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SHANDONG SHANTUI CONSTRUCTION MACHINERY IMP&EXP CO
Vibraory rollers SR20M

Vibraory rollers SR20M

Product catalog summary

Transmission System: The transmission box utilizes ZF technology, offering power-shift with three forward and three reverse gears, steering, and hand brake functions. It is controlled electrically and hydraulically, ensuring reliability and ease of operation.

Steering System: Features an articulated hydraulic steering system.

Brake System: Comprises a two-stage brake system with an emergency gas-push-oil pliers-pan type brake and a drum type hand brake for parking. This dual system enhances safety and reliability.

Gas-Channel Controlled Operation: Both clutch and brake operations are gas-assisted, improving flexibility and reliability.

Vibrating Drum: Incorporates a new structure with Shantui technology, featuring a well-lubricated vibrating bearing with high load capacity and long service life.

Hydraulic System: Maximum oil pressure for the vibratory system is 35 Mpa, and for the steering system, it is 14 Mpa.

Engine Specifications: The engine is a turbocharged, intercooled, in-line, 4-stroke with a rated power of 128 kW at 2000 r/min. It has six cylinders with a bore and stroke of 114 mm x 135 mm, a piston displacement of 8.3 L, and a minimum fuel consumption of 220 g/KW.h. Maximum torque is 672 Nm at 1400 rpm.

Power Transmission System: The travel speed for forward and reverse gears is 2.55 km/h for 1st gear, 5.03 km/h for 2nd gear, and 8.3 km/h for 3rd gear.

Specifications for Models SR20M and SR20MP: Operating weight is 20,000 kg for SR20M and 20,900 kg for SR20MP. The front wheel weight is 10,000 kg for SR20M and 10,600 kg for SR20MP, while the rear wheel weight is 10,000 kg for SR20M and 10,300 kg for SR20MP. The front wheel diameter is Ø1550/Ø1752 mm, compacting width is 2140 mm, exciting force is 355/220 KN, vibrating frequency is 28/32 Hz, and theoretic amplitude is 2.0/1.0 mm for SR20M and 1.6/0.8 mm for SR20MP. Minimum turning radius is 6.1 m, gradeability is 30 degrees, steady load is 453 N/cm, minimum ground clearance is 395 mm, wheelbase is 3140 mm, maximum steering angle is 36 degrees, vertical oscillation is 15 degrees, pad height is 100 mm, and there are 154 pads.

Catalog excerpts

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& Mechanical drive, electrical-controled power shift transmission box Hydraulic vibrating and steering Double vibration frequency and amplitude ,&', Special gas-channel control makes brake and clutch operation more flexible and reliable &'* The operation of power shift and steering are controlled by single lever, which is very flexible, convenient and reliable. :ZF&'* 33&' &'* :& :&' &'* :&'* :&'* &' &'&' HYDRAULIC SYSTEM OVERALL DIMENSION &'* Note:Materials and specificatons are subject to change without notice. Transmission box: Transmission box adopts ZF technology with three functions: power-shift...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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