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 diesel Hydraulic system Service brake Hydrost. braking on drive wheels (rear) Parking/Emergency brake Spring - applied on drive wheels (rear)