Alvis Stalwart Original Parts

Engine, mechanical, electrical and ancillary components for Alvis Stalwart. Including large stocks of Rolls Royce 'B' Range engines and parts. We are able to supply parts in quantity or single items worldwide.
Make an enquiry

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 in response to a requirement for a new six-wheeled amphibious truck for the British Army. It was based on the earlier Alvis Saladin armored 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 1966 and quickly became a versatile workhorse, serving in a variety of roles, including supply transport, troop carrier, field ambulance, and reconnaissance vehicle. 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. 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.
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. It also saw combat deployments in various conflicts, including the Dhofar Rebellion in Oman, the Yom Kippur War, and the Falklands War.

In the Dhofar Rebellion, the Stalwart was used to transport supplies and equipment to British troops operating in the mountainous terrain of Oman. It also provided ambulance and support services to deployed troops.

During the Yom Kippur War, the Stalwart was used by the Israeli Army to transport troops and supplies across the Suez Canal. It also provided fire support and reconnaissance capabilities in the Sinai Peninsula.

In the Falklands War, the Stalwart was used by British forces to transport equipment and supplies to the islands. It also provided ambulance and support services to deployed troops.


Upgrade Program

In the late 1970s, the British Army embarked on a program to upgrade its Stalwart fleet. This program included the addition of new engines, transmissions, and suspension systems to improve the truck’s performance and reliability.

The Stalwart was also equipped with a new armour package, increasing its protection against small arms fire and artillery fragments. Additionally, the truck’s radios and fire control systems were upgraded to meet the changing needs of the battlefield.


Retirement and Legacy

The Stalwart was gradually phased out of service with the British Army in the early 1990s, being replaced by more modern trucks such as the Land Rover Defender and the MAN 8×8. However, it continued to serve in other militaries for many years, and some examples are still in use today.

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