Engine manufacturer Cummins (NYSE: CMI) fell short of the market’s revenue expectations in Q3 2026, but sales rose 13.5% year on year to $9.44 billion. Its non-GAAP profit of $8.25 per share was 0.7% above analysts’ consensus estimates.

Is now the time to buy CMI? Find out in our full research report (it’s free for active Edge members).

StockStory’s take

Cummins delivered third quarter results that disappointed Wall Street’s revenue expectations, triggering a negative market reaction. Management attributed the shortfall to a combination of ongoing supply chain constraints in its Power Systems segment and weaker-than-anticipated demand for North American pickup truck engines. CEO Jennifer Rumsey highlighted that robust demand for data center power solutions and heavy-duty truck engines partially offset these headwinds, stating, "order intake in the third quarter exceeded what we thought it would be," but bottlenecks limited shipments, especially in Power Systems and Distribution.

Looking forward, management’s guidance is built on continued strength in power generation—especially driven by data center customers in North America, China, and Asia-Pacific. The company expects to recover most delayed shipments in the next quarter and is expanding manufacturing capacity for future demand. However, CEO Jennifer Rumsey cautioned that uncertainty around EPA regulations and elevated diesel prices could moderate pickup truck engine sales, while CFO Mark Smith flagged that supply chain and regulatory factors will impact the pace of new product transitions.

Key insights from management’s remarks

Management pointed to strong data center-related orders, supply chain challenges, and evolving regulatory dynamics as key themes shaping the quarter's performance and their updated outlook.

• Data center power demand: Cummins saw exceptionally strong demand for power generation equipment from data center operators, with multi-year orders extending into 2028. This trend is global, with accelerated growth in China and the Asia-Pacific region, not just North America.
• Supply chain bottlenecks: Delays from a key supplier in Power Systems constrained shipments, resulting in lower-than-anticipated revenues in that segment and Distribution. Management expects these issues to be largely resolved in the next quarter, allowing delayed deliveries to catch up.
• North American truck uncertainty: Weaker-than-expected demand for pickup truck engines was attributed to elevated diesel prices and interest rates, as well as regulatory uncertainty surrounding upcoming EPA emissions rules. Customers are delaying some purchases as they await clarity on Non-Conformance Penalties (NCPs) and the phased transition to 2027-compliant products.
• Product launches and feedback: Cummins completed the "Forever Rising Tour," showcasing its upcoming X15, X10, and natural gas X15N engines to customers. Feedback was positive, particularly regarding reliability and drivability, supporting confidence in the 2027 product launch schedule.
• Investment in capacity and new technologies: The company opened a new manufacturing facility for cooling systems and is expanding production to meet rising demand, especially for smaller generator sets. This includes investment in battery energy storage systems (BESS) for data centers, marking Cummins’ largest deployment to date.

Drivers of future performance

Management’s outlook centers on fulfilling strong data center power demand, navigating regulatory transitions, and scaling production capacity while managing persistent supply constraints.

• Data center and power generation growth: The company expects sustained global demand for data center backup and prime power solutions, driving investment in additional manufacturing capacity and product development. This is likely to support higher Power Systems and Distribution revenues, though timing of shipments may vary by region.
• EPA regulatory changes and product transitions: The phased adoption of new EPA emissions standards in the U.S. creates ongoing uncertainty for medium- and heavy-duty truck engine sales. Management is working closely with customers but expects some purchasing decisions to be delayed, impacting North American engine volumes. The transition to new X10 and X15 platforms is a focal point for 2027 and beyond.
• Margin and cost dynamics: While operating margins improved year-over-year, management noted creeping cost pressures from freight and materials. Variable compensation is also trending higher in line with profitability. Price-cost dynamics may present minor headwinds, but Cummins expects margin stability as higher-value products and aftermarket services gain traction.

Catalysts in upcoming quarters

The StockStory team will be watching (1) whether Cummins recovers delayed Power Systems and Distribution shipments as planned, (2) the pace at which the company ramps up capacity and launches new X-series engines, and (3) how regulatory developments—especially around EPA emissions and NCPs—impact North American truck engine demand. Progress in expanding battery energy storage deployments and continued growth in data center-related orders will also be key signposts.

Cummins currently trades at $448.19, down from $472.01 just before the earnings. At this price, is it a buy or sell? Find out in our full research report (it’s free).

Now could be the perfect time to invest in these stocks

ONE MORE THING: Top 6 Stocks for This Week. This market is separating quality stocks from expensive ones fast. AI is taking down whole sectors with no warning. In a rotation this fast, you need more than a list of good companies.

Our AI system flagged Palantir before it ran 1,662% between October 2022 and February 2026. AppLovin before it ran 753% between February 2024 and February 2026. Nvidia before it ran 1,178% between January 2023 and February 2026. Each week it produces 6 new names that pass the same tests. Get Our Top 6 Stocks for Free HERE.

Stocks that have made our list include now familiar names such as Nvidia (+1,460% between June 2020 and June 2025) as well as under-the-radar businesses like the once-small-cap company Comfort Systems (+1,154% between June 2020 and June 2025). Find your next big winner with StockStory today.