Authority Fleet Services provides top-tier heavy-duty and medium-duty fleet repair in Long Island, serving commercial operators across Long Island. Our expert technicians specialize in diesel engine repair, hydraulic and electrical diagnostics, brake and suspension service, DOT inspections, and complete fleet maintenance programs built for uptime and compliance. We offer both in-shop repair and fast mobile fleet service for trucks, vans, box trucks, dump trucks, and work vehicles. With advanced tools, diagnostic technology, and a commitment to reliability, we help businesses reduce breakdowns, extend vehicle life, and keep their fleet on the road. Authority Fleet Services is the trusted fleet maintenance company in Long Island for professional, responsive, and high-quality repair solutions.
