A 16k intermodal eases out of the Shawmut Pass as they approch Bosque.

The Western Pacific "heritage unit" leads the westbound premium Intermodal-Marion, AR-Los Angeles as it swings though the massive Shawmut S curve.

A short manifest passes Elden Mountain in eastern Flagstaff after a fewdays of fresh snow fall.

The BNSF 7877 flys through Maine, AZ as they crossover from the opposite main in the background passing a stopped manifest.

With a few flurries still falling to the ground, the westbound BNSF 5266 drops down the Arizona Divide as they pass through Maine, AZ.

The BNSF 7408 flys up hill on main 1 attempting to run around a slower manifest ahead of them on main 2. After a few days of nonstop snow, the flurries fly as this hot Z train races up the Arizona... (more)

Flying past at near 50 miles an hour, the Union Pacific Big Boy heads east in the morning sun as they pass the famous Picacho Peak in the background.

UP 4014 slows as they drop down the short quick grade of the Mohawk pass as they plan to stop at the bottom of the grade for a quick lubrication of all of 4014's parts.

UP 4014 rounds the final leg of an "S" curve just outside of Sentinel, AZ as it continues to race east in the 100 degreees heat!

The Union Pacific 4014 departing the former Southern Pacific Tuscon yard as they head east for Lordsburg, NM on a fine October morning.

After already havig to go into Emergancy, the UP 4014 gets back underway as he continues east toward Tuscon, AZ and a much needed day of rest. Unfortunately the Big Boy will have to go back into e... (more)

The Union Pacific 4014 climbs the massive straight up the grade thru Fenner as he approches the top heading east for New Mexico.

After the dropping down grade from Mescale, the UP 4014 slowly glides toward the Town of Benson as thounsads await his arrival.

The Union Pacific Big Boy, UP 4014, exiting the lower track of the Cienega Creek Preserve before climbing up grade for Mescal, AZ.

With the last minutes of golden hour fast approaching, the UP 4014 pulls out of Tuscon as they prepare to head east for Lordsburg, NM as apart of the Union Pacific Big Boy tour.