Whether you're looking for a standard service body or a full crane-equipped unit, Load King by Custom Truck One Source™ delivers dependable modular solutions. Choose from the Voyager® series bodies and Stinger® telescopic cranes, our Load King service trucks are built to serve fleets of all kinds.

Load King Service Trucks - Built to serve

Haul smarter with a dump truck from Custom Truck One Source™. Engineered for strength, balance, and performance, our heavy-duty dump trucks offer power, durability, and reliability for every job.

Heavy Duty Dump Trucks

From waste management to heavy hauling, Custom Truck One Source™ provides coast-to-coast Roll-Off solutions, including Western-spec options built to meet local regulations and your business demands.

Roll-Off Trucks for Every Region

Every tank is built in-house by Load King™, our trusted manufacturing division. From dust control to construction and mining, Custom Truck One Source™ delivers non-potable water trucks built for performance, durability, and efficiency. 

Load King Water Trucks

From your first truck to your next build, Custom Truck Capital™ powers your growth with custom financing, right from the Source. Click below to start your application!

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From non-CDL buckets to high-reach booms and chip bodies, our forestry equipment is trusted by professionals nationwide and powered by Load King™ and Terex®. Backed by coast-to-coast service, flexible rentals, and in-house expertise, we keep your crew working efficiently from canopy to cleanup.

Forestry Equipment You Can Count On

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As North America’s largest Hi-Rail fleet dealer, Custom Truck One Source™ combines nationwide reach with specialized expertise. Whether you’re renting or buying, you’re backed by the Source for rail-ready performance.

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The Peterbilt 537 4x2 Taylor Pump & Lift Fuel / Lube Truck is a versatile and efficient solution for on-site fueling and maintenance needs. Powered by a 330 HP Paccar PX9 engine and equipped with an Allison 3000RDS automatic transmission, it offers reliable performance and smooth operation. With a 12,000 lb front axle and 21,000 lb rear axle, this truck provides excellent load capacity and stability. Its comprehensive setup includes (4) 85-gallon new oil tanks with an air-driven pump system, a 1,000-gallon diesel fuel tank with a 50' metered hose and reel, and a 125-gallon waste oil tank with a pump and reel kit. Additionally, it features a 45-gallon antifreeze tank, a 45-gallon DEF tank with a 50' hose and pump, and a powerful 34 CFM PTO-driven air compressor with a hose reel. The enclosed rear compartment with a roll-up door and ample storage compartments ensure convenient organization and protection of tools and materials. The Peterbilt 537 is an exceptional choice for those seeking a durable, all-in-one mobile service solution.