Key Takeaways
- RufDiamond’s “fat trucks” are low‑pressure, all‑terrain vehicles that can move seamlessly between water and land, excelling in mud, swamps and austere environments.
- The company supplies these trucks to Hydro One for flood response and to the Canadian Armed Forces, leveraging founder Daryl Adams’ military experience.
- Military contracts require subtle adaptations—such as a dash‑mounted button to extinguish all lights and strict weight limits for air‑lift capability—differing from high‑visibility utility needs.
- Canada’s new defence industrial strategy aims for 70 % of federal defence contracts to go to Canadian firms within a decade, prompting northern Ontario cities like Greater Sudbury to explore defence‑manufacturing opportunities.
- Sudbury city council passed a motion supporting the strategy, though not unanimously; proponents see parallels between rugged mining equipment and military需求, while critics urge investment in other sectors.
- FedNor’s Natalie Brabant emphasizes that northern firms need not build weapons but can supply components (brackets, catwalks, seat frames, etc.) to meet military standards.
- A $976,650 FedNor investment launches the Northern Ontario Defence Opportunities Project, offering grants up to $50,000 to help local businesses achieve compliance.
- Supplying the military involves hurdles such as security clearances, regulatory compliance, and emerging cyber‑security standards, as noted by BluMetric’s CEO Scott MacFabe.
- Economist Karl Skogstad warns that additional support programs can add layers of bureaucracy, but firms with dual‑use products (e.g., drones) are best positioned to benefit.
RufDiamond’s Fat Trucks: Design and Capability
RufDiamond, based in an industrial park on the eastern edge of Greater Sudbury, manufactures heavy‑duty all‑terrain vehicles dubbed “fat trucks.” These machines feature large inflatable tires operated at extremely low pressure, allowing them to transition effortlessly from water to land and back again. President Daryl Adams highlights their comfort in deep mud, swamps, bogs, marshes and other austere, challenging terrains where conventional vehicles falter.
Clients and Operational Use
Hydro One ranks among RufDiamond’s biggest customers; during spring flooding near Minden, Ontario, powerline technicians deployed the fat trucks to reach downed infrastructure. Over the past four years, the Canadian Armed Forces have also become a significant client, utilizing the vehicles in various operational settings.
Founder’s Military Background Informing Business
Daryl Adams began his career with the Royal Canadian Regiment’s 1st Battalion and served in the former Yugoslavia. The training and personal growth he experienced there proved invaluable when he later diversified RufDiamond’s business to pursue military contracts, giving him insight into the distinct needs of defence customers.
Differences Between Utility and Military Requirements
Adams notes that in the hydro utility sector, visibility is paramount—vehicles must be seen day or night. Conversely, the military often prefers low‑visibility operations, working under cover of darkness. To meet this need, RufDiamond equips its military‑spec fat trucks with a dash‑mounted button that can extinguish every light source when required.
Engineering Adjustments for Defence Contracts
Producing for the military demands attention to subtle details: weight limits for air‑lift compatibility (e.g., fitting inside a C‑130 Hercules), robust construction for harsh environments, and adherence to strict standards. Adams advises companies seeking defence work to understand these nuances and consult with experienced partners, such as northern Ontario mining supply firms, to navigate the transition.
Federal Defence Industrial Strategy and Northern Interest
In February, the federal government unveiled Canada’s new defence industrial strategy, targeting 70 % of defence contracts for Canadian firms within the next ten years. Approximately 300 Ontario‑based companies currently supply the Canadian Armed Forces, most concentrated in Ottawa and southern Ontario. The strategy has sparked interest in the north, leading Sudbury city council to pass a motion on April 14 endorsing the initiative.
Sudbury Council’s Motion and Local Perspectives
Councillor Mike Parent introduced the motion, motivated by a desire to increase municipal revenues and explore Greater Sudbury’s role in military equipment manufacturing. Parent, also CEO of Workplace Safety North, points out the strong parallels between mining‑sector equipment—load hauls, scoop trams, haulage trucks—and military needs, both requiring ruggedness for harsh environments. He believes local mining suppliers could pivot to defence production with appropriate support.
The motion was not unanimous; four council members voted against it, and a vocal group of protesters argued that Sudbury should prioritize responsible critical‑mineral extraction, mental‑health investment, health sciences, green‑transition initiatives, and post‑secondary education—sectors they view as safer and more locally beneficial.
FedNor’s Guidance on Component‑Level Opportunities
Natalie Brabant, FedNor’s lead on national defence, cautioned that northern firms are unlikely to build entire weapons systems. Instead, she encourages them to consider manufacturing components such as brackets, catwalks, stair assemblies, or seat frames—items that meet military standards without requiring a full shift to weapon production.
To facilitate this transition, FedNor announced on April 21 a $976,650 investment to launch the Northern Ontario Defence Opportunities Project. Through the initiative, businesses can apply for grants of up to $50,000 via the Business Centre Nipissing Parry Sound to help them achieve necessary certifications and standards.
Challenges of Entering the Military Supply Chain
Scott MacFabe, CEO of BluMetric—a provider of water‑treatment systems for the Department of National Defence—describes the barriers to entry: obtaining security clearances for key staff, maintaining compliant business practices, and adhering to increasingly stringent cyber‑security requirements. He urges newcomers to partner with experienced firms that understand the ropes of defence contracting.
Bureaucracy and Opportunities for Dual‑Use Firms
Karl Skogstad, an economist at Lakehead University and military‑economics expert, observes that while the government acknowledges the bureaucracy involved in defence procurement, its response often adds another layer of support rather than reducing red tape. Nonetheless, he notes that companies producing dual‑use goods—products with both civilian and military applications, such as certain drones—are well positioned to benefit from the new defence industrial strategy, as they can leverage existing expertise while meeting defence specifications.
In summary, RufDiamond’s innovative fat trucks illustrate how northern Ontario’s industrial expertise can align with defence needs, provided firms navigate technical, regulatory, and bureaucratic hurdles. The federal defence industrial strategy, coupled with targeted funding and local advocacy, is creating a nascent ecosystem where mining‑derived capabilities may be repurposed for military components, fostering economic growth while recognizing the complex realities of defence procurement.

