The Rokbak RA30 Is A Rugged Articulated Hauler Designed For Heavy Duty Hauling In Demanding Jobsite Conditions, With A Maximum Payload Of Approximately 61,729 Lb And A Heaped Body Capacity Of About 22.9 Yd³. It Is Powered By A Scania DC9 Five Cylinder Inline Turbocharged Diesel Engine With Air To Air Charge Cooling And Electronic Engine Management, Producing Roughly 370 Hp Gross At 1,800 Rpm And Delivering Maximum Torque Of About 1,387 Lb Ft At 1,400 Rpm. Power Is Transferred Through A ZF Fully Automatic Transmission With Manual Override And Integrated Retarder, Offering Eight Forward Speeds And Multiple Reverse Ratios, Allowing A Top Travel Speed Of Approximately 34 Mph. The Drivetrain Features Permanent Six Wheel Drive With Differential Couplings To Maintain Traction In Soft Or Uneven Terrain. Steering Is Hydrostatic And Power Assisted With Cushioned Cylinders, Providing Up To 45 Degrees Of Articulation In Either Direction And Smooth, Predictable Handling. Suspension Consists Of True Independent Front Suspension With Double Wishbones And Hydraulic Dampers, Paired With Rear Pivoting Balance Beams And Rubber Metal Compression Units To Equalize Loads And Improve Ride Comfort. Standard Tire Size Is 23.5 R25, With Optional Flotation Tires Available. Fuel Capacity Is Approximately 98 Gallons, Supporting Long Operating Shifts, While The Machine’s Overall Dimensions Measure About 32 Ft 6", 9 Ft 5" In Width, And 11 Ft 8" In Height, With An Operating Weight Around 54,260 Lb Depending On Configuration. The RA30 Is Equipped With Oil Cooled Multidisc Brakes, Exhaust Braking With Transmission Retardation, A Tilting Cab For Service Access, And Optional Telematics To Support Productivity, Uptime, And Operator Comfort.