What is the vibration frequency and amplitude of this road roller?

The vibration frequency is 28/33Hz, and the nominal amplitude is 2.0/1.2mm.

Does this machine have an energy-saving feature?

Yes, it is equipped with an ECO energy-saving mode that reduces the overall fuel consumption of the machine by 12%.

6620e Vibration Frequency28/33Hz Second Hand Road Roller Liugong Drum Road Roller Price on Sale

Name: 6620e Vibration Frequency28/33Hz Second Hand Road Roller Liugong Drum Road Roller Price on Sale
Brand: Mafal (Jining) Industrial Limited
SKU: 2115702732

Shandong, ChinaMafal (Jining) Industrial Limited

US$31,000.00-63,000.00

1 Piece

Product profile

Customization

Available

Climbing Capacity

0.3

Operating Weight

20 tons

Model NO.

6620E

Travel Speed

10-14 km/h

Usage

Building Construction, Infrastructure Developmen, Road Construction, Soil Compaction, Waste Management

Brand

Liugong

Model No.

6620e

Fuel

Diesel

Package

Nude

Condition

Used

Grinding Wheel Type

Tire Grind

Weight

20000kg

Length

6450 mm

Width

2340mm

Height

3050mm

Power

140kw

Wheelbase

2980 mm

Fuel Capacity

200L

Transport Package

Nude

Specification

20T

Trademark

MAFAL

Origin

China

Production Capacity

1000 Pieces/Year

Key features

High Compaction Efficiency: Fully hydraulic double drive with greater distribution quality for efficient soil compaction.

Extended Component Life: Unique no-impact vibration exciter effectively prolongs the service life of bearings and shafts.

Energy Saving Mode: ECO mode reduces overall fuel consumption by 12% for cost-effective operation.

Flexible Vibration Control: Start and stop vibration flexibly with 28/33Hz frequency and 2.0/1.2mm amplitude.

Fast Delivery Service: Delivery within 10 working days after receiving pre-payment under normal circumstances.

24/7 Technical Support: Professional maintenance team solves most problems within 24 hours with senior technicians.

Competitive Pricing: Large-scale mechanized production reduces costs to ensure highly competitive prices.

Reliable Quality Assurance: Carefully selected regular manufacturers for spare parts and best material adaptation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Mafal (Jining) Industrial Limited

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤7.11h

AI-Powered supplier vetting

SummaryMafal (Jining) Industrial Limited is a China-based trading company established in 2025 with six employees and an affiliated company. Its listed offerings include construction machinery, vehicles, and related equipment, while its registered business scope also covers mechanical equipment, automobiles, integrated circuits, surveillance systems, cables, and other products. The supplier reports OEM service for well-known brands, 90% export sales, and broad customization options. However, it has no available SDK, only one R&D engineer, no new products launched in the past year, and zero stated quality-control testing equipment. Written procedures or records for corrective actions and complaint handling are absent, and quality assurance and traceability statuses are unknown. Audit information identifies CTI as the organization, but the audit evaluation result is recorded as 0. No customer cases or certification holdings are provided.

Supplier typeThe supplier is explicitly identified as a trading company and limited company, established in China in 2025 with six employees. Its offerings cover construction machinery, vehicles, and related mechanical products, indicating a trading and supply role rather than clearly documented manufacturing operations.

After-Sales capabilityThe supplier has no written procedures or records for corrective and preventive actions or effective customer-complaint handling. This is explicit evidence of inadequate documented service processes.

R&D capabilityThe supplier has one R&D engineer, no available SDK, and launched no new products during the past year. These stated limitations indicate weak documented innovation capacity.

Production capacityThe supplier is classified as a trading company with six employees and zero stated quality-control test equipment. Although it offers machinery and vehicle products and its business scope includes some manufacturing-related activities, the slices do not establish sufficient in-house production capability and explicitly show no testing equipment.

Customization capabilityThe supplier reports OEM capability for well-known brands and offers customization from samples, designs, full customization, minor customization, and flexible customization. These statements provide explicit evidence of broad customization support.

Product Q&A

Q:Which countries do you export to?

We export to Asia (Philippines, Vietnam, India, Indonesia, Pakistan, Kazakhstan, Uzbekistan), Europe (Russia, Belarus, Ukraine, Lithuania, Saudi Arabia), and South America (Brazil, Chile, Paraguay, Argentina).

Q:What are your main advantages over other manufacturers?

Our advantages include reliable quality with carefully selected parts, competitive prices due to large-scale production, 24-hour online sales support, and a professional maintenance team that solves most issues within 24 hours.

Q:What payment terms do you accept?

We accept T/T and L/C. For T/T, 30% advance payment is required, with the 70% balance paid before delivery or against the B/L copy. For L/C, we accept 100% irrevocable L/C at sight without soft clauses.

Q:How long is the validity of your quotation?

Our prices remain stable for one year. Adjustments are only made based on USD exchange rate fluctuations or changes in material prices.

Q:What is the lead time for delivery?

Under normal circumstances, we can deliver within 10 working days after receiving the pre-payment. Peak and off-season lead times are within 15 working days.