
- 641B (S/N: 65K1-1181)
- 651B (S/N: 67K1-1038)
- 657B (S/N: 68K1-1380)
- 660B (S/N: 58K1-421)
- 666B (S/N: 66K1-237)
- 651B (S/N: 67K1-1038)
Description Of Change: The new drive bearing reduced the stress risers by removing the counterbore and improving the radius.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.
The new 506-9239 Drive Bearing replaces the former 143-8971 Drive Bearing.
Caterpillar Information System:
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