Western Star and Klein Products have developed a high-capacity water-tank truck, mainly for off-road use. It can be spec’d with a Series 60 Tier III engine, and an Allison 4500 RDS transmission

Western Star now offers a 6500-gal (24,600 liters) water-tank body on the 4900XD chassis. Developed in collaboration with Klein Products of Jacksonville, Texas, the truck features a Klein K650 water tank to provide more efficient road-dust-control operation for construction, quarry, and mining applications. It’s available in Canada.

Klein manufactures water-distributing equipment, patented pump systems, and related components. Western Star sought Klein to develop the specialized truck based on its ability to outfit the vehicle with a high-volume water-distribution system.

Available to order in a daycab configuration, the 4900XD is equipped with Klein’s largest available water tank for class 8 vehicles, reducing the need for frequent refill trips when spraying mine roads, waste rock dumps, and other exposed surfaces.

The 4900XD features an extremely low center of gravity, says Western Star, and is available with a rollover protection system (ROPS). The truck comes with outboard cab mounts and up to 20,000-lb front and 70,000-lb rear suspension to maximize stability on uneven terrain.

The K650 tank’s distinctive trapezoid design greatly improves rearward vision for drivers.

Spec’d with a sturdy, custom-drilled 3.8-million-RBM steel frame, ‘galvannealed’ steel cab, and aluminum fenders, the truck aims to provide critical protection and long-term durability, even in the most adverse job conditions.

The 4900XD can be equipped with a Detroit DD15, DD16, or DDC 60 Tier III engine, each easily accessible through the truck’s three-piece butterfly hood.


Rolf Lockwood is editor emeritus of Today's Trucking and a regular contributor to Trucknews.com.

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