2006/03/20 Caterpillar

New Turbochargers are Now Used {1052}

Usage:

385C FS EAM

Excavator: 385C (S/N: EDA1-UP; MMA1-UP; KGB1-UP; KBC1-UP; SBE1-UP; T2E1-UP; T2F1-UP; KKK1-UP; EAM1-UP; WAW1-UP; MNZ1-UP)

Description of Change: The new turbocharger is able to provide optimal performance without needing a power derate that is programmed into the engine software.

Adaptable To: The new 265-4538 Turbocharger Gp will replace the 229-7172 Turbocharger Gp and 264-4493 Turbocharger Gp.

Note: Check the engine arrangement in table 1 with the engine arrangement in table 2 in order to ensure that the correct turbocharger and software are being installed.

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Table 1
Original Configuration Turgocharger with Power Derate Software
Engine Arrangement	Turbocharger P/N	Software P/N
220-3342	229-7172 and 264-4493	265-8994
257-4960	229-7172 and 264-4493	266-6524

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Table 2
New Configuration Turbocharger without Power Derate Software
Engine Arrangement	Turbocharger P/N	Software P/N
220-3342	265-4538	268-3701
257-4960	265-4538	268-3702

Table 3 contains machines that may contain the old turbocharger. Refer to table 1 and table 2 in order to install the proper turbocharger and software.

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Table 3
385C Machine Serial Numbers
EAM00264
EDA00189-00252
KBC00201-00218
KGB00275-00276
KKK00123
MMA00245
MNZ00124-00132
SBE00168-00186
T2E00291-00315
T2F00181-00185
WAW00211

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