BNSF 3878, a relatively new ET44C4, catches the evening light with a follow GE as the two rest on the rear of a southbound manifest in the siding at Guernsey.

BNSF Tier 4 No.3878 with a hot Stack and TOFC. After rounding the horseshoe curve at Caliente it begins the 2% grade of the western slope of Tehachapi Mountains.