DYNAPAC CP1200 PNEUMATIC TIRE ROLLER, Operating mass (incl. ROPS) 12,600 lbs, Mass with max. ballast 26,500 lbs, Traction, Transmission Hydrostatic, direct drive motors at rear tires, Speed low mph, Speed high mph, Theor. gradeability 30 %, Speed range 0 - 11,2 mph, Compaction, Rolling width 69 in, Tire overlap 0.5 in, Wheel loads, without ballast 1,323 lbs, Wheel loads, with max. ballast 2,910 lbs, Tire pressure, min 65.27 psi, Tire pressure, max 91.37 psi, Tire type (smooth) 7.50-15, 14 ply, Water spray system, type Pressurized, electric pump, Water spray system, tank capacity 108 gal, Water spray system, spray nozzle one per tire, Number of tires 5 front, 4 rear, Wheel oscillation (°) ±3, Engine, Manufacturer/Model Cummins QSF 2.8 (Tier 4F), Rated power, SAE J1995 74 hp @ 2,200 rpm, Type Water cooled turbo diesel, Fuel tank capacity 57 gal, Electrical system 12 V, Alternative Engine, Manufacturer/Model Cummins QSF 2.8 (Tier 3A), Type Water cooled turbo di