The idea of Cummins parts in a Caterpillar machine seems odd, but the shrinking world of industry consolidation will result in the use of Cummins-sourced selective catalytic reduction equipment on the ...

Click here to write a Letter to the Editor. OUISVILLE, Ky. — Rival independent heavy-duty engine makers Caterpillar Inc. and Cummins Inc. said last week they would continue to win sales, despite plans ...

WESTLAKE VILLAGE, Calif. — Diesel engine competitors Caterpillar and Cummins both ranked highest in satisfying customers with heavy-duty truck engines and transmissions, according to the J.D. Power ...

(Oct. 24, 2002) — Caterpillar is again seeking court intervention in its dispute with rival heavy-duty diesel engine maker Cummins over the technology behind an EPA-approved clean engine line.