CMI vs ETN

Cummins and Eaton Corporation, both Industrials

Eaton Corporation is the larger company at $164B against $99B. On trailing earnings CMI is the cheaper of the two at a P/E of 29.6 against 42.7, a gap that is only a bargain if the two are growing at similar rates. Over the past year CMI returned +54% against +19% for ETN. Ryufin's sector-relative Smart Score puts ETN ahead, 7/10 against 6/10.

Cummins and Eaton Corporationcompared on valuation, return and Ryufin’s Smart Score
FigureCMIETN
Last close$578$420
Market cap$99B$164B
Trailing P/Elower is cheaper for the same earnings, not automatically better29.642.7
Dividend yield1.3%1.0%
1-year return+54%+19%
5-year return+180%+187%
Ryufin Smart Scoresector-relative, 1–106/107/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Cummins

Revenue of $9.5B in Q2 2026, net income $968M. Its largest reported line is DBU Power Generation, 15% of the disclosed total.

Eaton Corporation

Revenue of $8.5B in Q2 2026, net income $821M. Its largest reported line is Electrical Global, 42% of the disclosed total.

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