What is the maximum grade ability?

The maximum grade ability is 34% without vibration.

What is the operating weight?

The operating weight is 22,000 kg.

What is the engine rated power?

The engine rated power is 140 kW.

Sem Brand 22 Ton Walk Behind Roller Compactor Sem522

Name: Sem Brand 22 Ton Walk Behind Roller Compactor Sem522
Brand: Maxizm Construction Machinery (Qingdao) Co., Ltd.
SKU: 1900031065

Shandong, ChinaMaxizm Construction Machinery (Qingdao) Co., Ltd.

US$56,600.00

1-2 Pieces

US$54,600.00

3+ Pieces

Product profile

Customization

Available

Type

Road Roller

Working Method

Vibration

Model NO.

ZL50GN/LW300KN/LW300FN/QY50KA

Axle

Biaxial Dual-Drum

Grinding Wheel Type

Slot Grind

Compaction Depth

40cm

Engine Type

Diesel Engine

Travel Speed

40cm/s

Centrifugal Force

40KN

Certification

CE, ISO 9001:2000, ISO 9001:2008

Condition

New

Std Rated Power-Gross

140kw

Max. Grade Ability W/O Vibbration

34%

Tire Pressure Setting

0.35MPa

Engine

Wp6g175e301

Operating Mass

22000kg

Transport Package

Node Package

Specification

6250*2350*3125 mm

Trademark

SEM

Origin

China Shandong

HS Code

8401200000

Production Capacity

1000

Key features

Extended System Life: Eccentric vibe pod design extends system life by 50% and reduces motor impact.

High Efficiency Hydraulics: Closed center hydraulic system improves efficiency by 20% and reduces oil contamination.

Enhanced Traction: Proportional Torque differential (PTD) axle improves traction with 34% grade ability.

Thicker Drum Design: 50mm thick drum provides 10%-15% better compaction performance than competitors.

Premium Components: Utilizes imported piston pumps, motors, and high-reliability hoses for durability.

Operator Comfort: Electronically controlled transmission reduces fatigue with easier shifting.

Easy Maintenance: Tiltable cab provides convenient access to pump, transmission, and electronic components.

Company profile

Importers and ExportersLow MOQCustomization from DesignsQuality Assurance

Maxizm Construction Machinery (Qingdao) Co., Ltd.

Shandong, China

Business Type: Trading CompanyExport Year: 2008-09-18Nearest Port: Shanghai, Qingdao, GuangdongAverage Response Time: ≤7.46hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a Qingdao-based limited trading company with 28 employees, cooperating with factories rather than presenting a listed factory address. It offers road rollers and skid steer loaders, reports customization from customer designs, and exports 90% of total sales across multiple global regions. ISO 9000 and ISO 9001 are reported. Production-related information includes 50 R&D engineers, 50 quality-control staff, and annual wheel-loader output of 2,000 pieces, although the relationship between these figures and the trading company is not clarified. The supplier lacks stated in-stock, overseas warehouse, overseas showroom, overseas agent or branch, and SDK capabilities, and reports no new products in the past year. Financial records are identified for 2021–2023, but no assessable financial results are provided. Customer cases are not specifically documented.

Supplier typeThe supplier is a limited company categorized as a trading company, located in Shinan District, Qingdao. Its stated factory location is an office address, and it says it cooperates with factories, indicating an intermediary/trading role rather than clearly verified direct manufacturing ownership.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 certification. The slice does not provide certificate numbers, validity dates, issuing bodies, or scope, but it is explicit evidence of reported certification holding.

After-Sales capabilityThe supplier reports no in-stock service capacity, no overseas warehouse or showroom, no overseas agents or branches, and service coverage in zero countries. It accepts several quotation and payment terms, but the stated lack of overseas service infrastructure is a real limitation for after-sales support.

R&D capabilityThe supplier reports 50 total R&D-engineer experience units, but also states that it had no new products in the past year, provides no ODM service, no SDK, and no OEM service for popular brands. The explicit absence of recent product development and related technical offerings indicates weak innovation capability.

Customization capabilityThe supplier explicitly reports customization from customer designs, supporting basic design-based customization. However, it reports no ODM service and no SDK availability, so broader product-development or platform-level customization is not demonstrated.