| Net sales | 34.1a | 34.07a | 28.07a |
| Cost of sales | -25.66a | -25.82a | -21.36a |
| Gross margin | 8.44a | 8.25a | 6.72a |
| Operating expenses and income | — | — | — |
| Selling, general and administrative expenses | -3.28a | -3.33a | -2.69a |
| Research, development and engineering expenses | -1.46a | -1.5a | -1.28a |
| Equity, royalty and interest income from investees | 0.4a | 0.48a | 0.35a |
| Other operating expense, net | -0.35a | -2.14a | -0.17a |
| Operating income | 3.75a | 1.76a | 2.93a |
| Interest expense | -0.37a | -0.38a | -0.2a |
| Other income, net | 1.52a | 0.24a | 0.09a |
| Income before income taxes | 4.9a | 1.63a | 2.82a |
| Income tax expense | -0.84a | -0.79a | -0.64a |
| Consolidated net income | 4.07a | 0.84a | 2.18a |
| Less: Net income attributable to noncontrolling interests | 0.12a | 0.11a | 0.03a |
| Net income attributable to Cummins Inc. | 3.95a | 0.74a | 2.15a |