QINGONG YZ20H-I Vibratory Roller Single Drum Road Roller

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YZ20H-I vibratory roller is a super heavy-duty vibratory roller, which is mainly suited for compacting job of base course and sub-base course for large-scale earthwork and roadwork.

1. The roller adopts fully-hydraulic articulated steering, full hydraulic double drum driving and hydraulic drum vibrator.

2. Double variable frequency for different soil and layer depth.

3. Imported engine pump, motor vibrator bearing, which ensure the reliability of the roller.

4. The optimize design for frame and machine cover, for convenient operation and maintenance.

5. The 3-stage shock absorbing system, well-sealed and sound-proof cab, and the driving cab is in conformity with human engineering.

TECHNICAL SPECIFICATIONS
Model	YZ20H-I
Operating mass	20000
Static linear load	578
Drum (diameter × width) ( mm )	1600 × 2130
Traveling speed ( km/h )	(1)0 ~ 4.48 (2)0 ~ 6.3 (3)0 ~ 6.6 (4)0 ~ 11
Vibrating frequency ( Hz )	28/35
Nominal amplitude ( mm )	1.8/0.9
Centrifugal force ( kN )	374/280
Grade ability ( % )	45
Engine model Rated power/speed(DIN6271) ( kW/r.p.m )	D6114 140/2200
Total size(L × B × H) ( mm )	6275 × 2390 × 3066

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QINGONG YZ20H-I Vibratory Roller Single Drum Road Roller