MUSKEGON, Mich. : RENK America has secured more than $50 million in sustainment and spare parts contracts awarded between December 2025 and early 2026, reinforcing continued demand for its military drivetrain systems and lifecycle support services among U.S. and allied defense forces.
The contracts, valued at approximately $52 million, cover three primary operational areas: allied fleet sustainment, AVDS engine spare parts, and transmission field service and international spares support. The awards are focused on maintaining operational readiness and extending the service life of ground combat vehicle fleets deployed in the United States and overseas.
Contract Awards and Scope
The largest portion of the funding, a $25 million award granted in December 2025, supports allied fleet sustainment efforts. The contract is aimed at accelerating maintenance and modernization activities for critical defense platforms operating abroad. The program is structured to ensure that allied vehicle fleets remain mission-capable in demanding operational environments while extending platform longevity through structured sustainment cycles.
In early 2026, RENK America secured an $18 million contract for spare parts supporting the AVDS-1790 engine series. The AVDS (Air Vee Diesel Supercharged) 1790 engine is widely used in heavy armored platforms, including the M88 Recovery Vehicle and various main battle tanks. The award covers the supply of OEM-qualified components intended to maintain performance standards and support continued field operations.
A separate $9 million combined award, also booked in early 2026, provides Hydro-Mechanical Powered Transmission (HMPT) Field Service Support along with international spare parts for multiple global customers. The HMPT system is a core drivetrain component in several key U.S. Army platforms, including the Bradley Fighting Vehicle, the Armored Multi-Purpose Vehicle (AMPV), and the Paladin self-propelled howitzer. The contract encompasses technical assistance, field service representation, and the supply of replacement parts to sustain operational availability.
Production and Sustainment Operations
RENK America stated that its Muskegon, Michigan facility is operating at full production and support capacity to meet delivery timelines associated with the new awards. The site serves as a central hub for drivetrain manufacturing, engineering, and depot-level maintenance activities.
The company operates under a lifecycle sustainment model that integrates Original Equipment Manufacturer (OEM) engineering expertise, technical data management, and depot repair capabilities. This framework enables RENK America to provide certified spares, refurbishment services, and technical support aligned with original system specifications.
Corey Johnson, Transmission Line General Manager at RENK America, said field service representatives play a direct role in sustaining fleet readiness.
“Our field service representatives are highly regarded for the help, training and advice that they provide: often finding proactive local fixes that keep vehicle powerpacks running and fleet uptime high,” Johnson said.
Field service teams provide on-site diagnostics, training, and technical guidance to maintain vehicle powerpack performance and reduce downtime across operational units.
Support for Military “Right to Repair” Objectives
The recent contract awards coincide with ongoing discussions within the U.S. defense sector regarding the military “Right to Repair” initiative. The initiative focuses on ensuring that servicemembers have access to technical data, tools, and components necessary to repair and maintain advanced equipment without excessive reliance on external contractors.
Ian Pain, Chief Executive Officer of RENK America, said the company’s logistics network and technical data infrastructure align with these objectives.
“The Right to Repair is a hot topic for the US Army and defense officials, keeping spares and know-how available and close to the point of need,” Pain said. “For over fifty years, our Muskegon site has provided technical data, OEM quality spares and depot support to our customers. Of course, we are always looking to see what more we can do to leverage our hot production and repair lines to provide even more support to the warfighter.”
According to the company, its established supply network and depot-level repair lines are designed to decentralize sustainment capabilities, allowing technical data, certified components, and repair expertise to remain accessible near operational theaters.
Continued Demand for Drivetrain Sustainment
The combined awards reflect sustained demand for drivetrain systems and lifecycle maintenance support across heavy armored and mechanized fleets. By covering engines, transmissions, field service, and depot-level sustainment, the contracts collectively support ground combat vehicle readiness across multiple platforms and international operators.
RENK America indicated that production, repair, and logistics activities related to the new contracts are underway, with the Muskegon facility serving as the central coordination point for manufacturing, technical support, and global distribution.
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