If It's Diesel, We Do It.

DIESEL SPECIALISTS, LTD

Serving the Houston area since 1983.

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(281) 446-1230

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If It's Diesel, We Do It.

Call (281)-446-1230

Diesel Fleet Repair, Service & Maintenance in Humble & Houston, TX

Keeping fleets on the road requires timely maintenance, fast repairs, and experienced diesel technicians. Based in Humble, TX, Diesel Specialists Ltd provides full-service diesel fleet service repair, service and maintenance across the greater Houston area. Whether you manage delivery vans or heavy-duty trucks, our certified shop keeps your operation running with minimal downtime.

Rated 4.4/5 stars by 115+ Houston Diesel Owners

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Diesel Engine Sales, Parts & Service You Can Trust

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Diesel Fleet Maintenance Plans

Annual Maintenance Contracts (AMC) - Fixed-schedule service for fleets running consistent duty cycles, built around your actual operating hours. See annual maintenance contracts

Preventive Maintenance Programs - Rolling inspections of fluids, filters, belts, cooling systems, and ECM fault codes for fleets with mixed or unpredictable usage. See preventive maintenance program

Need recurring multi-unit service? Call (281) 446-1230 to learn about volume pricing.

Who We Manage Fleet For

As a trusted fleet maintenance provider, Diesel Specialists offers fleet maintenance management services for fleet operators, including:

Enterprises
Logistics companies
Warehouse fleet
Distributors
Commercial fleet
Construction companies

Utility and Service
Transportation & Trucking companies
Municipal & Government fleet
Industrial distribution
Rental & Leasing fleet

Diesel Fleet Vehicles & Equipment We Service

At Diesel Specialists, we provide complete diesel fleet repair and care for all types of vehicles and equipment.

Tractors and semi-trucks
Box trucks and delivery van
Flatbeds
Dump trucks
Cement mixers
Commercial fleets
Construction companies

Refrigerated (reefer) trucks
Utility and service trucks
Trailers & Buses
Off-highway and construction equipment
Generators (fleet-mounted and stationary backup units)

Need service for your diesel fleet in Houston Tx, Call 281-446-1230 to get started

Common Fleet Issues We Diagnose & Repair

Our skilled diesel mechanics diagnose and repair a wide range of diesel engine problems, including hard starting, power loss, excessive smoke, overheating, fuel system failures, injector issues, turbocharger problems, cooling system faults, and electronic control module (ECM) errors. Also dpf cleaning services for diesel fleets.

We offer both in-shop and on-site fleet repair services to minimise disruptions and get your vehicles back on the road quickly. Our mobile fleet repair and maintenance services delivers expert support at your location.

During engine rebuilds, our fleet diesel mechanics inspect and replace worn internal components to restore performance, improve reliability, and extend engine service life, helping reduce downtime and maximise fleet uptime.

Looking for reliable and best fleet diesel engine repair services in Houston Tx, Call 281-446-1230 to get started.

OEM and Quality Aftermarket Parts for Fleets

High-quality replacement parts are essential for maximizing engine performance, minimizing downtime, and extending engine life. For fleet operators, we stock trusted OEM and aftermarket parts for leading diesel engine manufacturers, including:

Get the diesel engine parts for your fleet fast. Call 281-446-1230 and speak with our team today.

Minimize Fleet Downtime Across the Humble & Houston Area

Diesel Specialists Ltd is based at 1215 Carpenter Rd., Humble, TX 77396, and has served Greater Houston fleets since 1983. We regularly service fleets in Humble, Houston, Spring, The Woodlands, Kingwood, Atascocita, Baytown, and surrounding Harris, Montgomery, Fort Bend, Brazoria, Galveston, Liberty, Chambers, and Waller counties.