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Jeffery Armored Car (Armored Car No.1)

Four-Wheel Drive Armored Car [ 1915 ]

Another Canadian armored car development of World War 1, involving American industry, became the Jeffery Armored Car.

Authored By: Staff Writer | Last Edited: 10/26/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

During the early phases of the fighting of World War 1 (1914-1918), the Thomas B. Jeffery Company of Kenosha, Wisconsin (USA) became the recipient of a Canadian military armored car requirement. The Army sought to establish a new battery of machine gun-armed and armored trucks to help the Allies break the stout German defenses across Europe. The Jeffery Company was already producing the successful four-wheel drive "Jeffery Quad" at the commercial level and this chassis, and its standard drive, were selected by the Canadians for a special conversion process. The armored steel plating was provided for by the Bethlehem Steel Company of Pennsylvania and this combined work gave rise to what became the "Jeffery Armored Car".

Wealthy Canadian Businessman John C. Eaton lent the project capital and Jeffery Company superintendent Jerry De Cou drew up the export-minded design. For the Canadians the result was a single-turret, fully-armored war machine with four-wheeled drive arrangement. Steering could be accomplished from the front and rear of the vehicle - this allowed the car to simply drive away from danger without having to turn completely around. The cylindrical turret was centrally-located on the hull roof line and armored cupolas were featured fore and aft of it for the drivers. The engine remained in its typical forward placement and consisted of a single 4-cylinder unit allowing the heavy vehicle to reach road speeds of 20 miles-per-hour on prepared surfaces.

Dimensions included a running length of 18 feet, a beam of 6.4 feet and a height of 8 feet. Ground clearance was excellent due to its truck roots but, as with other World War 1 armored cars and trucks, the commercially-minded vehicle lacked strong cross-country mobility and performance due to the added weight of the armor and armament as well as relatively weak drive power. The operating crew numbered four and armament was centered on up to four machine guns of either Benet-Mercier or Vickers design. Beyond the turret emplacement, there were rear-mounted side sponsons containing the armament. Hinged entry-exit hatches were set all about the hull superstructure - at the vehicle sides, top, and at its rear.

Production of what became fifty total vehicles took place during 1915 and into 1916 in both the United States and Canada. In the latter this was handled by Canada Cycle & Motor Company Limited which already held experience in the production of "Russell" trucks so this led to some of the stock to be referred to as "Russell Armored Cars" for their part in the story. In Canadian Army service, the trucks were used to form the "Eaton Motor Machine Gun Battery" and were shipped to Europe to take part in the fighting as soon as September of 1915. However, the once-fluid war was no more by the end of 1914 and the trucks arrived with no useful battlefield role in trench warfare - essentially ending their wartime service in storage. For all their expense, training and work involved the vehicles did not see combat in The Great War.

Beyond Canadian military service, the car was also operated in varying numbers by the United States and Britain. In the former, American General John Pershing's "Pancho Villa Expedition" (1916-1917) trained with the type (as "Armored Car No.1") during 1916. These were similar in design to the Canadian forms save for a two-turret armament arrangement (one center, one aft) and were completed at the Rock Island Arsenal. In the latter, they were operated as part of British India Command mainly for local security at the colonial level. Some were also operated by the British in Ireland for local security.©MilitaryFactory.com
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Service Year

Canada national flag graphic


Thomas B. Jeffery Company - USA / Canada Cycle & Motor Company Ltd
(View other Vehicle-Related Manufacturers)
National flag of Canada National flag of the United Kingdom National flag of the United States Canada; United Kingdom; United States
(OPERATORS list includes past, present, and future operators when applicable)
Armored Car
Design, of typically lightweight nature, providing onroad/offroad capabilities for the scouting or general security roles.
Can conduct reconnaissance / scout missions to assess threat levels, enemy strength, et al - typically through lightweight design.

18.0 ft
5.5 m
6.4 ft
1.95 m
8.0 ft
2.45 m
7,716 lb
3,500 kg
3.9 tons
(Showcased structural values pertain to the Jeffery Armored Car production variant. Length typically includes main gun in forward position if applicable to the design)
Powerplant: 1 x Gasoline-fueled 4-cylinder engine powering four-wheel-drive arrangement.
19.9 mph
(32.0 kph)
99.4 mi
(160.0 km)
(Showcased performance specifications pertain to the Jeffery Armored Car production variant. Compare this entry against any other in our database)
1 to 4 x 0.303 caliber Benet-Mercie (Hotchkiss) OR 0.303 caliber Vickers Machine Guns.

Supported Types

Graphical image of a tank medium machine gun

(Not all weapon types may be represented in the showcase above)
2,500 x 0.303 caliber ammunition (estimated).

Jeffery Armored Car - Base Series Name; Jeffery Quad truck chassis mated to Bethlehem Steel Company armored superstructure.
Armored Car No.1 - U.S. Army designation; differing mainly in having a twin turret design; armed with 0.30cal Benet-Mercie M1909 machine guns; Rock Island Arsenal managed production of the vehicles.

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Image of the Jeffery Armored Car (Armored Car No.1)
Image from the Public Domain; City of Toronto archives.

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