Description of Road Roller: A road roller or commonly referred to as a roller compactor, or just roller is a compactor type construction machinery/ construction equipment applied to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Structures of Road Roller YZ12H with Rexroth : 1. Road Roller YZ12H with Rexroth is equipped with DongFeng Cummins engine, 2. Single frequency & Double amplitude and super centrifugal force creates strong compacting effect 3. Rear-wheel hydraulic drive and stepless T/ M. Features of Road Roller YZ12H with Rexroth : 1. Reasonable configuration, reliable performance, and high working efficiency hydraulic components 2.Operator' s station is designed for comfort and safety such as fully-adjustable, suspension-mounted operator' s seat. Applications of Road Roller YZ12H with Rexroth : This Road Roller YZ12H with Rexroth is widely used to compress the surface being rolled to ensure a smooth, even result on the construction site such as road-making, runway of the airport, and building. Specifications of Road Roller YZ12H with Rexroth : Overall Dimension 1 Length 6000mm 2 Width( to outside of wheels) 2300mm 3 Height( To the top of the cab) 3055mm 4 Wheel base 2945mm 5 Tread 1560mm 6 Min. ground clearance 395mm Main Technical Specification 1 Static line force 300N/ cm 2 Dynamic line force 1174 N/ cm 3 Operating weight 12000kg 4 Nominal Amplitude – high – low 1.75mm 0.85mm 5 Centrifugal-Force – high – low 250kN 125kN 6 Total stress force 31500( kg) 7 Static Weight at Drum 6500kg 8 Static Weight at Tires 5500kg 9 Frequency 32Hz 10 Min. turning radius( Outside of rear wheel) 5880mm 11 Drum diameter 1530mm 12 Drum width 2130mm 13 Drum thickness 25mm 14 Traveling speed( Km/ h) Stepless transmission 0~ 12.1 15 Gradient capacity 20% Diesel engine 1 Model Dongfeng Cummins engine 6BT5.9-C150 2 Type Direct injection. Turbocharged. Water cooling 3 Rated output 110 kW 4 Bore and stroke 102X120mm 5 Total exhaust of cylinder 5.9 ( L) 6 Rated speed 2200( r/ min) 7 Max. Torque 580( N.M) 8 Starting type Electric 9 Min. specific fuel consumption 229( g/ Kw.h) 10 Net weight 430( kg) Driving System 1 Model Static Hydraulic stepless driving 2 Type Drive pump + drive motor + reducer 3 Model of drive pump A4VG90HWDL1/ 32R 4 Model of drive motor AA2FM80/ 61W 5 System pressure 40MPa 6 Type of reducer Spur gear parallel shaft constant-mesh 7 Gear ratio of reducer 2.94 Axle and Tire 1 Type of main reducer spiral bevel gear, single stage 2 Gear ratio of main reducer 3.889 3 Type of final reducer Single stage planetary 4 Gear of ratio of final reducer 4.941 5 Gear ratios 19.2155 6 Size of tire 23.1-26-12PR Working Device Hydraulic System 1 Model of tandem pump( vibrating + steering) HP051B498BIJM20-7BRAB06-1 2 Vibrating hydraulic system pressure 160( kgf/ cm2) 3 Model of oil motor HM051A878BEP020-7 4 Solenoid vibratory valve ZF250B Steering System 1 Type Middle articulated frame. Full-hydraulic Steering 3 Model of redirector BZZ1-E500C 4 System pressure 12MPa 5 Dimension of steering cylinder $ 90* 45* 280( mm) Brake System 1 Type of traveling brake Single chamber brake valve Caplier disc brake Air over oil activate rear axle 2 Air pressure 6-8( kgf/ cm2) 3 Type of parking brake Hand brake Flexible shaft control clamp brake Oil Capacity 1 Fuel( diesel) 250 ( L) 2 Engine lubricating oil 15 ( L) 3 Oil for gear box 2.2( L) 4 Oil for hydraulic system 200 ( L) 5 driving axles( R) Oil for main reducer 18( L) Oil for final reducer 2X3( L) 6 Oil for brake system 1.5( L) 7 Oil for vibrating drum 2X37.5( L)