
DPF Cleaning, Fleet Emissions & Maintenance
COMPREHENSIVE Fleet Service SOLUTIONS TO KEEP YOUR FLEET COMPLIANT & ON THE ROAD
Clean Diesel Specialists delivers Cummins-approved DPF cleaning, emissions system service, and fleet maintenance through our nationwide affiliate network. Explore each service below and find a CDS location to schedule.
What We Do
We provide tailored support throughout the entire lifecycle of your fleet, ensuring optimal performance, compliance, and reliability every step of the way.
Diesel Emissions System Services
DPF / DOC Cleaning & Regeneration
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8-step process restores Diesel Particulate Filters (DPF) and Diesel Oxidation Catalysts (DOC)
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Removes soot and ash to improve airflow and reduce backpressure
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Flow tested after cleaning to confirm restored performance
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Includes gaskets and clamps for fast, leak-free reinstallation
Fleet-Wide Emissions Support
Full-service capabilities to keep your fleet compliant and on the road.
90%+ success rate with oil-soaked filters
Repair cracked retaining rings and bent filter flanges
Filter change programs customized for your fleet
24-hour turnaround in most markets
TMC-approved cleaning and OEM-level testing protocols
Filter & bung repair to restore sealing surfaces
Free pickup & delivery in select areas
All services powered by Cummins-approved Enviromotive equipment
Request An Emissions Service
Fleet Maintenance Services
Oil & Fluid
Services
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Routine oil changes using top-tier products
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Coolant, transmission, and hydraulic fluid checks
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Keeps engines running smoothly and reduces wear
Preventive
Maintenance
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Scheduled inspections and services
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DOT compliance, safety checks, and minor repairs
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Reduces unexpected breakdowns and extends vehicle life
Welding &
Fabrication
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Structural repairs for body panels, mounts, and brackets
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Performed by experienced welders using durable materials
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Ensures long-term safety and structural reliability
Electrical
Diagnostics & Repairs
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Full wiring inspections, repairs, and component replacements
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Covers lighting, sensors, fuses, and starter systems
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Helps prevent electrical failure and maintains safety standards
Lighting System Maintenance
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Headlights, turn signals, and brake lights
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Ensures all lighting is functional and DOT-compliant
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Enhances driver visibility and vehicle safety
DOT
Inspections
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Pre-trip and annual inspections available
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Comprehensive reviews of brakes, tires, lighting, and more
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Ensures fleet stays compliant with federal regulations
Request A Fleet Maintenance Service
CARB Compliance Testing Services
EMISSIONS
TESTING
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Smoke opacity & OBD testing for all model years
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On-site or in-shop Clean Truck Check inspections
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Mobile testing available for fleets
REPAIRS
& RECALIBRATIONS
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Address check engine lights & emissions faults
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Perform recalibrations for failed systems
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Restore components to meet CARB specs
FLEET TESTING
& TRACKING
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Scheduled testing & reporting for your fleet
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Paperwork support & portal uploads
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Trusted by major fleets & logistics providers
MOBILE &
ONSITE SERVICE
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Reduce downtime with flexible scheduling
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Ideal for high-volume and remote operations
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All services available at your location or ours
ALTERNATIVE FUEL COMPLIANCE
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Expertise in CNG, propane, and hybrid systems
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CARB-compliant inspections for alt-fuel engines
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Emissions data logging & certification support
CARB-SPECIFIC
EXPERTISE
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Over 15 years of CARB regulatory experience
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Clean Truck Check specialists
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Fast turnaround, accurate reporting
Schedule a CARB Compliance Test
Catalyst & Mobile DPF Cleaning Services in the United States
We deliver expert Catalyst Service in United States fleets rely on to stay moving. Our hands-on Catalyst cleaning service restores airflow, cuts back pressure, and protects your emissions system from costly failure. No guesswork. Just tested results.
Need fast support on-site? Our Mobile DPF cleaning service comes to you. Yard, depot, jobsite. We handle complete Dpf Filter Service with precision tools and proven methods.
What you get:
• Deep thermal and pneumatic cleaning
• Flow testing and inspection
• Quick turnaround times
• Fleet pricing options
Keep trucks compliant. Keep revenue rolling. Book service today.
Why Choose Clean Diesel Specialists
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CUMMINS APPROVED PROCESS
Our technicians follow Cummins-approved procedures using certified equipment to deliver the highest level of emissions system care. Every cleaning, inspection, and test meets OEM and regulatory standards.
02
EXPERT Fleet SUPPORT
With years of experience, our emissions specialists help you navigate complex compliance requirements, streamline service scheduling, and keep your fleet running reliably with minimal downtime.
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