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CAT 164-8940
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Schneider 140XBP01000
Schneider 140XBP01000
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Parker 87-008145-03
Parker 87-008145-03

CAT 164-8940

Model Series: Cat C15 / C18 Diesel Engine Electronic Control System

Product Description:
The Cat 164-8940 is the primary electronic control module (ECM) for Caterpillar C15 and C18 Acert diesel engines. It governs all engine functions including fuel injection timing, turbocharger boost control, emissions management (SCR/DPF), and diagnostic reporting.

Category:
Description

Technical Specifications:

  • Part Number: 164-8940
  • Compatible Engines: Cat C15 Acert, C18 Acert
  • Processor: 32-bit ARM Cortex-based
  • Memory: 512 KB Flash, 256 KB RAM
  • Input Channels: 32 analog + 16 digital
  • Output Channels: 16 PWM + 8 digital
  • Operating Voltage: 8V to 32V DC
  • Operating Temperature: -40°C to +85°C
  • Communication: Cat ET (Serial), CAN 2.0B, J1939
  • Enclosure Rating: IP67 (when installed with proper connector seals)
  • Weight: 1.8 kg

Key Features:

  • Emissions Control: Manages SCR dosing, DPF regeneration, EGR valve position
  • Fault Diagnostics: Stores up to 500 active diagnostic trouble codes (DTCs)
  • Adaptive Control: Auto-calibrates fuel maps based on operating conditions
  • Flash Updateable: Firmware upgradable via Cat ET Service Tool

Applicable Industry: Heavy Equipment — Mining Trucks, Generator Sets, Marine Propulsion, Oil Field Equipment

Installation Requirements:

  • Mount in engine compartment with vibration isolator (max 5G)
  • Connect J1939 CAN bus with 120Ω termination at both ends
  • Seal all connector interfaces with dielectric grease
  • Verify 24V supply at ECM connector pin 1 (tolerance ±2V)

Usage Notes:

  • Re-flash ECM firmware every 24 months or when new emission regulations take effect
  • Replace ECM if internal fault code log exceeds 500 entries and cannot be cleared
  • Do not disconnect ECM while engine is running — immediate engine shutdown occurs
  • Operating above 85°C voids warranty — ensure cooling fan is functional at all times
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