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The W model survives as a production model in part by popularity. The T600 and others are more aerodynamic, but the older W900 still gets bought.
The standout feature: the long nose. They also have delicate external doorhandles, larger ventilation windows in the doors, chrome grabhandles on the radiator, “bulkhead style” doors, big front windows, and fiberglass roof panels.
The W900 was introduced into the market gradually. Started in 1961 and was sold alongside other Kenworths of the time.
These are built in North America and in Australia.
They’ve come with 18, 13 and 10 speeds. The wheelbase is usually around 285 inches (7,200 millimeters).
For engines, they come with 180-600 Cats, Cummins, Detroit Diesel, and PACCAR motors. The long nose can house up to a 625 hp engine. 9 to 16 liters.
The axles are rated for 12,000 to 22,000 pounds in the front and 23,000 to 58,000 (tandems) in the back
Even though they started building these more than 50 years ago, not much has changed on them.
Oh, and do you know what the “W” stands for? “Worthington.”
