What is the warranty or quality guarantee?

We adhere to ISO9001:2015 standards and perform 100% inspection (visual and function) on finished products.

What payment methods do you accept?

We accept LC, T/T, PayPal, Western Union, and small-amount payments for your convenience.

What is the gross weight of the package?

The gross weight is approximately 300kgs to 450kgs depending on the specific configuration and packaging.

Wholesale OEM Long Block 4b3.9 4bt3.9 4BTA3.9 Basic Dongfeng Machinery Engine Block for Cummins

Name: Wholesale OEM Long Block 4b3.9 4bt3.9 4BTA3.9 Basic Dongfeng Machinery Engine Block for Cummins
Brand: Xiangyang Jiukangda Machinery Power Co., Ltd.
SKU: 1977909151

Hubei, ChinaXiangyang Jiukangda Machinery Power Co., Ltd.

US$1,500.00-1,800.00

1 set

Product profile

Customization

Available

Body Material

Iron

Cold Style

Water-Cooled

Model NO.

4B3.9

Displacement

3.9L

Emission Standard

Tier2

Engine Type

Inline Engine

Number of Cylinders

Four Cylinder

Start

Kick Start

G.W.

450kgs

MOQ

1PC

Rated Power/Speed

93/2500

Application

Truck, Bus Vehicle

Condition

100%New/Renew/Used/Surplus

Place of Origin

Xiangyang City,Hubei Province,China

Delivery Time

7-15days After Order Confirmed

Product Name

Machinery Motor Diesel Engine Assembly 4b3.9

Package

Wood Case

Transport Package

by Sea, by Land, by Air

Specification

1.24cbm

Trademark

DCEC, CUM

Origin

China

Production Capacity

10000sets/Year

Key features

OEM Quality Assembly: DCEC authorized manufacturer providing OEM assembly quality long block engines.

Wide Application Scope: Suitable for trucks, buses, construction, mining, and agricultural machinery.

Flexible Customization: Offers full customization, minor customization, and design-based customization options.

Low MOQ Support: Minimum order quantity is just 1 piece, supporting small batch purchases.

Multiple Condition Options: Available in 100% New, Renew, Used, and Surplus conditions to meet budget needs.

Fast Delivery Time: Delivery within 7-15 days after order confirmation for efficient supply chain.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 system with 100% finished product inspection.

Proven Manufacturer: Established in 2009, Hubei High-tech enterprise with strong R&D and technical team.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Xiangyang Jiukangda Machinery Power Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.57h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, service, quality-control, R&D, and export-trade information provided. It holds an ISO9001:2015 certificate, reports traceable raw materials, written inspection procedures, and 100% finished-product inspection, with one quality inspector. Customization ranges from design-based and minor customization to full customization, and the supplier reports ODM service and new products during the past year. It has inventory capacity and one-month average lead times in both peak and off-season periods. However, it reports no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, agents, branches, showroom, or offline trade-show participation, and no cooperation with Fortune 500 companies. Financial information is represented only by years, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier is classified as a combined company and presents information covering manufacturing, service, export trade, quality control, R&D, and sustainable development. This supports classification as a diversified combined supplier rather than a narrowly specialized entity.

CertificationsThe supplier holds an ISO9001:2015 management-system certificate, explicitly reported in both certification-related records. This is direct evidence of certification holding, although no additional certification is stated.

After-Sales capabilityThe supplier reports inventory capability, one-month average lead times in both peak and off-season, written procedures and records for complaint handling and corrective/preventive actions, and multiple quotation terms. However, it has no overseas warehouse, agents or branches, showroom, or overseas service countries, so the evidence supports documented service processes but not broad overseas coverage.

R&D capabilityThe supplier reports one R&D engineer, new products launched during the past year, customization capability, and ODM services. It also reports no available SDK, so the evidence supports product-development and design capability but not software-development support.

Customization capabilityThe supplier explicitly offers customization from designs, minor customization, and full customization, with the same capabilities recorded in both R&D and design-service information. This directly indicates broad customization coverage.

Client casesThe supplier reports no cooperation with Fortune 500 companies and no OEM service for popular brands. Although repeat-buyer preference is stated at 50%~80%, no named customers or verifiable customer cases are provided.