The design of the paddle wheel is another critical factor. Paddles should be durable and resistant to corrosion, as they will be in constant contact with water. The number and shape of the paddles will also affect the aerator's performance, with some designs providing more efficient oxygenation than others. Consider the material and construction of the paddle wheel to ensure it can withstand the rigors of continuous operation.

The mobility of the diesel engine paddle wheel aerators is an important consideration, especially for larger water bodies where the aerator may need to be moved to different locations. Some aerators are designed to be stationary, while others can be mounted on floats or frames for easy movement. Consider the terrain and accessibility of your water body when choosing an aerator with the appropriate mobility features.

Regular maintenance is essential for the longevity and efficiency of any diesel engine paddle wheel aerator. Look for models that are easy to access for maintenance tasks such as oil changes, filter cleaning, and general inspections. Some aerators may also have features like automatic oil change systems or easy-to-remove components to simplify maintenance.

While it's tempting to choose the most affordable option, it's important to consider the long-term cost-effectiveness of the aerator. A higher initial cost may be justified by lower operating costs, fewer maintenance requirements, and a longer lifespan. Additionally, consider the cost of fuel and any potential savings in terms of reduced water treatment expenses due to improved water quality.