New Engine Software for Certain C7.1 Engines {1920} Caterpillar

Excavator

326 (S/N: KYJ1-UP)

326F (S/N: CJ81-1,10101-UP; HCA1-UP; GGJ1-20171,20175-UP; HCJ1-189,10001-UP; EBK1-UP; XFK1-271,10001-UP; WGL1-1020,10001-UP; FBR1-20789,20791-20795,20797-UP; TMR1-167,10001-UP)

329F (S/N: YHA1-UP; ERL1-UP; RCN1-UP; GCX1-1,10101-UP)

330F (S/N: KFA1-UP; WBA1-322,10001-UP; JHF1-UP; LCG1-138,10001-10017,20001-UP; HCK1-UP; LBN1-398,10001-UP; H5R1-1,90102-UP; JFR1-231,10001-10082,20001-UP; GHT1-UP; HBT1-157,10001-10129,20001-UP; MBX1-565,10001-10665,20001-UP)

335F (S/N: KNE1-771,10001-UP; SGJ1-UP; KHM1-10106,90200-UP; FEP1-UP)

Forest Machine

548 (S/N: WRA1-UP; SFZ1-UP)

Mobile Hydraulic Power Unit

330FMHPU (S/N: B321-UP; B331-UP; DPL1-117,10101-UP)

OEM Excavator Based Specialty Solution

330F OEM (S/N: LNX1-114,10001-UP; DPY1-UP)

Description Of Change: New engine software is available. The new engine software enables the idle hold strategy and aligns the engine and machine minimum idle hold speed to 800rpm. This strategy protects against turbo bearing damage during cold start conditions.

Adaptable To:

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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.

Download new engine software from SIS Web.

Install the new engine software. Refer to Troubleshooting, ECM Software - Install for the correct procedure.