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When you’re purchasing a new (or new-to-you) fire tanker truck, one of the key decisions you’ll face is whether to go with an elliptical or wetside style. Both have advantages, and the right choice often comes down to your department’s needs, staffing, and budget. While elliptical used to be the more popular style, wetside fire tankers are becoming increasingly common. Why is that? Let’s take a closer look.

The elliptical-style fire tanker features a more rounded tank, which makes it slightly lighter and easier to maneuver. These tankers are often chosen for their balance of performance and handling, especially in rural or tight-response areas.
At Osco, we offer both poly tanks (with a lifetime warranty) and stainless steel tanks for elliptical tankers. Both options are durable and reliable, and the choice often comes down to your department’s preferences and intended use.
The wetside style has a more rectangular tank and often includes additional storage for hoses, tools, and equipment. These tankers tend to be slightly heavier and longer, so maneuverability can be a consideration. However, the added space and flexibility make wetside tankers ideal for departments that need to carry everything in one vehicle.
For departments with limited staffing, a wetside tanker can act as a multipurpose vehicle—allowing first responders to arrive fully equipped without waiting for backup.

One reason wetside tankers are becoming more common is the growing need for fire departments to do more with less. In many rural areas, budget cuts and reduced staffing make it essential to have versatile, multifunctional equipment. A wetside tanker lets your team carry water, gear, and tools in one reliable unit, helping your department stay prepared without adding more vehicles to maintain.
At Osco, we offer three core fire tanker truck models to fit every department’s needs:
Each truck is fully customizable. Choose from:
Whether you’re considering elliptical or wetside, Osco Tank & Truck Sales is here to help you find the perfect solution for your department. Our team will walk you through your options and help you design a custom tanker that meets your specs, your budget, and your goals.
Contact us today to get started on your next custom fire tanker truck.