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single drum roller 20t, Static linear load (N/cm):435, Vibratory road roller:20000kgs, Vibration frequency:28Hz - details see: https://www.machineto.com/lonking-20t-mechanically-driven-vibratory-road-roller-10121700

Mechanically Driven vibratory Road Roller specifications
Model	LG520A
Operating weight (kg)	20000
Length×Width×Height (mm)	6145×2300×3400
Weight burden on front drum (kg)	9500
Weight burden on rear wheel (kg)	10500
Static linear load (N/cm)	435
Min. turning radius (mm)	6300
Travel speed (km/h)	2.5/5.3/8.6
Grade ability (%)	30
Vibration frequency (Hz)	28
Nominal amplitude (mm)	1.9/1.0
Centrifugal force (kN)	351/200
Engine model	D6114ZG2B
Min. fuel consumption (g/kw*h)	223
Rated power (kw/RPM*r/min)	128/2000
Fuel tank capacity (L)	280
Vibration pump	Imported variable piston type
Vibration motor	Imported variable piston type
Steering model	Hydraulic steering
Axle type	Middle reduce+wheel hub
Tyre	23.1-26 12PR
Service brake type	Air-over-oil disc brake on rear axle
Parking brake type	Manual operated brake on transmission
Hydraulic oil tank capacity (L)	180
A/C model	TY40A
A/C Refrigerating capacity (W)	4600

1. LG520A is mechanically driven and single drum roller , it uses one frequency, two amplitude and close-looped hydraulic vibration system with Rexroth hydraulic components
2. The drum is made of high strength material which is wear-resistant and impress-resistant
3. Wide-view cab and tiltable steering column are designed with ergonomics
4. Both hand brake and foot brake are available for the safety
5. Engine hood is opened with manually operated oil cylinder for easy maintenance
6. Air conditioning and heating system provide better environment for operator

Single Drum