Dump Spec Engine: Paccar PX-9 – 370 HP, 1250 Torque Transmission: Allison 3000 RDS-P Automatic Axles: Front: Paccar FX-20, 20,000 lb Rear: Dana Spicer DSP41, 40,000 lb with 5.29 Ratio Brakes: Front: Disc Rear: Drum Suspension: Front: Taperleaf, 20,000 lb Rear: Air Trac, 40,000 lb Tires & Wheels: Continental 22.5" – Front: 20 Ply, Rear: 16 Ply Frame: 11 5/8" Steel Frame Rails Fuel Tanks: 80 Gal Cab / Sleeper: Day Cab, 109" BBC, Platinum Charcoal Interior GVWR: 60,000 lbs | WB: 226 Braketype: AIR GrossCombinedWeight: 66000