Fire Engines Photos

Keen - a Front-Mount Pump on a tri-axle Tanker and 5, 000 gallons of water [18, 900 litres].

Any rural Fire Chief would love to see this rig, on Mutual Aid, arrive at his fire-scene. In North America, multiple axles are often required on the roads, to meet maximum axle-loading requirements, by law. In northern areas, with severe winters; and accompanying spring break-up - axles are restricted to 80% loading, as the road-beds thaw out. The roads "heave" and sink - pavement breaks up and lots of pot-holes develop.

A great photo. Regards, from Canada, Pat_R-B

Added by Pat Rivers-Bowerman on 18 September 2008.

Triple rear axles are pretty rare except in "tire country" - Michigan and Ohio, where local tire manufacturers successfully lobbied years ago for multi axle (and therefore multi tire) trucks. In these places four, five or even six axle trucks can be seen at work every day!

Although the tires theoretically wear less with less weight on them, there are of course more of them to wear out, and the real tire killer is lateral scrub - which destroys the treads, sidewalls and casings by increasing the lateral flexing on the rear axle tires whenever the truck turns.

Added by Rob Johnson on 03 January 2018.

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