2026 MACK, MD6, Medium Duty Trucks - Service Trucks / Utility Trucks / Mechanic Trucks, CUMMINS ISB6.7, Automatic, In stock now for immediate delivery! Dominate the Job Site: Introducing the New Mack MD6 Service Truck with Auto Crane 12,000 lb Crane body! Are you tired of equipment breakdowns costing you time and money? Do you need a reliable, powerful, and versatile service truck that anyone on your team can drive? Look no further! TMI Truck & Potomac Truck Center is proud to present the brand-new 2026 Mack MD6 Service Truck, fully equipped with an Auto Crane Titan 60 service body and a commanding 12,000 lb capacity crane in stock and available for immediate deployment! This is the ultimate mobile workshop designed to keep your operations running smoothly, whether you're a: Unleash Unrivaled Performance and Efficiency: The Mack MD6 is engineered for the demanding world of heavy-duty service. This truck boasts a robust chassis and is powered by a 300 HP Cummins ISB engine paired with an Allison 2500 RDS transmission with PTO provisions, ensuring dependable power and smooth operation. Key Features Designed for Your Success: Non-CDL Operation: Maximize your workforce flexibility! This truck is designed to be driven by anyone with a standard driver's license, eliminating the need for specialized CDL training for your operators. 21,000 lb rear axle with differential lock, to get you out of a muddy job site. Mounted on a air ride 21,000 lb rear suspension. Upgraded chrome package: chrome bumper, grill, exterior sun visor and heater power mirrors. 5-Year Emissions Warranty: Drive with peace of mind knowing your investment is protected with a comprehensive 5-year emissions warranty as standard. Auto Crane Titan 60 Service Body: This 11-foot service body is built to last, featuring a patented one-piece 10ga side-pack for increased strength and durability, and an interlocking frame that reduces weight while enhancing rigidity. o Unmatched Durability: With Titan Armor paint and a spray-on bedliner in the bed area, top, and bumper, this truck is protected against the toughest conditions. o Optimized Storage: Enjoy fully adjustable shelving, including specific toolbox configurations, and an RSF oxy-acetylene divider for organized and secure tool storage. LED light strips illuminate every compartment for maximum visibility. o Enhanced Safety: Integrated crane box design transfers load directly to the outriggers, reducing stress on the chassis. Flush-mounted LED stop, tail, and turn lights, along with extra-large grab handles, ensure safety on and off the job site. Auto Crane HC-12S Nexstar Crane: Lift with confidence! This 12,000 lb capacity crane at 6 ft boasts a 60,000 ft-lb rating and extends to 25 ft. o Precision Control: The HC-12S Nexstar crane offers 450 degrees of rotation for easily repositioning loads. o Rapid Deployment: A single hydraulic outrigger on the right side of the crane provides stability and allows for faster setup, increas