Description: 3406B 400 HP, BrakeSaver-Retarder, RTO15715, 12k Front, 44k Rears, 4:33 Ratio, Air Susp., 100 Gallon Fuel Tank, Dual Air Cleaners, Dual Horns, Chrome Bumper, New 4,000 Gallon Water System 2004, Front-Rear and Left Side Spray, Hose Reel.