Road Roller YZ12HD with Rexroth
A road roller is a type of construction machinery/construction equipment applied to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations.
Structures of Road Roller YZ12HD with Rexroth :
1. Road Roller YZ12HD with Rexroth is equipped with DongFeng Cummins engine,
2. Double frequency & Double amplitude and super centrifugal force creates strong compacting effect
3. Rear-wheel hydraulic drive and stepless T/M.
Features of Road Roller YZ12HD 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 YZ12HD with Rexroth :
This Road Roller YZ12HD 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 YZ12HD with Rexroth :
Big centrifugal Force Small centrifugal Force

Overall Dimension
1	Length	6000mm
2	Width(to outside of wheels)	2300mm
3	Height(To the top of the cab)	3055mm
4	Wheel base	2915mm
5	Tread	1560mm
6	Min. ground clearance	360mm
Main Technical Specification
1	Static line force	340N/cm
2	Dynamic line force	1300 N/cm
3	Operating weight	12100kg
4	Low frequency	31HZ	274kN
	High amplitude	1.8mm
	High frequency	35HZ	171kN
	Low amplitude	0.9mm
5	Total stress force	34830(kg)
6	Static Weight at Drum	7000kg
7	Static Weight at Tires	5100kg
8	Min. turning radius(Outside of rear wheel)	5900mm
9	Drum diameter	1530mm
10	Drum width	2100mm
11	Drum thickness	28mm
12	Traveling speed(Km/h),3 forward &3 reverse
	(1) 1st gear (F/R)	04.8
	(2) 2nd gear (F/R)	06.4
	(3) 3rd gear (F/R)	010.6
13	Gradient capacity	40%
Diesel engine
1	Model	Dongfeng Cummins engine 6BT5. 9
2	Type	Vertical, in-line, liquid-cooled and four-stroke engine
3	Rated output	110 kW
4	Total exhaust of cylinder	5.9 (L)
5	Rated speed	2200(r/min)
6	Max. Torque	590(N.M)
7	Starting type	Electric
8	Min. specific fuel consumption	229(g/Kw.h)
9	Net weight	430(kg)
Driving System
1	Model	Hydrostatic travel and vibration drive
2	Type	Drive pump +drive motor + reducer
3	Model of drive pump	A4VG71HWDL1/32R-NAF02F041D-S
4	Model of vibration driving motor +reducer Ratio of reducer	A6VE55E24/63W-VZL027B+GFT26T2 62
5	Model of rear driving motor+ reducer Ratio of reducer	A6VM80EZ4/3W-VAB027B+EM1020/MR 3.08
6	System pressure	38MPa
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	Total ratios	23.2584
6	Size of tire	23.1-26-12PR
Working Device Hydraulic System
1	Model of vibratory pump	A10VG45EZ2DM1/10R-NSC10F013D
2	System pressure	280(kgf/cm2)
3	Model of vibratory motor	A10FM45/52W-VRC60N007
Steering System
1	Type	Middle articulated frame. Full-hydraulic Steering
2	Model of steering pump	AZ-PF-1X/022RRRR20KB
3	Model of redirector	BZZ1-E500C
4	System pressure	15MPa
5	Dimension of steering cylinder	90*45*280(mm)
Brake System
1	Type of traveling brake	In general, traveling brake depend on static hydraulic tow of close-circuit hydraulic system Vibratory reducer with brake which control by a solenoid valve.
2	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 hydraulic system	140(L)
4	Oil for driving axles	24 (L)
5	Oil for vibrating drum	2X56(L)

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