The Graco LineDriver HD Electric Start Ride-On Attachment (25U474) is a professional-grade, gasoline-powered ride-on system engineered to increase productivity, operator comfort, and maneuverability during demanding pavement marking and surface preparation applications. Powered by a 6.5 HP Vanguard engine with convenient key-operated electric start, this heavy-duty attachment allows contractors to operate compatible walk-behind equipment without continuous walking or manual recoil starting. Its patented adjustable dual foot pedal system provides intuitive forward and reverse control, while the high-back Cool-Comfort seat delivers added support and cushioning throughout extended workdays. The FlexBeam LED lighting system improves visibility in low-light conditions and features a retractable, breakaway design to help prevent damage on busy jobsites. Compatible with select Graco LineLazer, GrindLazer, ThermoLazer, and TapeLazer systems using the appropriate hitch configuration, the LineDriver HD is ideal for pavement striping contractors, municipal maintenance crews, thermoplastic marking specialists, and surface preparation professionals seeking efficient, high-production operation. Available from NMR, your authorized Graco dealer and service center for professional pavement marking equipment, ride-on attachments, replacement parts, and expert support.