Overland Train Mark 2 General Dimensions
R. G. LeTourneau, Inc. and the Army had milestones built into The Overland Train Mark 2 (Mark 2) contract. These were defined as Phase I, Phase II, Phase III, and…
TC-497 Overland Train
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Standing in Front of the Overland Mark 2 Tire
The Sno-Train and the Overland Mark 2 tires garnered a great deal of attention. Why shouldn’t they? the Firestone 120x48x68 tires are 4 feet wide and 10 feet tall. They…
Looking Down the Overland Mark II Cargo Cars at the Longview, TX Factory
This image was recently uncovered by two brothers that attended school at LeTourneau College from 1960-1963. LeTourneau College became LeTourneau University in 1961. The foreground-right tire shows a pretty good…
There were 6 Overland Trains
When I watch or read about Overland Trains, authors typically forget, or don’t know, that there are 6 of them. The Overland Trains were built from 1952-1961. The first built…
Overland Mark 2 Electrical Cable Weight
When R. G. LeTourneau, Inc. engineers were calculating the Mark 2’s electrical systems, they had to consider electrical systems and cable weight. The largest insulated copper cable that could be…
The Overland Train Mark 2 Fuel Capacity
The Overland Train Mark 2 performance standards were proposed in 1958 to R. G. LeTourneau, Inc. Engineers had to work backwards to determine how to best meet the Army’s needs…
Overland Mark 2 SOLAR Turbines Layout
The Overland Mark 2 SOLAR 10MC gas turbines were an off the shelf product at the time of their use in 1961. R. G. LeTourneau, Inc. mated the turbines directly…
The Overland Mark 2 SOLAR Gas Turbine Fuel Use
A few weeks ago, I published an image of a SOLAR 10MC (Model Saturn T-1020S-4) gas turbine being installed within the Mark 2. The large circular tube on the top…
Mark 2 Trailer Tracking at Yuma
The video below shows the Mark 2 leaving the shop at Yuma Proving Ground, Arizona. This traverse was the first time the Mark 2 drove as a train in Yuma.…
Overland Trains Video by Calum
An acquaintance of mine posted a video on the Overland Trains today. It has been a labour of love for him over the past 2 years. His research and narration…
Did the Sno-Train Have Tire Chains for the Ice?
Well, kind of. The Sno-Train’s wheels came equipped with what LeTourneau called traction lugs. Breaking it down a little more simply, the traction lugs were long rubber pieces or cables…
Arctic Scene with Overland Mark 2 Model
Last month I was contacted by a man who said that his father worked at R.G. LeTourneau’s Longview, TX factory. He went on to provide a fascinating story of his…