About this creation
Like in title, old, pre-war firefighters' engine. Not any exact model, just a "generic" one, loosely based on multiple photos I've looked at. Scale is too big for minifigs and too small for technic figs, so the model is unmanned for now.

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That yelllow thing behind the seats is a bell. It was used before sirens were invented.
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The fire engine can connect up to 5 hoses at a time, but one should be left for taking the water while in action. Tank is not big because engine is weak, and the car can't be too heavy.
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I could use non-lego parts to make better hoses, but I like not to do this unless really necessary. So, hoses are original :)
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Yes, I saw a fire engine with bright yellow seat somewhere. Why not at all? :)
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I am not sure about that crank... but it was hard to make better.
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...and two sided.
A word about durability: Model can be considered as medium-resistant, 2-levelled, with only internal strenghtened. It means that in collision details will detach but internal structure will remain undamaged.
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