Led by new GE AC No. 335, a westbound SP coming off Donner Pass prepares to duck under the uphill track at Rocklin.

SP 335 rolls past what is left of a record 14+ inches of snow in North Texas back in Feb 2010.

As the rear of an eastbound Union Pacific coal train heads through Rocky, Colorado, below—an eastbound BNSF manifest freight passes through Tunnel 1 in the background on August 11, 2015. The rea... (more)

The lone DPU on the rear of an eastbound Union Pacific coal train features a surviving Southern Pacific locomotive west of Rocky, Colorado, on August 11, 2015. SP GE AC4400CW No. 335 is one of onl... (more)

They may not be the sounds of EMD's 645 prime-mover that was once a common sound in these parts. However, the sounds of GE's working up a 2% grade that echos throughout the valley is still an awes... (more)

A uncommon leader consist must have put together by a railfan. SP 335 lead's a hopper through Shabbona, IL westbound on it's way to Jamestown, ND

One of the untouched Southern Pacific AC4400CWs, SP 335, shoves on a westbound empty coal train.

Southern Pacific AC4400CW No. 335 hustles west through Murray City with UP's Denver to Salt Lake City manifest on May 26, 2012.

Two new GE ACs lead a westbound manifest downhill through Applegate.

With the warm June sun almost directly overhead, I decided 'directly overhead' was a pretty good spot to shoot this westbound UP manifest. In the lead was SP 335, one of the few remaining un-patch... (more)

One of the last "unpatched" SP AC's, the 335 heads East near Agate on the old Kansas Pacific line. The second engine, UP 6167 still retains the SP speed lettering on the side even though it has be... (more)

Southern Pacific and Union Pacific AC4400CWs team up with a westbound freight approaching Tunnel 1 east of Plain, Colorado, on a wet April 24, 1999.

SP 335 crests Toponas Summit, formerly a helper district on the D&RGW's Craig Branch. Remanence of the wye for Phippsburg, CO based steam helpers is still visible. Flanked by the Flat Tops to the ... (more)

Southern Pacific AC4400CW #335, one of a handful of remaining SP numbered units on the current UP roster, heads west through Murray City with the daily MNYRO (Denver, CO - Salt Lake City, UT) mani... (more)

Southern Pacific AC4400CW #335 is one of a handful of SP numbered units remaining on the Union Pacific roster. Photographed via the new 114th South overpass, five GE motors lead 49 cars of general... (more)