Updated Torque Requirements for Reman Rocker Arm Adjusting Screw Lock Nuts on Certain C15, C18, C27, and C32 Machine Engines {1123}
- Agricultural Tractor:
- MT855 (S/N: BCC1-UP)
- Articulated Truck:
- 735 (S/N: WWC1-UP; B1N1-UP; AWR1-UP)
- Cold Planer:
- PM-200 (S/N: P1C1-UP; P1M1-UP)
- Rotary Drill:
- MD6240 (S/N: DN21-UP; DT41-UP; DS61-UP; DT61-UP)
- Landfill Compactor:
- 826H (S/N: AWF1-UP; ZXT1-UP)
- Soil Compactor:
- 825K (S/N: SEE1-UP; 2331-UP)
- Excavator:
- 365C (S/N: ELC1-UP; GWC1-UP; MEM1-UP; FEN1-UP; PAR1-UP; MCS1-UP; MCY1-UP)
- Hydraulic Shovel:
- 6015 (S/N: DHB1-UP)
- Load Haul Dump:
- R2900 (S/N: 5TW1-UP)
- Locomotive:
- PR43C (S/N: MNJ1-UP)
- Motor Grader:
- 24M (S/N: B9K1-UP; B931-UP)
- Mobile Hydraulic Power Unit:
- 365C MHPU (S/N: GSZ1-UP)
- Off-Highway Truck/Tractor:
- 770G (S/N: RMA1-UP; TWA1-UP; RMD1-UP; KDH1-UP; ECM1-UP; ECX1-UP)
- Quarry Truck:
- 773G (S/N: MWH1-UP; JWS1-UP; T5S1-UP; T5T1-UP; G731-UP; G771-UP)
- Pipelayer:
- 583T (S/N: CMX1-UP)
- Reclaimer Mixer:
- RM500B (S/N: TAS1-UP; MB91-UP)
- Road Reclaimer/Soil Stabilizer:
- RM-500 (S/N: ASW1-UP)
- Track-Type Tractor:
- D10T (S/N: RJG1-UP)
- Underground Articulated Truck:
- AD30 (S/N: CXR1-UP; DXR1-UP; GXR1-UP)
- Wheel Dozer:
- 824H (S/N: ASX1-UP)
- Wheel Loader:
- 986H (S/N: L8S1-UP; 9861-UP)
- Wheel Tractor-Scraper:
- 621G (S/N: DBB1-UP; DXB1-UP; MSE1-UP; KLK1-UP; NEL1-UP; CEN1-UP; ALP1-UP; CEP1-UP; KJW1-UP; DBX1-UP; MEX1-UP)
- MT865 (S/N: BDS1-UP)
- MTC855 (S/N: 8181-UP)
- MTC865 (S/N: 8191-UP)
- 735B (S/N: L4D1-UP; GLG1-UP; T4P1-UP; E4R1-UP)
- 735C (S/N: LFJ1-UP; TFJ1-UP)
- 740 (S/N: WWD1-UP; AXM1-UP; B1P1-UP; DTX1-UP)
- 740 EJECTOR (S/N: B1R1-UP; AZZ1-UP)
- 740B (S/N: L4E1-UP; GLH1-UP; T4R1-UP; E4S1-UP)
- 740B EJECTOR (S/N: L4F1-UP; T4S1-UP)
- 740C EJECTOR (S/N: LFN1-UP; TFN1-UP)
- 745C (S/N: LFK1-UP; TFK1-UP)
- PM-201 (S/N: PNM1-UP)
- MD6290 (S/N: DN31-UP; DR31-UP; DS31-UP; DS51-UP; DT51-UP; DT81-UP)
- MD6420 (S/N: DS71-UP; DT71-UP; DN91-UP; DT91-UP)
- MD6420 B (S/N: DS81-UP)
- MD6420 C (S/N: DN61-UP)
- MD6420B (S/N: DT21-UP; DS91-UP)
- MD6420C (S/N: DN51-UP)
- 826K (S/N: SET1-UP; 2321-UP)
- 836H (S/N: BXD1-UP; XTR1-UP)
- 374D (S/N: PJA1-UP; PAP1-UP; PAS1-UP; PAX1-UP)
- 374F (S/N: NFJ1-UP; MFL1-UP; DNM1-UP; AT21-UP; AP41-UP)
- 374F MHPU (S/N: DP41-UP)
- 385C (S/N: EDA1-UP; MMA1-UP; KGB1-UP; KBC1-UP; SBE1-UP; T2E1-UP; T2F1-UP; KKK1-UP; EAM1-UP; JCM1-UP; WAW1-UP; MNZ1-UP)
- 390D (S/N: WAG1-UP; BYP1-UP; WAP1-UP; WBT1-UP; KCZ1-UP)
- 390F (S/N: HJD1-UP; TYE1-UP; MGF1-UP; HSM1-UP; GAY1-UP)
- 6015 FS (S/N: DHF1-UP)
- 6015B (S/N: LWN1-UP; WSN1-UP)
- 6018 (S/N: DHT1-UP)
- 6018 FS (S/N: DHD1-UP)
- 6020B (S/N: DNR1-UP)
- 6030 (S/N: DHL1-UP; TZD1-UP)
- 6030 FS (S/N: DHG1-UP)
- 6040 (S/N: DHJ1-UP; TZB1-UP)
- 6040 FS (S/N: DHX1-UP)
- R2900G (S/N: GLK1-UP; JLK1-UP)
- R3000H (S/N: RCM1-UP)
- R3200G (S/N: MAZ1-UP)
- SD 50 (S/N: HJM1-UP)
- 374D MHPU (S/N: JNZ1-UP)
- 385C MHPU (S/N: M4E1-UP; MSF1-UP; M3P1-UP; M3W1-UP; E1Y1-UP)
