780-483-8314

An Authorized Cummins Dealer

Professional Heavy-Duty Engine Conversions for Commercial Fleets in Edmonton

When the chassis of a heavy-duty truck outlasts its original engine, or when a factory power plant becomes a maintenance liability, a heavy-duty engine conversion offers a cost-effective, high-performance solution.

At GB Truck & Diesel, we provide precision-engineered diesel engine conversions that restore reliability, increase uptime, and extend the service life of commercial trucks across Edmonton and Western Canada.


What Is a Heavy-Duty Engine Conversion?

A heavy-duty engine conversion (also known as repowering) involves replacing a truck’s original diesel engine with a different model or brand to improve:

  • Performance

  • Reliability

  • Fuel efficiency

  • Parts availability

  • Long-term maintenance costs

Unlike standard engine repairs or rebuilds, a diesel conversion requires advanced expertise in:

  • Structural fabrication

  • Electronic Control Unit (ECU) integration

  • CAN-bus communication systems

  • Driveline synchronization

  • Cooling system optimization

For commercial fleets, a properly executed conversion can deliver factory-level performance without the capital cost of purchasing a new truck.


Why Commercial Fleets Choose Diesel Engine Conversions

Brand Reliability & Platform Preference

Many fleet operators replace high-maintenance factory engines with proven platforms like Cummins for improved durability and lower lifecycle costs.

Modernizing an Older Chassis

Upgrading to a newer diesel engine model improves efficiency, emissions compliance, and torque output while retaining a dependable truck frame.

Improved Parts Accessibility

Switching to an engine platform with a stronger North American supply chain reduces downtime and parts wait times.

Increased Torque for Specialized Hauling

Heavy-haul and vocational applications often require higher torque ratings. A repower allows your truck to handle more demanding commercial loads.


The GB Truck & Diesel Engine Conversion Process

As an Authorized Cummins Dealer serving Edmonton since 1973, we follow a detailed engineering protocol to ensure every conversion performs as if factory-installed.

1. Compatibility & Engineering Assessment

Every project begins with a comprehensive evaluation of:

  • Frame strength

  • Engine bay dimensions

  • Cooling capacity

  • Transmission compatibility

  • Electrical architecture

This ensures the selected engine is structurally and mechanically compatible with your chassis.


2. Custom Mounting & Heavy-Duty Fabrication

Cross-brand conversions require custom fabrication. We design and build:

  • Reinforced engine mounts

  • Structural support brackets

  • Proper vibration dampening systems

Correct engine alignment protects your driveline from premature wear and ensures long-term durability.


3. Advanced ECU & CAN-Bus Integration

Modern heavy-duty trucks are electronically integrated systems. Our technicians manage the complex electronic integration required for:

  • Dashboard functionality

  • ABS systems

  • Safety modules

  • Transmission communication

  • Engine Electronic Control Unit (ECU) synchronization

This “electronic handshaking” ensures seamless system communication and OEM-level operation.


4. Driveline & Cooling System Optimization

Higher-output engines demand enhanced cooling and airflow management. We optimize:

  • Radiator stacks

  • Charge air coolers

  • Custom exhaust routing

  • Thermal management systems

This ensures consistent performance under heavy commercial loads.


Specialized Diesel Conversions: The Cummins ReCon® Advantage

While we work with multiple heavy-duty brands including Hino and Caterpillar, we are widely recognized for Cummins ReCon conversions.

Benefits of a Cummins ReCon Engine:

  • Zero-Hour Performance – Fully remanufactured to factory specifications

  • Nationwide Warranty Coverage – Recognized across the Cummins dealer network

  • Immediate Availability – Reduced downtime compared to custom rebuilds

  • Factory-Tested Reliability – Built to OEM standards

For fleet operators, this translates into predictable performance and faster return to service.


Diesel-to-Diesel Cross-Brand Conversions

We specialize in cross-brand repowers, including conversions from:

  • Detroit platforms

  • PACCAR engines

  • Other legacy diesel platforms

Our team manages:

  • Transmission adapter solutions

  • Electrical harness integration

  • Emissions compliance

  • Safety certification readiness


Frequently Asked Questions (FAQs)

Why Choose an Engine Conversion Instead of Buying a New Truck?

A diesel engine conversion allows you to:

  • Avoid high capital costs

  • Reduce depreciation losses

  • Keep a chassis you trust

  • Shorten downtime compared to new truck orders

For many commercial fleets, repowering is the fastest and most cost-effective path to restoring asset productivity.


Will My Truck Pass Provincial Safety & Emissions Inspections?

Yes. We ensure every engine conversion meets Alberta provincial safety and emissions standards. Our installations are completed to a “factory-clean” level designed to pass inspections without complications.


Can My Existing Transmission Handle a Different Engine?

It depends on torque ratings and drivetrain specifications. During our engineering assessment, we evaluate:

  • Transmission compatibility

  • Adapter plate feasibility

  • Torque tolerance

  • Upgrade requirements

If necessary, we source and install a transmission matched to your new engine’s power profile.


Serving Edmonton & Western Canada Since 1973

For over 50 years, GB Truck & Diesel has supported commercial fleets throughout:

  • Edmonton

  • Alberta

  • Western Canada

We understand that in the heavy-duty industry, uptime equals profitability.


Partner With Edmonton’s Heavy-Duty Engine Conversion Experts

An engine conversion is an investment in the future performance and reliability of your fleet. Trust a team with decades of diesel engineering experience—not a general repair shop.

Contact GB Truck & Diesel today to discuss your heavy-duty engine conversion project and discover how repowering can transform your fleet’s performance, reliability, and long-term operating costs.