Komatsu WA480 HCU

Komatsu ECM

Komatsu ECM For Sale in South Africa

At TOSOG Yellow Plant Solutions, we supply high-quality Komatsu WA480 HCU for a wide range of Komatsu earthmoving, mining, construction, and quarry equipment. Whether you need an Engine Control Module (ECM), Engine Control Unit (ECU), Transmission Control Unit (TCU), Hydraulic Control Unit (HCU), or another electronic controller, we can source the correct solution for your machine.

Our electronic modules are available as:

Genuine Komatsu
OEM Replacement
New Units
Used Units
Reconditioned Units
Exchange Units (subject to availability)

We assist customers throughout South Africa with reliable electronic control modules for excavators, wheel loaders, bulldozers, articulated dump trucks, rigid dump trucks, motor graders, forklifts, and other heavy equipment.

What is a Komatsu Electronic Control Module?

A Komatsu WA480 HCU is the electronic computer responsible for controlling critical machine functions. Depending on the application, it manages:

Engine performance
Fuel injection
Turbocharger operation
Hydraulic systems
Automatic transmission
Machine monitoring
Safety systems
Emission control
Diagnostic functions
CAN Bus communication

Modern Komatsu machines rely on multiple electronic controllers working together to maximise productivity, reduce fuel consumption, and protect engine and hydraulic components.

Types of Komatsu Electronic Controllers We Supply

We source a wide range of electronic modules including:

Engine Control Modules (ECM)

Engine ECM
Engine ECU
Diesel Engine Controller
Fuel Injection Controller
Common Rail Controller

Machine Controllers

Main Controller
Machine Control Unit
Vehicle Controller
Electronic Control Unit

Transmission Controllers

Transmission Control Unit (TCU)
Gearbox Controller
Automatic Transmission ECU

Hydraulic Controllers

Hydraulic Control Unit (HCU)
Hydraulic ECU
Hydraulic Computer
Pump Controller

Additional Electronic Modules

Monitor Controllers
Dashboard Controllers
Display Units
Engine Interface Modules
Machine Interface Controllers
Body Controllers
Smart Controllers
Relay Control Modules
Power Distribution Modules

Komatsu Machines Supported

We source electronic modules for many Komatsu machines including:

Excavators

PC55
PC78
PC130
PC138
PC160
PC200
PC210
PC220
PC228
PC240
PC270
PC300
PC350
PC360
PC390
PC400
PC450
PC490
PC650
PC800

Wheel Loaders

WA150
WA200
WA250
WA270
WA320
WA380
WA420
WA430
WA470
WA480
WA500
WA600
WA700

Bulldozers

D39
D51
D61
D65
D85
D155
D275
D375
D475

Dump Trucks

HM300
HM400
HD325
HD405
HD465
HD605
HD785
HD1500

Motor Graders

GD555
GD655
GD675
GD825

Engine Models Supported

We source electronic modules for Komatsu engines including:

SAA4D95
SAA6D102
SAA6D107
SAA6D114
SAA6D125
SAA6D140
SAA6D170
SDA16V160
Cummins-powered Komatsu engines
QSB engines
QSL engines

Common Applications

Our Komatsu WA480 HCU solutions are suitable for:

Mining
Construction
Earthmoving
Plant Hire
Civil Engineering
Road Construction
Quarry Operations
Forestry
Agriculture
Material Handling

Common Electronic Module Faults

A faulty controller may cause:

Machine will not start
No communication with diagnostics
Engine misfiring
Poor fuel economy
Hydraulic functions not operating
Gear shifting problems
Power loss
Limp mode
Engine shutdown
High fuel consumption
Fault codes
CAN Bus communication errors
Sensor communication faults
Injector control problems
Intermittent machine operation

Why Choose TOSOG?

When purchasing Komatsu WA480 HCU, choosing the correct supplier helps minimise downtime and ensures compatibility.

We offer:

Genuine and OEM quality modules
Machine-specific sourcing
New, used and reconditioned options
Competitive pricing
Fast nationwide delivery
Professional technical assistance
Reliable after-sales support
Extensive supplier network
Parts sourced to your machine serial number
Support for older and newer Komatsu models

Tips for Buying a Komatsu Electronic Control Module

To ensure you receive the correct electronic module, provide as much information as possible:

Electronic module part number
Machine model
Machine serial number
Engine model
Engine serial number
Existing fault codes
Photos of the controller labels
Photos of connectors
Number of connector plugs
Software version (if available)
Whether you require programming or replacement only

Avoid ordering a controller based solely on the machine model, as multiple controller versions may be fitted to the same machine.

Frequently Asked Questions

Do you supply genuine Komatsu electronic modules?

Yes. We source genuine Komatsu, OEM, aftermarket, used and reconditioned electronic controllers depending on customer requirements and availability.

Can you supply programmed ECMs?

Many controllers require programming or calibration after installation. Programming requirements depend on the specific machine model and controller.

Can I replace an ECM myself?

Physical installation is often straightforward, but many electronic modules require coding, calibration or configuration using manufacturer-approved diagnostic equipment.

Do you supply used controllers?

Yes. We can source quality used and reconditioned electronic modules where available.

Can you identify a controller from the part number?

Yes. Simply send us the part number or a clear photo of the controller label.

What if I only know my machine model?

We can usually identify the correct controller using:

Machine model
Machine serial number
Engine serial number
Existing controller photographs

Do you deliver throughout South Africa?

Yes. We supply customers across South Africa with reliable nationwide delivery.

Can you source obsolete Komatsu controllers?

Yes. Through our global supplier network, we can often source discontinued or hard-to-find electronic control modules.

Request a Quote

Need a Komatsu WA480 HCU?

Contact TOSOG Yellow Plant Solutions with your machine model, serial number, engine details and controller part number. Our team will help you identify the correct electronic control module and provide a competitive quotation.

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