
Recent high-altitude performance trials of the U.S.-backed Stryker Infantry Fighting Vehicle (IFV) in Ladakh have raised concerns about its suitability for the Indian Army's operational requirements, particularly in challenging mountainous regions.
While a proposed engine upgrade may address some power deficiencies, questions remain about the vehicle's overall adaptability to India's diverse terrain.
The trials, conducted in late 2024 under the supervision of the Indian Army on behalf of General Dynamics Land Systems-Canada, reportedly revealed significant operational limitations of the Stryker in the oxygen-deprived, rugged environment of Ladakh.
These trials are crucial as they inform India's plans to modernize its mechanized infantry forces.
The Stryker IFV, originally equipped with a 300-horsepower (hp) Caterpillar C7 engine, experienced considerable difficulties during the Ladakh evaluations, which took place at altitudes ranging from 13,000 to 18,000 feet.
Sources familiar with the trials indicated that the vehicle struggled with maneuverability, even on relatively flat terrain, and failed to ascend a small 20-meter incline. The reduced oxygen levels at high altitudes, combined with the engine's power limitations, resulted in frequent overheating.
One source stated that the engine consistently overheated due to the lack of oxygen and the need to operate at low torque, forcing a halt to the trials at one point to prevent potential damage to the transmission. This highlights the vehicle's operational limitations in high-altitude environments.
General Dynamics has proposed upgrading the Stryker to a 600hp engine in response to the Indian Army's feedback. Initial tests of this upgraded engine are planned in the U.S., followed by further trials in India. However, even with increased power, concerns remain about the Stryker's overall suitability. The current version lacks amphibious capabilities, and extensive customization may be needed to meet Indian requirements.
The lack of amphibious capability could be critical, as many of India's operational areas, particularly along its borders, involve riverine terrain.
While specific details of the trial results remain confidential, sources suggest that the findings have been submitted to Indian Army Headquarters for evaluation.
The reported performance issues, especially when compared to domestically produced alternatives, suggest a possible reevaluation of the Stryker's role in India's defense plans.
The future of the Stryker in India is currently uncertain, pending further trials and a comprehensive assessment by the Indian Army, balancing operational necessities with broader strategic considerations.
In comparison, the indigenously developed Wheeled Armoured Platform (WhAP) 8×8, a collaborative effort between the DRDO and Tata Advanced Systems, reportedly performed significantly better under the same high-altitude conditions.
Sources reported that the WhAP, also powered by a 600hp engine, navigated the terrain with ease and did not experience the overheating or mobility problems that affected the Stryker.
The WhAP's higher power-to-weight ratio (25 hp/ton compared to the Stryker's 17.24 hp/ton) is believed to be a key factor in its superior performance, demonstrating its design advantage for India's varied and demanding operational environments.
The Stryker's performance issues have emerged during ongoing discussions between India and the United States regarding the potential co-production of approximately 530 IFVs.
This initiative, part of the U.S.-India Defence Technology and Trade Initiative (DTTI), aims to strengthen defense cooperation and decrease India's dependence on Russian military hardware, such as the older BMP-2 infantry fighting vehicles currently in service.
A phased approach, including initial purchases through the U.S. Foreign Military Sales (FMS) program, followed by co-production in India with Bharat Earth Movers Limited (BEML), and eventual joint development of more advanced models, has been under discussion since 2023.