CASE 1S1439 - Caterpillar

Articulated Truck:
725 (S/N: B1L1-UP)
730 (S/N: B1M1-UP)
730 EJECTOR (S/N: B1W1-UP)
735 (S/N: B1N1-UP)
735B (S/N: T4P1-UP)
740 (S/N: WWD1-UP; B1P1-UP)
740 EJECTOR (S/N: B1R1-UP)
740B (S/N: T4R1-UP)
Cold Planer:
PM-200 (S/N: P1C1-UP)
PM-201 (S/N: PNM1-UP)
PM200 (S/N: P1M1-UP)
Landfill Compactor:
826H (S/N: AWF1-UP)
836H (S/N: BXD1-UP)
Soil Compactor:
825H (S/N: AZW1-UP)
Excavator:
323D (S/N: CWG1-UP)
345C (S/N: SCN1-UP; M2R1-UP; D3S1-UP)
345D (S/N: DPA1-UP; BYC1-UP; HLC1-UP; RGD1-UP; RAE1-UP; YEE1-UP; NEG1-UP; RGG1-UP; EEH1-UP; KFH1-UP; RAJ1-UP; MLK1-UP; FES1-UP; PBT1-UP; BYW1-UP; LKY1-UP)
365C (S/N: ELC1-UP; FEN1-UP; MCS1-UP; MCY1-UP)
374D (S/N: PAP1-UP; PAS1-UP; PAX1-UP)
385C (S/N: EDA1-UP; MMA1-UP; KGB1-UP; SBE1-UP; KKK1-UP; EAM1-UP; WAW1-UP; MNZ1-UP)
390D (S/N: WAG1-UP; WAP1-UP)
Load Haul Dump:
R1700G (S/N: SBR1-UP)
R2900G (S/N: JLK1-UP)
Motor Grader:
14M (S/N: B9J1-UP)
16M (S/N: B9H1-UP)
24M (S/N: B9K1-UP)
Mobile Hydraulic Power Unit:
345C MHPU (S/N: L5B1-UP; M3F1-UP; B6N1-UP)
345D MHPU (S/N: P5D1-UP)
365C MHPU (S/N: GSZ1-UP)
385C MHPU (S/N: MSF1-UP; M3P1-UP)
Off-Highway Truck/Tractor:
770 (S/N: BZZ1-UP)
772 (S/N: RLB1-UP)
773F (S/N: EED1-UP)
777F (S/N: JRP1-UP)
Quarry Truck:
775F (S/N: DLS1-UP)
Pipelayer:
583T (S/N: CMX1-UP)
587T (S/N: FAT1-UP)
Power Module:
C32 POWER MODUL (S/N: MED1-UP; KNM1-UP)
Reclaimer Mixer:
RM-300 (S/N: BWR1-UP)
Road Reclaimer/Soil Stabilizer:
RM-500 (S/N: ASW1-UP)
Track-Type Tractor:
D10T (S/N: RJG1-UP)
D11T (S/N: GEB1-UP; TPB1-UP)
D8T (S/N: J8B1-UP; KPZ1-UP)
D9T (S/N: RJS1-UP)
Underground Articulated Truck:
AD30 (S/N: DXR1-UP)
AD45B (S/N: CXM1-UP)
AD55 (S/N: DNW1-UP)
AD55B (S/N: JNW1-UP)
Wheel Dozer:
824H (S/N: ASX1-UP)
834H (S/N: BTX1-UP)
844H (S/N: BTW1-UP)
854K (S/N: 2211-UP)
Wheel Loader:
966H (S/N: A6D1-UP; RYF1-UP; A6G1-UP; A6J1-UP; TAL1-UP)
972H (S/N: A7D1-UP; A7G1-UP; A7J1-UP)
980H (S/N: MHG1-UP; A8J1-UP; JMS1-UP)
988H (S/N: BXY1-UP)
990H (S/N: BWX1-UP)
992K (S/N: H4C1-UP)
993K (S/N: Z9K1-UP)
Wheel Tractor-Scraper:
621G (S/N: DBB1-UP; DXB1-UP)
623G (S/N: DBC1-UP)
627G (S/N: DBD1-UP)
631G (S/N: DFA1-UP; DXE1-UP)
637G (S/N: DFJ1-UP)
657G (S/N: W1B1-UP; W1C1-UP)
The improved 230-3728 O-Ring Seal and 230-3775 O-Ring Seal provide better sealing capability due to an improved manufacturing process. These O-Ring seals are adaptable back to first production on the serial numbers listed above.This process improvement is effective for all engine serial numbers built on or after 3January 2011.