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An American armoured car from WW1... or is it?

Armoured cars are faster, cheaper, and easier to service than tanks. Beyond that, we admit to having limited knowledge of WW1 armoured vehicles—but we do know an interesting photograph when we see one. And this seemed just that.

The image comes from the New York Public Library. The number plate visible (note the '15', which must refer to the year it was registered) appears American too. But is the vehicle itself American? That’s harder to say.

A bit of research reveals that “a great variety of armoured cars appeared on both sides during World War I.” The Belgians developed Minervas fitted with armour plating and a Hotchkiss machine gun, creating their version as early as 1914. Not long after, the UK followed with ‘fighting cars’ built on Rolls-Royce, Leyland, Talbot, Lanchester, and Wolseley chassis. France had specially adapted Panhards, Peugeots, Renaults, and Hotchkisses. Italy contributed Fiat- and Lancia-based designs, while the USA had its own Kings and Whites. Canada even deployed over 20 squadrons with its own vehicles to France—though what those were based on, we don't quite know.

 

Are there specific features that make this one stand out? Aside from a glimpse of the chassis and suspension—and perhaps the shape of the bonnet—it’s likely that most of what we see here is custom-reinforced, and not exactly the same as the original base model. Maybe the badges on the back, or the soldiers’ uniforms and hats, could offer a clue..?

 

Words: Jeroen Booij
Picture: The New York Public Library

 

Published:
Monday August 4th, 2025
Steve Diggins
11 August 2025, 04:40
There is still one left. It is in the Canadian War Museum. Google World War One Canadian armoured cars Then click on Wikapedia. The Canadian Army had two types.
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Markus Wolfe
10 August 2025, 13:18
For a good history of the Rolls-Royce armoured cars in service with Lawrence of Arabia (T.E. Lawrence) , pick up Masters of Mayhem by James Stejskal. It talks about the British Military Mission to the Hejaz and the integration of different kinds of military units into a guerrilla army and includes a lot of info on the vehicles he used, not just camels and horses. A great book!!
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Larry A. Lewis
10 August 2025, 20:34
Thanks for that- i'll look for that book. I recently read a book called "Lawrence In Arabia" and it describes all the various interests such as Jewish setters, German spies, missionaries and so forth. It wasn't just Lawrence, Arabs and Turks.
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Ariejan Bos
04 August 2025, 16:40
It is indeed a 1915 Davidson-Cadillac. Uploaded a page from the book American Military Vehicles of World War 1 by Albert Mroz, which can be found online as pdf. A google image search would have done the job too, by the way.
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James Mead
06 August 2025, 06:05
The side mount spare is humorous. Were Cadillac frames that flat ?
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Ariejan Bos
07 August 2025, 13:09
That is difficult to check, because I couldn't find a bare 1915 Cadillac chassis image. However the shape of the front dumb-irons seems to match.
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Laurent ZOLLER
04 August 2025, 14:43
Hello
Davidson-Cadillac armored car.
The Davidson-Cadiilac armored car of 1915 was developed on a Cadilac chassis by Royal Page Davidson and the cadets of the Northwestern Military and Naval Academy in Highland Park , Illinois.
This military vehicle is the first true fully armored vehicle made by the United States because it was built specifically just for that purpose and was not a conversion of an automobile or truck.
Laurent ZOLLER
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Clive Boothman
04 August 2025, 10:55
Davidson Cadillac?
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Larry Lewis
04 August 2025, 02:22
A Rolls-Royce in the desert is above rubies. - T.E. Lawrence
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Mahmoud Ezzeldin
10 August 2025, 10:36
I remember that phrase from S. C. Rolls's book "Steel Chariots in the desert" is an amazing book and a must read if one is interested in Rolls Royce armoured cars of WW1
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