- 390D MHPU (S/N: M1M1-UP)
- 390F MHPU (S/N: B371-UP; PT71-UP)
- 772 (S/N: RLB1-UP; RGK1-UP; J2M1-UP)
- 772G (S/N: TWB1-UP; RME1-UP; RMH1-UP; LTS1-UP; KEX1-UP; LTX1-UP)
- 773F (S/N: EED1-UP; EXD1-UP)
- 777F (S/N: WTK1-UP; JRP1-UP; JXP1-UP)
- 777G (S/N: T5A1-UP; TNM1-UP; RDR1-UP; T4Y1-UP; GT71-UP)
- OEM POWERTRAIN (S/N: DTE1-UP)
- 775F (S/N: EYG1-UP; DLS1-UP)
- 775G (S/N: T5F1-UP; RFM1-UP; MJS1-UP; T5W1-UP)
- 587T (S/N: FAT1-UP)
- PL83 (S/N: KSD1-UP; DLW1-UP)
- D10T2 (S/N: RAB1-UP; JJW1-UP)
- D11T (S/N: AMA1-UP; GEB1-UP; TPB1-UP; MDG1-UP; JEL1-UP; JNS1-UP)
- D8T (S/N: J8B1-UP; FMC1-UP; MLN1-UP; FCT1-UP; JET1-UP; KPZ1-UP)
- D9T (S/N: TWG1-UP; RJS1-UP; REX1-UP)
- AD45B (S/N: GXM1-UP)
- AD55 (S/N: ANW1-UP; DNW1-UP)
- AD55B (S/N: JNW1-UP)
- AD60 (S/N: KNW1-UP)
- 824K (S/N: RWB1-UP; 2341-UP)
- 834H (S/N: XDC1-UP; BTX1-UP)
- 834K (S/N: LWY1-UP; TWY1-UP)
- 844H (S/N: BTW1-UP)
- 844K (S/N: MBE1-UP; KLS1-UP)
- 854K (S/N: H9K1-UP; H8M1-UP; 2211-UP)
- 988GSeries RTCH (S/N: 1NZ1-UP)
- 988G (S/N: BNH1-UP; 2TW1-UP)
- 988H (S/N: A7A1-UP; BXY1-UP)
- 988K (S/N: LWX1-UP; TWX1-UP)
- 990H (S/N: BWX1-UP)
- 990K (S/N: DJK1-UP; A9P1-UP)
- 992K (S/N: H4C1-UP; ZMX1-UP; 8801-UP)
- 993K (S/N: LWA1-UP; Z4D1-UP; Z9K1-UP; Z4Z1-UP)
- 623G (S/N: DBC1-UP; CES1-UP; ARW1-UP; CEW1-UP; DBY1-UP)
- 627G (S/N: DBD1-UP; AXF1-UP; CEX1-UP; CEZ1-UP; DBZ1-UP)
- 631G (S/N: DFA1-UP; DXE1-UP; DEM1-UP; M1W1-UP)
- 637G (S/N: DFJ1-UP; DEX1-UP)
- 657G (S/N: W1B1-UP; W1C1-UP; W1E1-UP; W1F1-UP; A4G1-UP; DXG1-UP; GER1-UP; GRS1-UP)
Certain remanufactured rocker arms are shipped with larger diameter adjusting screws and lock nuts. Increased torque is required on the larger diameter lock nuts to maintain preload in the adjusting screw.
Note: Depending on core return part numbers, not all rocker arms for an affected Reman part number are built with the larger diameter adjusting screw.
The torque specifications for the original adjusting screws and lock nuts are listed in Table 1.
Show/hide table
Rocker Arm Reman Part Number     | Original Screw Part Number     | Screw Diameter     | Lock Nut Torque     |
---|---|---|---|
20R-3317     | 274-4491     | 9.525 mm (0.375 inch)     |
30 ± 7 N·m (22 ± 5 lb ft)     |
20R-3328     | 274-4491     | 9.525 mm (0.375 inch)     |
30 ± 7 N·m (22 ± 5 lb ft)     |
The torque specifications for the new adjusting screws and lock nuts are listed in Table 2.
Show/hide table
Rocker Arm Reman Part Number     | New Screw Part Number     | Screw Diameter     | Lock Nut Torque     |
---|---|---|---|
20R-3317     | 335-7395     | 11.125 mm (0.438 inch)     |
35 ± 7 N·m (26 ± 5 lb ft)     |
20R-3328     | 335-7395     | 11.125 mm (0.438 inch)     |
35 ± 7 N·m (26 ± 5 lb ft)     |
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2015/04/03 Updated Torque Requirements for Reman Rocker Arm Adjusting Screw Lock Nuts on Certain C15, C16, C18, C27, and C32 Engines {1123}
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