About Co-mach

CO-MACH Overview

CO-MACH POWER COMPANY LIMITED has been established in Dongfeng- one of the largest Automobile manufacturing plant in China. CO-MACH is specialized in building & distributing Mechanical & Electronic engines: Cummins 4B3.3, 4B3.9, 6B5.9, 6C8.3, 6L8.9, L10, M11, NT855, K19, K38, QSB4.5, QSB6.7, ISL, QSL, QSM11, Komatsu 4D95, 6D102, 6D114 etc.

Meanwhile CO-MACH distributes the Overstocked New Original Engine Assemblies and diesel engine parts like Fuel Pumps, Fuel Injectors, Turbochargers, Filters, Starters, Alternators, Gaskets etc. With distributors and partners worldwide, CO-MACH has delivered over 500 assembly engines and engine parts which is valued over $2 million to a wide range of customers and industries around the world, over 50 countries and regions, including Russia, India, Philippines, Indonesia, Malaysia, Australia, UAE, Spain, USA, Brazil, Cuba, Venezuela, Paraguay etc.

CO-MACH Engines Co., Ltd. provides high-quality products and reliable services, embodying our company’s commitment to strive for excellence. It is our goal to be a reliable supplier and exporter of diesel engines & spares, which reach the highest level of technical complexity and quality for both global and domestic markets.

CO-MACH has earned a global reputation built on the foundations of trust, service, innovation, and quality. We continuously spread our reputation all over the world.

Our professional teams are the full passion for providing full advisory support. We will provide an individual approach to each client, we will guide you through every step. Looking froward to start the cooperation and build up the long-term & win-win cooperation relationship with your esteemed company.

Mission and Goals

CO-MACH POWER COMPANY LIMITED epitomizes the values of “Reputation, Management, Innovation.”


To maintain long-lasting relationships with our clients, CO-MACH strives to provide the best customer service from the production through to after-sales feedback. Our mission remains to ensure our clients receive all the necessary support.


To lead and influence the market, CO-MACH exemplifies enhanced leadership shaping every aspect of our corporate behavior and ethics. We are continuously improving our operational format in order to address dynamic consumer and market demands.


To provide our clients with the premium machines, we keep focusing on technology, processes, and products. We are always researching the latest technology to improve the machine quality and the performance, and our manufacturing processes. We strive to implement the latest methods in the process of analysis and design, always challenging ourselves to excel as an innovation-driven company.

From our standard models offering aluminum ladder machines and riveting machines, to our build-to-order products and custom solutions, Co-mach has the ability to provide you with a totally unified solution for virtually any of your product challenges. Whether your shop is new to products manufacturing, or millions of producing each year, our solution oriented approach will ensure that you get the correct system for your needs.

What do you Supply?

We supply the Remanufactured Engines, Overstocked New Original Engines and Diesel Engine Spares.

  1. Remanufactured Engines include: Cummins 4B3.3, 4B3.9, 6B5.9, 6C8.3, 6L8.9, Komatsu 4D95, 6D102, 6D114, Cummins L10, M11, NT855, K19, K38, QSB6.7, QSL8.9, QSM11 …
  2. Overstocked Engines include: Cummins QSB4.5, QSB6.7, QSL8.9, QSM11, QSX15, WEICHAI, YUCHAI, DEUTZ, CNHTC, SAHNGCHAI, CHANGCHAI, SIDA, ISUZU Engines …
  3. Fuel System Parts covering the following brands: CHONGQING (CCQFSC/CCFSC), WEIFU, BYC(ASIMCO), LONGBENG, BOSCH, CUMMINS, ZEXEL, DENSO …
  6. Other diesel engine parts: Starter(starting motor), Alternator, Overhauling Gaskets, Aftercooler Cores, L.O Cooler Cores, Starting Motors, Alternators, Accessory Drive, Belt Tensioners, pistons, bearings, rings, liners …

How many days for manufacturing time you need?

3-7 days if the Chinese Model engines and products, 20 days if customized solutions.

Do you ship overseas, what if customers have no importing license at local?

Yes, we’ll ship your package anywhere that can accept deliveries. We can arrange our cooperated company to help you do custom clearance at local.

Which Trade Term can you offer?

Regarding to the trade terms, we offer the most popular ones:

  1. FOB: Free On Board
  2. EXW
  3. C&F: Cost + Freight
  4. CIF: Cost + Insurance + Freight

What is your payment terms?

  • For small amount of payment, the Western Union or RMB(CNY, Chinese Currency) in personal are preferable.
  • For large amount of payment, the T/T (Wire Transfer) will be the first option.

Quality Control System

CO-MACH Engines Co., Ltd. has been verified by ISO9001:2000 Quality System Certification and CE, simultaneously company’s Quality Assurance System is established according to the standards of CE and ISO9001:2000 QSC.

All processes and operations including production designing, material selection, whole machine assembly, operation testing, stores inventory, sales and after-sales service are in accordance with the standards of Quality Assurance System management. The whole production process is closely monitored. In order to ensure the reliability of the equipment, the assurance measures include 24 hours oil assembly testing, 2 hours running inspection before shipment.