2002 Mack RD688S Dump Truck

The Mack RD688S is a heavy-duty vocational truck built for demanding construction, refuse, and heavy-haul applications. This model typically features Mack's E7 series diesel engine with ratings from 350 to 460 hp, paired with manual transmissions such as the Maxitorque 10-speed. The RD series is known for its rugged double-frame construction, Camelback suspension, and proven durability in severe-duty cycles. Mack E7 diesel engine series Heavy-duty double-frame construction Camelback rear suspension Vocational-focused axle configurations Proven severe-duty durability Specifications Emissions EPA 2001 Configuration Transmission Maxitorque 10-speed manual Cab Type Day cab Axle Configuration 8x4 Suspension Camelback Brakes Air brakes with engine brake Tire Size 11R22.5 or 11R24.5 GVWR 80,000 lbs Miles 128,144