New Engine Harness Assembly is Now Available For Certain Excavators and Mobile Hydraulic Power Units {1408} Caterpillar


New Engine Harness Assembly is Now Available For Certain Excavators and Mobile Hydraulic Power Units {1408}

Usage:

374F L AP4
Excavator
374F (S/N: AT21-UP; AP41-UP; DPE1-UP; EBF1-UP; NFJ1-UP; MFL1-UP; XWL1-UP; DNM1-UP)
390F (S/N: EXB1-UP; HJD1-UP; PYE1-UP; TYE1-UP; MGF1-UP; HNG1-UP; FEH1-UP; HSM1-UP; YHT1-UP; GAY1-UP)
Mobile Hydraulic Power Unit
374F MHPU (S/N: DP41-UP; H251-UP)
390F MHPU (S/N: B371-UP; H271-UP)
OEM Excavator Based Specialty Solution
374F OEM (S/N: FH91-UP; P4L1-UP)
390F OEM (S/N: N641-UP; PT71-UP; P4J1-UP)

The Following changes are now available for the products within the listed serial numbers.

New engine harness assembly is now available for the machines listed above. The new harness assembly has 126-1774 Endbell at ECM connector to improve harness reliability.

------ WARNING! ------

Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.


Table 1
Required Parts 
Sales Model  New Part Number  Part Name  Former Part Number 
374F LRC  580-8676  HARNESS AS-ENG  447-5868(1) 
390F LRC  580-8677  HARNESS AS-ENG  447-5871(1) 
374F HRC  580-8678  HARNESS AS-ENG  472-2086(1) 
390F HRC  580-8679  HARNESS AS-ENG  472-2091(1) 
(1) The former part number listed is for reference only and may differ


Illustration 1g06419275
(1) Endbell
(2) Engine Harness Assembly

If the engine harness has been damaged near ECM connector on field machine, repair the Harness and add 125 mm (4.92125 inch) 516-1363 Guard with 3S-2093 Cable Strap.



Illustration 2g06419344
(D1) 100 mm (4 inch)
(3) Guard
(4) Strap

Caterpillar Information System:

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