Goliath Diesel: Powering Your Performance

Calgary's Premier Destination for Heavy-Duty Truck Sales, Service, and Fleet Solutions.

Comprehensive Diesel Services to Keep You Moving

Our certified technicians are equipped to handle everything from routine maintenance to complete overhauls. We ensure your rig stays reliable and road-ready.

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Heavy-Duty Engine Repair

From advanced diagnostics to complete overhauls, our certified technicians expertly service all major engine brands like Cummins, Detroit, and PACCAR, restoring peak performance.

Close-up of clean transmission gears and components.

Transmission & Drivetrain

Expert servicing for manual and automatic transmissions. We ensure smooth operation and longevity for your truck's entire drivetrain, keeping your power transfer robust.

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Preventative Maintenance

Customized PM programs to maximize your uptime, improve fuel efficiency, and prevent costly, unexpected breakdowns, safeguarding your investment.

Laptop computer showing diagnostic software connected to a diesel truck.

Advanced Fleet Diagnostics

We utilize state-of-the-art tools to quickly and accurately diagnose complex electronic and mechanical issues across your entire fleet, minimizing guesswork and downtime.

Well-organized shelves stocked with various truck parts and filters.

OEM & Aftermarket Parts

Our extensive on-site inventory of high-quality OEM and trusted aftermarket parts ensures quick turnaround times for all repairs and services, getting you back on the road faster.

Shiny new custom chrome exhaust stacks on a modified semi-truck.

Custom Modifications

From performance tuning and custom exhaust systems to lighting upgrades, we enhance your truck's capabilities and appearance, making it uniquely yours and optimally efficient.

Featured Truck Inventory

A selection of quality new and pre-owned heavy-duty trucks. Contact us for our complete and incoming stocklist.

Scalable Fleet Management Solutions

Maximize your operational efficiency and minimize downtime with our dedicated fleet programs. We partner with you to keep your business moving forward.

A line of five matching company semi-trucks parked neatly at a logistics facility.
  • Customized Maintenance Schedules

    We analyze your fleet's usage, routes, and vehicle types to create a proactive maintenance plan that prevents issues before they start, ensuring optimal truck performance and safety.

  • Priority Service & Turnaround

    Fleet partners receive expedited scheduling and priority bay access, ensuring your vehicles are diagnosed and repaired faster, minimizing costly downtime and keeping your operations flowing.

  • Consolidated Billing & Reporting

    Simplify your accounting with detailed monthly reports and consolidated billing, giving you clear insight into your maintenance expenditures and helping you manage your budget efficiently.

The Goliath Diesel Advantage

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Certified Technicians

Our team holds multiple certifications for major diesel engine and transmission manufacturers, ensuring dealership-level expertise with every repair.

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State-of-the-Art Technology

We invest in the latest diagnostic tools and equipment to provide accurate, efficient, and reliable repairs every time, minimizing guesswork and maximizing uptime.

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Client-First Approach

We believe in transparent pricing, clear communication, and building long-term partnerships with our clients, making your success our priority.

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Decades of Experience

Founded by haulage industry veterans, we truly understand the critical demands of the road and what it takes to succeed in the demanding transportation sector.

What Our Partners Are Saying

Let's Get to Work

Whether you need urgent repairs, a new truck, or a comprehensive fleet plan, our team is ready to help. Reach out today!

Send Us a Message

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Contact Information

Goliath Diesel

789 Monarch Drive, Suite 200

Calgary, AB, T2P 2P2

Phone: (403) 555-0187

Email: [email protected]

Hours: Mon-Fri: 7 AM - 6 PM | Sat: 9 AM - 2 PM

Find Us

Visit Our Shop

The clean and professional storefront of Goliath Diesel.