TOSOG ECM & ECU | Electronic Control Modules for Heavy Earthmoving Equipment South Africa

Powering Modern Heavy Machinery: ECMs, ECUs, TCUs & More

At TOSOG, we specialize in supplying high-quality, reliable electronic control modules, including ASV, specifically engineered for heavy-duty earthmoving, construction, and mining machinery. Our extensive inventory covers machines from all major OEMs, including Caterpillar (CAT), Komatsu, Volvo Construction Equipment, Hitachi, JCB, Doosan, Hyundai, Bell Equipment, and Liebherr, ensuring compatibility across a wide range of models and applications.

Our product range encompasses original equipment manufacturer (OEM) modules, premium aftermarket alternatives, and fully tested reconditioned units, giving fleet operators flexibility in sourcing parts that meet their budget, performance, and longevity requirements. These modules include:

• Electronic Control Modules (ECMs): Engine management systems that regulate fuel injection, turbocharging, emission compliance, and overall engine performance.

• Electronic Control Units (ECUs): Advanced controllers for hydraulic systems, attachments, electrical subsystems, operator interfaces, and onboard diagnostics.

• Transmission Control Units (TCUs): Dedicated modules for automatic and powershift transmissions, providing smooth gear changes, improved fuel efficiency, and reduced mechanical wear.

• Sensors & Harnesses: Critical components that monitor temperature, pressure, flow, and vibration, providing real-time data to optimize machine performance.

• Diagnostic & Communication Interfaces: Modules that enable seamless integration with telematics systems, fleet management software, and machine monitoring tools.

All ASV products supplied by TOSOG are rigorously tested for durability, thermal stability, vibration resistance, and electrical integrity to ensure reliable operation in the most demanding environments. From mining pits in South Africa to heavy construction sites, our modules support continuous machine uptime, reduce costly downtime, and extend the operational life of your fleet.

By sourcing modules directly from trusted OEMs or through certified reconditioning and aftermarket partners, TOSOG ensures 100% compatibility, precise calibration, and compliance with manufacturer specifications. Our technical team is available to assist with module selection, part number verification, installation guidance, and troubleshooting to guarantee that every module integrates seamlessly with your machinery’s electronic architecture.

Whether you operate excavators, wheel loaders, bulldozers, graders, dump trucks, or specialized mining equipment, TOSOG’s ASV solutions deliver the performance, reliability, and precision required to maintain peak operational efficiency across all heavy-duty applications.

What Are ECMs & ECUs?

• Electronic Control Modules (ECMs): Manage engine functions such as fuel injection, emissions, turbo boost, and diagnostics.

• Electronic Control Units (ECUs): Broader control units that manage electrical systems, hydraulic controls, instrument displays, and subsystem functions.

• Transmission Control Units (TCUs): Are specialized ECUs that control automatic or powershift transmissions.

These modules form the digital brain of heavy equipment, enabling real-time performance optimization, fault detection, safety interlocks, and integration with telematics/diagnostics systems.

TOSOG Electronic Control Modules Product Range

🔌 ECM / Engine Control Modules

• Controls engine performance and emissions across machine types

• Compatible with major engine brands like CAT, Perkins, Cummins, Deutz, Yanmar TOSOG

🧠 ECU / System Control Units

• Hydraulic control ECUs

• CAN-bus controllers & logic modules

• Display and operator interface controllers

🔄 TCU / Transmission Modules

• Powershift / automatic transmission controllers for ADTs, loaders, dozers

⚡ Electrical & Sensor Components

• Harnesses, sensors, switches & diagnostic interfaces

• Alternators, starters, DIAGNOSTIC controllers TOSOG

Top Brands Supported by TOSOG

We source compatible control modules for earthmoving equipment from all major yellow-plant manufacturers, including:

• Caterpillar (CAT)

• Komatsu

• Volvo Construction Equipment

• Hitachi Construction Machinery

• Doosan / Hyundai

• Bell Equipment

• JCB

• Liebherr

• John Deere
  …and others covered by our parts range. TOSOG

ASV – Key Features & Benefits

Why Choose TOSOG Modules?
✔ OEM, Reconditioned & Aftermarket Options
✔ Tested & Verified for Durability
✔ Nationwide Delivery Across SA
✔ Expert Technical Support

Electronic Control Module Makers – Comparison & Review

👍 Tip: Always verify module PIN/serial numbers against machine VIN to ensure proper fit and firmware compatibility – mismatches can lead to faults or performance issues.

How to Identify the Right Electronic Control Module

1. Machine Make & Model: Key identifier for correct firmware and functionality.

2. Engine & Transmission Type: Determines ECM/TCU variants needed.

3. Serial Numbers / Part Numbers: Essential for cross-referencing parts.

4. OEM vs Aftermarket: Choose based on budget, warranty & machine age.

Our team can help match the correct ASV using machine details before purchase.