CMI · CIK 26172
What Cummins Inc. told the SEC could break it.
Trade policy and supply concentration dominate what Cummins flagged. As a global manufacturer it leans on trade relationships with China, Brazil, the EU and UK, so more restrictive tariffs, new barriers and rapidly changing U.S. export controls and sanctions on China could raise production costs and limit its sales and ability to collect — and it single-sources a number of parts and raw materials critical to its operations, where a delivery delay can disrupt multiple plants and where the current tariff environment amplifies the strain. Its growth-market exposure across China, Brazil, India and Mexico adds foreign-exchange controls and currency-devaluation risk, and in Q3 2025 it fully impaired the goodwill of its Accelera electrolyzer business and wrote off inventory totaling $240 million as hydrogen markets deteriorated on reduced government incentives.
4 self-disclosed vulnerabilities, pulled from its own filings — each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Regulatory & policy
- tariffs/trade-policy + China/Brazil/EU/UK; embargoes/sanctions/export controls (esp. China)high
Cummins benefits from trade agreements (USMCA) and U.S. trade relationships with China, Brazil, EU and UK; more restrictive trade policies (higher tariffs, new barriers) could raise production costs and harm customer/supplier relationships, and rapidly changing U.S. export controls and sanctions on China could limit sales and affect its ability to collect.
“Embargoes, sanctions and export control laws are changing rapidly for certain geographies, including with respect to China. In particular, changing U.S. export controls and sanctions on China, as well as other restrictions affecting transactions involving China and Chinese parties, could affect our ability to collect”
Sole-source dependency
- single-source parts/raw materials critical to operations; supply-chain disruption amplified by tariffshigh
Cummins single-sources a number of parts and raw materials critical to its operations; any supplier delivery delay may disrupt multiple manufacturing locations and force it to seek alternative sources, and it continues to experience pockets of supply-chain disruption further impacted by the current global tariff environment, plus raw-material/transport/labor price and supply-shortage exposure.
“We single source a number of parts and raw materials critical to our business operations. Any delay in our suppliers' deliveries may adversely affect our operations at multiple manufacturing locations, forcing us to seek alternative supply sources to avoid serious disruptions.”
SEC filing →As of 2026
Geographic concentration
- emerging-market exposure (China/Brazil/India/Mexico) + FX controls/currency devaluationmedium
Cummins invests in higher-risk countries (China, Brazil, India, Mexico and others in Europe/Middle East/Africa) as part of its growth strategy and faces foreign-exchange controls that may limit currency conversion or dividend remittance, plus currency devaluations that diminish the value of foreign-denominated funds; long-lived assets include $1.0B in China and $0.6B in India.
“We also face risks arising from the imposition of foreign exchange controls and currency devaluations. Foreign exchange controls may limit our ability to convert foreign currencies into U.S. dollars or to remit dividends and other payments by our foreign subsidiaries”
SEC filing →As of 2026
Other disclosures
- Accelera electrolyzer/hydrogen impairment — $240M goodwill + inventory writeoff (Q3 2025) on cut government incentivesmedium
In Q3 2025, due to continued rapid deterioration in electrolyzer and overall hydrogen markets and significant uncertainty in alternative-power markets from reduced government incentives, Cummins fully impaired all goodwill for its Accelera electrolyzer business and wrote off certain inventory, totaling $240 million.
“due to the continued rapid deterioration in our electrolyzer markets and overall hydrogen markets, along with significant uncertainty in the alternative power markets resulting from reductions in government incentives, we fully impaired all of the goodwill for our electrolyzer business and wrote off certain inventory in the third quarter of 2025, totaling $240 million.”
SEC filing →As of 2026
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings — including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its customers
“A loss of supply from Cummins, Eaton, ZF or Magna, and the resulting interruption in the production of trucks, would have a material effect on the Company's results.”
Cited →“Our largest customer is PACCAR, Inc. Worldwide sales to this customer were approximately $ 4.4 billion, $ 5.4 billion and $ 5.5 billion for the years ended December 31, 2025, 2024 and 2023, representing 13 percent, 16 percent and 16 percent, respectively, of our consolidated net sales.”
Cited →“We own 50% of the equity interest in Cummins Clean Fuel Technologies, which manufacturers compressed natural gas fuel systems and related component parts for commercial vehicles at its facility in Roanoke, Texas. The remaining 50% equity interest is owned by a subsidiary of Cummins, Inc.”
Cited →
Its suppliers
Tata Motors Ltd.
“Tata Cummins, Ltd. - Tata Cummins, Ltd. is a joint venture in India with Tata Motors Ltd., the largest automotive company in India and a member of the Tata group of companies.”
Cited →Dongfeng Automotive Co. Ltd. (Dongfeng Motor Corporation)
“(DCEC) is a joint venture in China with Dongfeng Automotive Co. Ltd., a subsidiary of Dongfeng Motor Corporation and one of the largest medium-duty and heavy-duty truck manufacturers in China.”
Cited →Atmus Filtration Technologies Inc.
“We have significant customer concentration, with Cummins, PACCAR and the Traton Group respectively accounting for approximately 18.8% , 16.3% and 11.5% of our net sales for the year ended December 31, 2025.”
Cited →Atmus Filtration Technologies Inc.
“Cummins is Atmus' largest customer and accounted for approximately 17.6% of Atmus' net sales in 2024.”
Cited →
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