newsfilter
← Latest News
Business Wire·

Cummins Announces S29 Engine for Mining Applications

  • Cummins Inc. unveiled the new S29 mining engine at its Chongqing, China plant on November 10, 2026.
  • The S29 is a clean-sheet, 29-liter engine designed for 90- to 120-ton haul trucks & 150- to 220-ton excavators.
  • Global availability is planned for late 2027 in regions requiring China Stage III emissions standards & non-certified configurations.
  • The engine delivers up to 1300hp at 2100rpm within a compact package for maximum vehicle integration flexibility.
  • Development targets aim for a best point BSFC of 180 g/kW.hr to achieve industry-leading fuel economy.
  • The S29 features fuel-agnostic capability, supporting diesel, HVO, & biodiesel blends up to B50 at launch.
  • Future configurations are being designed to support natural gas, hydrogen, & dual-fuel options.
  • The platform is engineered for extreme environments with no derate up to 3,000m altitude & cold starts at -25° C.
  • The engine will be displayed at bauma CHINA in Shanghai from November 23–27, 2026, at Cummins booth Outdoor C.78.