Safeguard Fuel. Protect Operations. Diesel Tank Cleaning.
Fuel Contaminants Skyrocket Potential Risks for Your Operations

What We Do
Our Fleet Core Advantage: Built For Colorado Businesses

Fleet Core combines local expertise with deep, owner-operator commitment to customer-focused service, ensuring businesses across the Rockies are always fueled for success. From our reliable emergency response capabilities to custom solutions for diverse industries, we consistently earn the trust of Colorado’s growing industries.
Fleet Core’s Diesel Tank Cleaning Services eliminate fuel health and performance risks, restoring clean, compliant fuel, and ensure your critical systems run smoothly every day. With Fleet Core, you’re not just cleaning tanks — you’re investing to protect uptime, extend equipment life, and achieve long-term operational stability.
Our Service Offering
Fleet Core’s Diesel Tank Cleaning Process
With industry-leading tools and a proven 4-Step Cleaning Process, Fleet Core delivers unmatched service every time:

Inspect
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Inspect
Our expert team evaluates sediment levels, contamination risks, and tank integrity. Comprehensive fuel testing identifies actionable concerns before issues escalate.

Filter
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Filter
- Sludge and Microbial Removal: using a multi-stage cleaning process, our advanced equipment clears debris, algae, and sludge buildup.
- Water Separation: prevent corrosion with precise removal of trapped water.

Protect
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Protect
Reclaim usable fuel by filtering impurities and restoring clean, high-quality reserves.

Certify
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Certify
After cleaning, you receive thorough documentation certifying your tank complies with fuel storage and environmental regulations.
How Often Should Diesel Tanks Be Cleaned?
Maintaining tank cleanliness is crucial to maximizing fuel performance and equipment reliability. Fleet Core recommends:
- Annual Cleaning: For high-use systems like backup generators and fleets.
- Every 2–3 Years: For long-term storage under controlled conditions. Speak with our team for a customized tank cleaning schedule based on your fuel usage and operational demands.

Why Choose Us
Why You Should Choose Fleet Core’s Diesel Tank Cleaning?

The Risks of Ignoring Your Diesel Tanks
Without regular maintenance, storage tanks accumulate water, sludge, and microbial growth, putting you at risk of:
- Costly Operational Failures: contaminated fuel damages engines, clogs filters, and reduces performance.
- Environmental Fines and Compliance Risks: leaks or unmaintained tanks violate regulations and jeopardize your reputation.
- Shortened Equipment Life: corrosive contaminants wear down components, leading to unexpected repairs and significant unplanned costs.

What Tank Cleaning Delivers
- Reliable Systems: keep operations running smoothly with clean, efficient fuel.
- Cost Savings: prevent breakdowns, reduce emergency maintenance, and optimize equipment performance.
- Regulatory Peace of Mind: stay compliant with environmental standards and avoid penalties.
Who We Serve
Your Operations Matter: Here’s How We Help With Diesel Tank Cleaning
Fleet Core custom-tailors diesel tank cleaning to meet the needs of key industry professionals across Colorado.

Facilities Management
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Facilities Management
Keep Power Online in Critical Moments
Backup generators cannot afford compromised fuel. Fleet Core ensures your emergency systems are always ready, protecting against failures during power outages or generator tests.

Environmental Compliance Management
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Environmental Compliance Management
Achieve Total Regulatory Compliance
Avoid costly penalties with tank cleaning services designed to meet eco-standards. Our process ensures environmentally responsible waste handling, giving you full confidence in your compliance.

Fleet Management
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Fleet Management
Protect Uptime for Fleets
Contaminated fuel leads to downtime and disrupted schedules. Fleet Core keeps your fuel systems clean, so your vehicles stay on the road and revenue stays steady.

Construction Site Management
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Construction Site Management
Prevent Project Delays
Dirty tanks damage equipment and derail timelines. Fleet Core ensures your heavy machinery operates reliably under demanding conditions.