Up-Fitting: Customize trucks by adding specialized equipment or features, such as PTO, hydraulic systems, toolboxes, or custom bodies (e.g., dump beds, flatbeds), based on blueprints, schematics, or customer specifications. Assembly: Install and assemble major truck components such as cranes, axles, and smaller chassis components (toolboxes, chock holders, cone holders, etc.) using hand tools, power tools, and specialized equipment.