Ok, here is a lot of engines, from left to right, BNSF 5001, BNSF 6783 with SD40-2B 7502, BNSF 708, BNSF 4709 with a B23-7 and the last SF30B on the roster, NS 9627, and in the backround TP&W 3830.
Crazy pool power consists, colorful gatherings of locomotives at a diesel service area, or a mixture of colorful locomotives in storage lines. A minimum of four different paint schemes required.