Alvis Stalwart Original Parts

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Alvis Stalwart: A Versatile Amphibious Truck

Stalwart Mk2 FV

Photo Credit: Billyhill

The Alvis Stalwart, formally classified by the British Army as Truck, High Mobility Load Carrier (HMLC), 5 Ton, 6 x 6, Alvis Stalwart and informally known by servicemen as the Stolly, is a highly mobile amphibious military truck.
 

Design and Development

The Stalwart was developed by Alvis as a private venture in the early 1960s. It’s hull, six wheel drive and suspension was based on the earlier Alvis Saladin armoured car and incorporated several of its design features, including a waterjet propulsion system for amphibious operation.
The Stalwart’s hull was made of Rolled Homogeneous Armor (RHA), providing protection against small arms fire and shrapnel. It was powered by a Rolls-Royce B81 MK 8B eight-cylinder water-cooled 6.5 L petrol engine, giving it a maximum road speed of 64 kilometers per hour (40 miles per hour) and an operational range of 640 kilometers (400 miles).
 

Service History

The Stalwart entered service with the British Army in 1963 (the Mark 2 was introduced in 1966). It quickly became a versatile workhorse, serving in a variety of roles, including supply transport for ammunition, fuel and mines. It was particularly well-suited for operations in difficult terrain or in areas with limited road infrastructure.
The Stalwart’s amphibious capabilities made it particularly valuable in amphibious assaults and riverine operations; but it did need service afterwards to remove water from it’s wheel stations and constant velocity joints. It could cross water obstacles without the need for bridges or ferries, and its ability to travel cross-country made it well-suited for operations in coastal areas or along inland waterways supporting front line tanks and artillery units.
Alvis Stalwart

Photo Credit: Geni

Operational Deployments

The Stalwart saw extensive use during the Cold War, participating in numerous exercises and training exercises across the globe. 

The Stalwart was used to transport supplies and equipment to British troops operating in the mountainous terrain of Aden. It also provided ambulance and support services to deployed troops.

Retirement and Legacy

The Stalwart was gradually phased out of service with the British Army in the early 1990s.

The Alvis Stalwart left a lasting legacy as a versatile and capable HMLC, that would swim when required. It was generally reliable and durable vehicle that served with distinction in a variety of operational roles. Its unique combination of mobility and amphibious capabilities made it a valuable asset to the British Army and other militaries that operated it.

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