A solid set of sequentially numbered SP GP40-2s (7661, 7660, 7659, 7658) makes a set-out at the summit of Beaumont Hill at Beaumont, CA. Ten months after delivery, these four are still together in order to keep reliable power available for high-priority trains, chained together in order to prevent anyone from grabbing a unit for a lowly local. The gyralight between the numberboards is getting a workout today!