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​​​​​​Cummins values global supplier partners who share Cummins commitment to quality.

To support that end, Cummins has developed and implemented the Cummins Inc.- Supplier Handbook (Customer Specific Requirements) (PDF). The Cummins Inc.- Supplier Handbook (Customer Specific Requirements) (Cummins Inc.-CSRs) contains the minimum quality requirements that a supplier must meet to do business with Cummins. The Cummins Inc.-CSRs applies to all suppliers that provide direct materials to Cummins and any of its subsidiaries, joint ventures, divisions, or affiliates.

The Cummins Inc.-Customer Specific Requirements is aligned with ISO9001:2015 and IATF 16949:2016. All Suppliers to Cummins Inc. must meet the requirements of the Cummins Inc.- Supplier Handbook (Customer Specific Requirements).

Cummins Inc.- Supplier Handbook (Customer Specific Requirements) (English, PDF, 0.5MB)

Applicable ​Cummins Engineering Standards referenced in the Supplier Handbook 

​​(Note:  You will be required to log into the secure side of the Cummins Supplier Portal upon accessing these standards documents.  If you are not a registered supplier on the Cummins Supplier Portal, please click the <Contact Us> button above to request an account through the Supplier Help Desk in coordination with your sourcing manager.)

Cummins Inc. - Customer Specific Requirements Translations:

康明斯公司 - 供应商手册 (客户特定要求)(Chinese, PDF, 0.8MB)

Cummins Inc.-Справочник поставщика (специфические требования клиентов) (Russian, PDF, 0.5MB)

Cummins Inc.-Manuel des Fournisseurs (exigences spécifiques du client) (French, PDF, 0.5MB)

Cummins Inc.-Manual de proveedores (Requisitos específicos del cliente) (Portuguese, PDF, 0.5MB)

Cummins Inc.-Handbuch für Lieferanten (kundenspezifische Anforderungen) (German, PDF, 0.5MB)

Cummins Inc -Manual do Fornecedor (Requisitos Específicos do Cliente) (Spanish, PDF, 0.5MB)


Six Sigma

What is Six Sigma?

The term "Six Sigma" means more than a statistical measure of predicted defects. At Cummins Inc., Six Sigma is really the banner for committed implementation of a focused business improvement program. Through aggressive application of this methodology, we have been able to solve business issues that have resisted solutions for years.

Why do we teach Six Sigma to our supply base?

  • A large percentage of our service and product cost is with our supply base, presenting opportunities for cost and quality improvements.
  • Since we have proven that Six Sigma works for cost reduction and quality improvement within Cummins, we also expect the same results within our supply base.
  • Six Sigma enables us to speak a common language with our suppliers with regard to improvement efforts.
  • Cummins values the Six Sigma approach and knows the benefits of doing business with Six Sigma Companies.

To Initiate a Project & Sign up for Training

  • Work with your contacts at Cummins to identify a project that will support the improvement of key performance indicators or reduce cost for Cummins.
  • Work jointly with Cummins to identify a Supplier belt and a Cummins co-belt. The Cummins co-belt and Purchasing Representative will draft the project charter and submit it for approval.
  • Upon charter approval, the Cummins co-belt will schedule training by providing the Supplier contact information & link to project charter to the Cummins Master Black Belt.

View the Supplier Six Sigma Reference Guide (PDF, 574KB) at Cummins to learn more.

To learn more about Six Sigma, Cummins recommends the following links:
www.asq.org
www.sbtionline.com
www.isixsigma.com
www.minitab.com

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Supplier Quality