CUMMINS INC. AND SUBSIDIARIES BUSINESS UNIT SALES DATA (Unaudited)
Distribution Segment Sales by Product Line Sales for our Distribution segment by product line were as follows:
| | | | | | | | | | | | | | | | | | | | | | 2017 | | | | | | | | | | | In millions | | Q1 | | Q2 | | Q3 | | Q4 | | YTD | Parts | | $ | 745 |
| | $ | 759 |
| | $ | 768 |
| | $ | — |
| | $ | 2,272 |
| Service | | 319 |
| | 320 |
| | 326 |
| | — |
| | 965 |
| Power generation | | 306 |
| | 329 |
| | 317 |
| | — |
| | 952 |
| Engines | | 275 |
| | 314 |
| | 342 |
| | — |
| | 931 |
| Total sales | | $ | 1,645 |
| | $ | 1,722 |
| | $ | 1,753 |
| | $ | — |
| | $ | 5,120 |
| | | | | | | | | | | | 2016 | | | | | | | | | | | In millions | | Q1 | | Q2 | | Q3 | | Q4 | | YTD | Parts | | $ | 648 |
| | $ | 642 |
| | $ | 643 |
| | $ | 694 |
| | $ | 2,627 |
| Service | | 299 |
| | 297 |
| | 299 |
| | 320 |
| | 1,215 |
| Power generation | | 275 |
| | 326 |
| | 291 |
| | 347 |
| | 1,239 |
| Engines | | 241 |
| | 279 |
| | 271 |
| | 309 |
| | 1,100 |
| Total sales | | $ | 1,463 |
| | $ | 1,544 |
| | $ | 1,504 |
| | $ | 1,670 |
| | $ | 6,181 |
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Component Segment Sales by Business In the first quarter of 2017, our Components segment reorganized its reporting structure to move an element of the emission solutions business to the fuel systems business to enhance operational, administrative and product development efficiencies. Prior year sales were reclassified to conform with this change. In the third quarter of 2017, we completed the Eaton Cummins Automated Transmission Technologies joint venture (ECJV), which was consolidated and included in our Components segment as the automated transmissions business. Sales for our Components segment by product line were as follows:
| | | | | | | | | | | | | | | | | | | | | | 2017 | | | | | | | | | | | In millions | | Q1 | | Q2 | | Q3 | | Q4 | | YTD | Emission solutions | | $ | 616 |
| | $ | 674 |
| | $ | 696 |
| | $ | — |
| | $ | 1,986 |
| Turbo technologies | | 287 |
| | 307 |
| | 297 |
| | — |
| | 891 |
| Filtration | | 277 |
| | 291 |
| | 287 |
| | — |
| | 855 |
| Fuel systems | | 164 |
| | 182 |
| | 184 |
| | — |
| | 530 |
| Automated transmissions | | — |
| | — |
| | 69 |
| | — |
| | 69 |
| Total sales | | $ | 1,344 |
| | $ | 1,454 |
| | $ | 1,533 |
| | $ | — |
| | $ | 4,331 |
| | | | | | | | | | | | 2016 | | | | | | | | | | | In millions | | Q1 | | Q2 | | Q3 | | Q4 | | YTD | Emission solutions | | $ | 589 |
| | $ | 603 |
| | $ | 522 |
| | $ | 524 |
| | $ | 2,238 |
| Turbo technologies | | 265 |
| | 276 |
| | 241 |
| | 254 |
| | 1,036 |
| Filtration | | 252 |
| | 262 |
| | 244 |
| | 252 |
| | 1,010 |
| Fuel systems | | 131 |
| | 138 |
| | 136 |
| | 147 |
| | 552 |
| Total sales | | $ | 1,237 |
| | $ | 1,279 |
| | $ | 1,143 |
| | $ | 1,177 |
| | $ | 4,836 |
| | | | | | | | | | | | 2015 | | | | | | | | | | | In millions | | YTD | | | | | | | | | Emission solutions | | $ | 2,449 |
| | | | | | | | | Turbo technologies | | 1,141 |
| | | | | | | | | Filtration | | 1,010 |
| | | | | | | | | Fuel systems | | 572 |
| | | | | | | | | Total sales | | $ | 5,172 |
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