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

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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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 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

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

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.

Industry Leading Hi-Rail Equipment

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

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Explore knuckle boom truck-mounted cranes at Custom Truck. Find reliable lifting solutions for your toughest jobs.

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Owning a Freightliner 114SD IMT 40/275 K5 Roofing Knuckleboom Crane Truck with jib offers unmatched capability, reach, and efficiency for roofing and material handling operations. Powered by a 450 HP CARB-compliant Cummins X12 engine with an Allison 6-speed automatic transmission, it delivers strong, reliable performance while meeting strict emissions standards—plus, an emissions warranty is included for added peace of mind. With heavy-duty axles (20,000 lb front, 46,000 lb rear, and a 13,500 lb tag), this truck is built to handle demanding loads. The 22' 6" steel bed includes a bulkhead, 60" aluminum toolbox, and a Kinshofer pallet fork for maximum versatility. The IMT crane features a 72' horizontal reach with five hydraulic extensions in the main boom and three in the jib, making it ideal for placing materials with precision. Radio-controlled hydraulically extendable outriggers, auxiliary stabilizers, wireless remote controls, and continuous rotation provide superior stability and control. FET is included in the price, making this a smart, all-in-one solution for roofing professionals.

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2026 Freightliner 114SD 8x4 IMT 40/275 K5 Knuckleboom Truck

Peterbilt 567 8x4 IMT 40275 K5 Drywall Crane Truck powered by a 455 HP PACCAR MX-13D diesel engine with automatic transmission. Built on a Class 8 chassis with 20,000 lb front axle capacity, 46,000 lb rear axle capacity, and 33,001+ lb GVWR. Features include HX460 suspension, air brakes, PTO options, and a 280" wheelbase. Outfitted with a Load King body and an IMT 40275 K5 drywall crane, this truck is engineered for heavy-duty lifting, material handling, and jobsite efficiency.

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2025 Peterbilt 567 8x4 IMT 40/275 K5 Drywall Crane Truck

This 2025 Freightliner M2 106 Plus with an IMT non-CDL wallboard crane is an efficient, easy-to-staff solution for delivering and placing materials without the cost or complexity of a CDL truck. The Cummins L9 and Allison automatic provide smooth, reliable performance, while the IMT crane’s long reach, full rotation, wireless remote, and fork package allow one operator to safely unload and place wallboard, pallets, and bundled materials with precision. With a lightweight aluminum bed, strong payload capacity within non-CDL limits, and a comfortable, well-equipped cab, this truck helps crews move faster, reduce labor, and take on more profitable jobs without expanding driver requirements.