Heavy-Duty Truck Oil Change: A Fleet Manager's Guide to Intervals, Standards, and Service

Fleets often overlook engine oil as part of their operations management, resulting in the poor control and excessive wear of their vehicles. However, inattention to oil changes can greatly impact a fleet’s bottom line. Every 12 months and per vehicle, the additional cost to a fleet for poor oil management can exceed $5,000 due to accelerated wear and premature failure of the vehicle. Oil changes are a means to an end; the end being risk management.


Passenger vehicles and oil: A Misconception

Truck and engine oil is not the same as passenger vehicle oil and managing the two the same way is a mistake. There are two key elements that differentiate managing oil for passenger and commercial vehicles.

Engine design: The classification of diesel engine oil (B) is dependent on the design of the engine and the presence of after treatment systems. Using the wrong category of oil can result in reduced service life of the filter and catalyst.

Service conditions: A passenger vehicle oil can be expected to last the same whether a truck is used for hauling and towing or city use. In heavy-duty use, the service conditions can significantly impact the service life of the oil. There are various industry guidelines and recommendations that provide Oil Change Intervals (OCI) based on the expected service conditions of a vehicle and the quality of the oil used. Without oil analysis, the expected industry best practice is to perform oil changes every 10,000 to 15,000 miles.

Climate compounds both factors. Bakersfield summers routinely exceed 100°F, and sustained heat combined with extended idling degrades oil faster than mileage alone would suggest.

What an Oil Change Should Look Like

Services described as “oil changes” can vary. Generally, a complete heavy-duty service should include:

  • Draining and replenishing engine oil to manufacturer standards
  • Replacement of the oil filter; it should always be replaced and should never be reused or “topped off”
  • Inspection and replacement of fuel filters and water separators, if needed
  • Adjustment of power steering and coolant fluids, as well as windshield washer fluid
  • Lubrication of bearings and chassis components
  • Visual inspections of various components for leaks, wear, and tire pressure

Of these, the visual inspections are the most important. As the service bay and the truck are already raised, it is less expensive and easier to correct an emerging problem. The goal should be to provide the most service for the oil change.

What Differentiates Us From the Competition?

We take pride in offering the best oil change service for big rigs in the area. Our team can handle commercial trucks, trailers and equipment for fleets. The average service time is under 90 minutes. Most shops charge for the service and tell you the price after the oil change. Not us, the price is set before the service begins. We understand the need for your equipment to be repaired and maintain full operation. If your truck is in for other repairs, we will do the oil change on site. Lastly, our rates are flat, regardless of the time of day. Roadside oil changes are available 24/7.

What are the signs that a commercial truck needs an oil change?

The most telling sign is if the oil looks dirty. A fresh oil filter will be amber, but if it is black or dark, it needs changing. Noise or roughness with the engine at idle may indicate the oil needs changing. If the oil level is low, or there is smoke coming from the exhaust, an oil change is definitely needed. Any of these may indicate an issue, but if two or more are present, that means the issue is very serious and the truck should not be driven.

How much does changing the oil in a commercial truck cost?

The cost is around $300 for the labor and oil with the total cost being $600 or more with the addition of premium filters and other fluids. The cost can also vary with the size of the engine and if synthetic oil is used. It is less expensive to get an oil change than to pay to repair the engine if the oil system is neglected. It is important to get the oil change to prevent more costly repairs.

Is synthetic oil better in heavy-duty trucks?

Yes, it is a better choice. Different types of oil have different ways of coping with different temperature changes. In the case of heavy duty trucks, Synthetic oils are better because they can withstand various temperature changes. In cooler climates, Synthetic oil can help start up the engine. Synthetic oils also allow for longer oil changes, but this interval is still determined by how the engine is used. It is better to have oil analysis done to check the oil quality to help determine when to change the oil.

Location: 681 Pepper Dr, Bakersfield, CA 93307, USA

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