Gillette in Campbell County, Wyoming — The American West (Mountains)

Pulling Unit

— Energy Equipment Exhibit —

Photographed by Cosmos Mariner, July 29, 2022

1. Pulling Unit Marker

Inscription.
Built by Allis Chambers
Engine ED-40
Front tires 9x18” – 10 ply
Height 50 ft.
Rear tires 44x10” – 16” ply
Year built 1935

Pulling units are now called workover rigs. Instead of having a permanent derrick left over a well, a pulling unit has its own derrick and winch cables to pull a pump out of a well to perform maintenance.

Donated by: Getter Trucking
Supported by: Philip’s Welding Service, Jim’s Water Service

Erected by Energy Equipment Exhibit of the High Plains Technology Center at Cam-Plex.

Topics. This historical marker is listed in these topic lists: Industry & Commerce • Roads & Vehicles. A significant historical year for this entry is 1935.

Location. 44° 17.049′ N, 105° 26.826′ W. Marker is in Gillette, Wyoming, in Campbell County. It can be reached from the intersection of South Garner Lake Road and Martingale Drive, on the left when traveling south. The marker and pulling unit are in the Cam-Plex Energy Equipment Exhibit at Gillette Energy Park. Touch for map. Marker is at or near this postal address: 891 South Garner Lake Road, Gillette WY 82718, United States of America. Touch for directions.

Regionally,

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this marker is in Wyoming’s Powder River Basin.

It is also in the American Mountain West,

on the Great Plains,

on the Northern Plains,

and specifically on the High Plains.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Louisiana Purchase.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Industrial Tires (a few steps from this marker); Sundial and Time Capsule (within shouting distance of this marker); Unit Rig Truck (within shouting distance of this marker); Coal Shovel Bucket (within shouting distance of this marker); Rotary Drill (within shouting distance of this marker); Engine 5802 (about 300 feet away, measured in a direct line); Worthington Generator Units (about 400 feet away); Caterpillar (about 400 feet away). Touch for a list and map of all markers in Gillette.

Photographed by Cosmos Mariner, July 29, 2022

2. Pulling Unit Marker

Pulling Unit image. Click for full size.

Photographed by Cosmos Mariner, July 29, 2022

3. Pulling Unit

Credits. This page was last revised on July 25, 2026. It was originally submitted on July 25, 2026, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 5 times since then. Photos: 1, 2, 3. submitted on July 25, 2026, by Cosmos Mariner of Cape Canaveral, Florida.