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Keep Your Fleet Moving with Cleaner, More Reliable Fuel.

Lower Maintenance Costs   |   Reduce Downtime   |   Maximize Fleet Efficiency

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Diesel Fuel Additives for Heavy-Duty Fleets

Managing a group of trucks, buses, or a diverse diesel-powered fleet is demanding, and compromised fuel quality and fuel storage systems only make it harder.

Our all-season diesel fuel additive helps keep engines running cleaner and longer, reducing regenerations and breakdowns, extending maintenance intervals, and saving money across your entire fleet.

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The Hidden Costs of Poor Fuel Quality

Every mile counts. When your diesel fuel isn’t optimized, you face costly problems that negatively impact efficiency and reliability.

Cold flow issues in winter

Injector deposits

Water contamination that generates microbial growth

Excess soot & sludge buildup

Compromised lubricity & premature equipment wear

Failing emissions tests

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Measurable Results Backed by Science

Our additive isn’t a quick fix; it’s a proven solution designed for modern diesel engines.

By cleaning and protecting the entire fuel system, we help you extend filter life by up to 25,000 miles, reduce maintenance costs, and keep your trucks on the road where they belong.

Improve engine power & responsiveness.

Maximize fuel efficiency & mileage.

Extend PMI Intervals.

Prevent corrosion & water damage.

Lower emissions & stay compliant.

Reduce regenerations & costly downtime.

Available in Packaging for Tanks of Any Size:

OTP AD 5-gallon pail product image.

5-gallon
pails

OTP AD 2.5-gallon jug product image.

2.5-gallon jugs

Cases of (2)

OTP AD 55-gallon drum product image.

55-gallon
drums

OTP AD 330-gallon tote product image.

275 & 330-gallon totes

>> Bulk delivery available

Our Hands-On Fuel Quality Management

We don’t just sell diesel additives; we partner with fleets to optimize fuel performance through our support team.

OUR THREE CORE SERVICES:

Fuel Testing & Monitoring

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Regularly check fuel quality to prevent problems before they happen.

Custom Formulations

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Adjust additives to match your fleet’s exact needs and local fuel variations.

Ongoing Support

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Work with a dedicated representative who knows your fleet and your business.

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Real-World Results from Fleet Managers

“Before using OPT-AD, our 350HP tractors were performing terribly, and we were changing expensive fuel filters every 20 to 40 hours. Now our fleet has never run better, and we have no fuel-related problems whatsoever.”

 — Eric Martin, Agri-Applicators , Inc.

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Request a FREE Fuel Analysis

Boost Fleet Performance, Extend the Life of Your Equipment, and Protect Your Investment

Our strategically located analytical labs will test your fuel to identify potential issues such as contamination, water, microbial growth, or degradation—which can lead to costly downtime, performance and efficiency issues, and regulatory compliance challenges.

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Keep Your Fleet Running Smoothly Year-Round

Your fleet is one of your company’s most valuable assets. By improving the quality of your fuel, you’ll lower costs, extend the life of your equipment, and ensure your fleet is always ready for the road. Buying the lowest-cost fuel doesn't guarantee you have achieved the lowest operating costs. Ask us why.

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