BNSF #8504, one of 20 (8500-8519) SD70ACe's with A-A-1--1-A-A truck configuration leads the Eastbound Provo to Denver trackage rights train.

BNSF EMD SD70ACe No. 8504 leads a locomotive test train south toward Raton Pass featuring a mix of BNSF EMD and GE power, BNSF passenger test cars, and Progress Rail' EMD SD70ACe-T4 demo unit.

Muncie built SD70ACe's in route to Progress-Mayfield for additional work. Seen here at the P&L yard in Louisville after interchange from NS. BNSF 8504, 8500, 8503, 8502, 8501, 8505.