The
6156-81-9340
is an Engine Wiring Harness specifically designed for Komatsu heavy
machinery. It provides the critical electrical connections for engine sensors,
injectors, and control units to ensure proper operation of the fuel and
monitoring systems.
Common Vehicle & Engine Fitment
This harness is primarily used in Komatsu's "Dash 7" series excavators
equipped with the 6D125 or SAA6D125E engine series:
Excavators: PC400-7, PC400LC-7, and PC450-7.
Engines: SAA6D125E-3 and SAA6D125E-5.
Key Specifications
Part
Numbers:
6156-81-9340
(often
interchangeable
or
used
alongside 6156-81-9320).
Material: High-quality ABS and PVC nylon imported for superior corrosion and
high-temperature resistance (up to 150°C).
Connectors: Features 24K gold-plated terminals for reliable contact and
standard industrial waterproof connectors from manufacturers like Deutsch
and AMP.
Weight: Approximately 2.76 kg (6.07 lbs) to 7.0 kg depending on the specific
configuration.
Installation & Maintenance Tips
Direct Replacement: It is a standard-size aftermarket part intended to replace
damaged or faulty original equipment for reliable maintenance.
Professional Recommendation: Due to the complexity of engine electrical
systems, professional installation is highly recommended as manual
instructions are typically not included with the part.
Pre-Purchase Check: Always verify your specific machine model and engine
serial number before ordering to ensure the harness configuration matches
your equipment. Safety Warning: Inspect the harness for signs of wear, such as brittle casing
or corroded terminals, which can lead to engine misfires or sensor
communication failures.
