New Machine Software and EC520 Controller Monitor Software Is Now Available for Certain Excavators {7490, 7601, 7610, 7620} Caterpillar

Excavator

320 (S/N: BR61-UP; ZBN1-UP; YBP1-UP; YCP1-UP; HEX1-UP)

323 (S/N: BR91-UP; DWF1-UP; YBL1-UP; HDT1-UP; RAZ1-UP)

336 (S/N: SP91-UP; JHD1-UP; FEL1-UP; YBN1-UP; DKS1-UP; GDY1-UP)

Reference: Service Magazine, M0106399, "New EC520 Controller Monitor Software is Now Available for Cat_®Grade System"

Reference: Special Instruction, M0093185, "Installing GRADE Firmware on the EC520 Controller through the Web Interface or Winflash"

Reference: Service Magazine, M0105239, "New Machine Software Groups Are Now Available for Certain Excavators"

Reference: Service Magazine, M0102790, "New Machine Software Is Now Used on Certain 320 to 340 Excavators"

New machine software and new EC520 controller monitor software is now available for the machines listed above. The new software contains the following improvements:

• Tilt sensor diagnostic codes.

• Grade application display in machine monitor.

• Machine controller communication with EC520 controller.

Reference: Refer to Special Instruction, M0093185, "Installing GRADE Firmware on the EC520 Controller through the Web Interface or Winflash".

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

The new software is available in the form of a flash file through the Caterpillar Service Information System (SIS). A newer software part may be available . SIS web only displays the latest available flash file.