VEE BELT 5H7448 - Caterpillar

Electric Power GenerationC27 PET GEN SET (S/N: R8W1-118)Engine3512B (S/N: ZAG1-131)Generator SetC27 GEN SET (S/N: 2A31-331; DWB1-3545; GDS1-1066)C32 (S/N: XMJ1-104; PHT1-153)C32 GEN SET (S/N: AL61-251; K7C1-986; NRC1-538; SXC1-92020; JSJ1-92001; JAZ1-4190)Industrial EngineC27 (S/N: AT41-266)C27 INDUSTRIAL (S/N: RAM1-308; TWM1-82002)C32 INDUSTRIAL (S/N: TLD1-83001)Petroleum EngineC32 PETROLEUM (S/N: B2C1-354; SMP1-317)Petroleum Power Train PackageC27 KNOCKDOWN K (S/N: 1271-9)C32 KNOCKDOWN K (S/N: 1321-27)C32 PET GENSET (S/N: PEF1-156; PEK1-114)TH48-E70-C27I (S/N: PKZ1-1)TH48-E70-C32I (S/N: PKY1-184)TH48-E70-C32P (S/N: PKG1-154)Power ModuleC32 POWER MODUL (S/N: MED1-196; KNM1-299)Track-Type TractorSALES1A (S/N: NEW1-167)Description Of Change: The new engine software that are used have multiple resolutions for Electric Power and Industrial engine applications.Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.The updates for the Electrical Power applications are listed below:
Electronic Control Module (ECM) power supply strategy
Camshaft/crankshaft timing rangeThe updates for the Industrial applications are listed below:
Camshaft/crankshaft timing range
Enable Petroleum Droop feature
EEC1 and EEC2 response rates
FLS/FTS rangeTable 1 contains the new and previous software part numbers.
Table 1
New Software Part Number Part Name Previous Software Part Number
511-8662 Engine Software 452-5978
511-8664 Engine Software 454-0678
546-4574 Engine Software 518-9002
548-3021 Engine Software 511-8677
548-3022 Engine Software 511-8680
548-3023 Engine Software 511-8679
548-3024 Engine Software 345-0805
548-3025 Engine Software 419-9433
548-3026 Engine Software 482-1141
548-3027 Engine Software 486-0401
548-3028 Engine Software 391-9924
548-3029 Engine Software 368-4554
548-3030 Engine Software 450-5743
548-3031 Engine Software 447-8055
548-3032 Engine Software 361-1821
548-3033 Engine Software 391-9925