What materials are used for this roller?

The material is 50mn or 40mn2 steel, finished with a smooth surface in black, yellow, or customized colors.

What is the hardness depth of the roller?

The surface hardness is HRC 55-60 with a depth of 8-12mm.

High-Performance Bulldozer Track Roller Bottom Roller Dozer Made with 40mn2 Excavator

Name: High-Performance Bulldozer Track Roller Bottom Roller Dozer Made with 40mn2 Excavator
Brand: Quanzhou Zhongkai Machinery Co., Ltd.
SKU: 1967570551

Fujian, ChinaQuanzhou Zhongkai Machinery Co., Ltd.

US$300.00

1 Piece

US$150.00

2+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

6 Months

Model NO.

We provide all the bulldozer undercarriage parts

Type

Bottom Roller

Application

Bulldozer

Certification

ISO9001: 2000

Condition

New

Occasion

Contrucction, Earthmoving, Mining

Material

50mn, 40mn2

Technology

Forging/Casting

Hardness Depth

8-12mm

Warranty Time

12 Mouths

MOQ

1 PC

Payment Term

30%T/T in Advance, The Balance Before Shipment

Delivery

25-30 Days

Transportation

by Sea

HRC

55-60

Transport Package

Standard Export Wood Pallet

Specification

Standard

Trademark

Z. K. M

Origin

Quanzhou, China

HS Code

8431490000

Production Capacity

100000 Per Month

Key features

Customizable Colors: Available in black, yellow, or customized colors to meet specific needs.

High Hardness Material: Made from 50mn/40mn2 steel with surface hardness HRC 55-60.

Deep Hardening Technology: Forging/casting technology ensures 8-12mm deep hardness layer.

12 Months Warranty: Comprehensive 12-month warranty coverage for peace of mind.

Fast Delivery Options: 25-30 days standard lead time; 0-7 days for stocked items.

ISO9001 Certified: Manufactured under strict ISO9001:2000 quality standards.

Low MOQ Requirement: Minimum order quantity is just 1 PC for flexible purchasing.

Professional QC System: Rigorous multi-stage quality checks ensure safe container loading.

Company profile

R&D CapabilitiesIn-stock CapacityFast DeliveryHigh Repeat Buyers Choice

Quanzhou Zhongkai Machinery Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤2.00h

AI-Powered supplier vetting

SummaryQuanzhou Zhongkai Machinery Co., Ltd. is identified as both a trading company and manufacturer/factory in Fujian, China. It reports broad customization and ODM capabilities, recent new-product activity, OEM service for well-known brands, and production capacity for track rollers, track links, idlers, sprockets, and top rollers. Export sales represent 51%–70%, with markets spanning multiple regions. However, quality assurance and traceability status are unknown, quality-control test equipment is reported as zero, and only one R&D engineer is listed. The supplier has no overseas warehouses, showrooms, agents, or branches, but has attended Bauma China. Financial credibility, certifications, and specific customer cases cannot be adequately verified from the provided information.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, operating as a limited company in Fujian, China. This indicates a combined manufacturing and trading business structure.

After-Sales capabilityThe supplier reports that its technology engineer provides technical support for after-sales service and that it has a clear customer-complaint procedure with follow-up records. However, it has no overseas warehouse, showroom, agent, or branch, which limits documented local service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM service, and an R&D engineer responsible for new product development and technical support. Evidence is limited by the listing of only one R&D engineer and no available SDK; quality-control test equipment is also reported as zero.

Production capacityReported annual output includes 150,000 track rollers, 8,000 track links, 8,000 idlers, 5,000 sprockets, and 5,000 top rollers. The supplier also serves broad export markets and reports 51%–70% of sales from exports, supporting evidence of established production and international supply capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements provide direct evidence of broad customization coverage.

Product Q&A

Q:How can I ensure the part fits my machinery?

Please send us the correct model number, machine serial number, any numbers on the parts themselves, or provide dimensions or drawings.

Q:What are the payment terms?

Generally, 30% deposit T/T in advance, and the balance before shipment.

Q:What is the lead time for delivery?

Standard lead time is 25-30 days FOB Xiamen or any Chinese port. If parts are in stock, delivery time is only 0-7 days.

Q:What kind of packaging do you offer?

We normally use export standard wood pallets. Special requirements can be discussed.

Q:How do you ensure quality control?

We have a perfect system for checking product quality. Our team checks products and manufacturing processes carefully at every stage to ensure safety during container loading.