New Engine Software for Certain C7.1 Machine Engines {7620}
- Excavator
- 324E (S/N: KTE1-207; TLF1-523; LDG1-682; PNW1-1,176-1640; JCZ1-163)
- 329E (S/N: RLD1-789; ZCD1-838; WJK1-157; TST1-884; PLW1-1717; RDX1-200; PTY1-124)
- Mobile Hydraulic Power Unit
- 329E MHPU (S/N: K2L1-168; KNR1-155)
- Wheel Feller Buncher
- 2570C (S/N: W57101-116,118-118,120-122,127-127; F1B1-201,207-216)
- 2670C (S/N: W671-131,133-136,138-141,143-145,147-148,150-150,152-154; B3E152-155,157-171)
- 563C (S/N: W631-104,106-108,110-116,119-120,122-124,126-126,128-243,245-264,266-316,318-320; JCB251-254,257-324)
- 573C (S/N: W731-102,106-123,125-166,168-181,183-242,244-244,246-248; RJT253-296)
- 2670C (S/N: W671-131,133-136,138-141,143-145,147-148,150-150,152-154; B3E152-155,157-171)
- Wheel Loader
- 950K (S/N: R4A1-1053,1055-1056,1058-1062,1064-1101,1103-1204,1206-1366,1368-1417,1419-1535,2000-2751,2753-2849,2851-2859; J5M1-558,1000-1023,1025-1123,1125-1135,1137-1267; FER150-348,350-419,421-1258)
- 962K (S/N: T6A1-453,1000-1054,1056-1059,1061-1096; FLL1-489; X4T1-468,470-476,478-482)
Description Of Change: New engine software has been introduced. The new software has improved strategy to prevent the Aftertreatment Regeneration Device (ARD) fuel nozzle getting plugged.
Adaptable To:
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| Existing Part Number | New Part Number | Description |
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Refer to Troubleshooting, Flash Programming or refer to Troubleshooting, ECM Software - Install for the correct procedure to install the new software.
Caterpillar Information System:
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