Helpers at Horseshoe. A pair of SD40Es make their way West around the World Famous Horseshoe Curve on a foggy morning.

Helpers shove on the rear of coal train 508 in white out snow conditions on the West Slope.

Helpers assist an eastbound ethanol train up track one.

Loaded Norfolk Southern coal train NS 590 is slowly grinding its way over the summit of the Alleghenies with a pair of SD40E helpers on the head of the train's ES40DC and C44-9W. While the PRR pos... (more)

A pair of helpers on the head end of loaded coal train NS 590 as it makes its way down the east slope of the Alleghenies. The train has just come out of the summit tunnels and is heading downgrade... (more)

A pair of pushers exit the Portage Tunnel, shoving tonnage towards Altoona, PA.

Helpers meet at the Brickyard

After pausing for a few minutes to allow the signal maintainer to clear, NS 12G slowly rolls past forlorn AR Tower. Upon cresting the grade, situated at the edge of the foreground shadows, 12G wil... (more)

The sun peaks out for just a moment as two SD40E's provide dynamic braking down the west slope after cresting the summit in the middle of the tunnel.

Yes, there is a train in there! 14,000 tons of freshly loaded fine coal going track speed makes for quite a mess as the helpers on the rear of 578 disappear into the heavy cloud of coal dust that ... (more)

Snow falls as a pair of helpers wait for a signal to head west at CP C.

The E's rule the mountain now - we only saw one set of SD40-2 helpers. Here's one of the Juniata rebuild units heading east in front of the Station Inn.

It's winter time at the top o' the mountain as a pair of SD40E give 21Q some assistance west.

A helper set heads West from Cresson to pick up NS 10N, and help it over the mountain. This a set of the newer helpers, rebuilt from former SD50s.

The power off of the C90 local, two of the new SD40-E rebuilds numbers 6305 and 6301 has completed their work for the day and are tied down for the evening. Note, behind the 40-E's is an SD80MAC, ... (more)