Komatsu Transmission Controller

Komatsu ECM For Sale in South Africa
At TOSOG Yellow Plant Solutions, we supply high-quality Komatsu Transmission Controller 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 Transmission Controller 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 Transmission Controller 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 Transmission Controller, 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 Transmission Controller?
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.