Horizontal Spool

Donkey, Murray Brothers Yarder

Yarder, horizontal, designed & used for pile driving (ULCo. #D-11).

Donkey, Washington Iron Works Estep Diesel Yarder

From the Roots of Motive Power Newsletter, August 2004

The dark smudges lingering on the ceiling of the Roots Restoration Facility just above the stacks of our Washington Iron Works Estep Yarder bear evidence that Vrain Conley and crew (Percy Daniels, Keith Rongey, Mike Wade, Ed Vikart, H

Donkey, Willamette Steam Yarder #4703

This machine was built for the Mendocino Lumber Company. Much improved over the smaller Dolbeer Spool donkey, this yarder has 2 cable drums and could hold a much longer cable. It also has the abiliy to wind the cable back by itself.

Donkey, Washington Iron Works 12x17 Simplex Slackline Yarder, #3643

As steam yarders grew more powerful and could reach greater distances, the ability of the machine to slack the skyline was critical for maintaining productivity.

Donkey, Washington Iron Works #3404 Three-spool Yarder

Washington Iron Works (WIW) Simplex Yarder #3404 is on permanent loan to the Mendocino County Museum from the State of California Department of Forestry. The WIW Yarder was purchased new in the early 1920s by the Mendocino Lumber Co.

Donkey, Skagit B-20F Yarder, #20A186

The Skagit Steel and Iron Works of Sedro-Woolley, Washington was a leader in gasoline and diesel powered yarders and loading machines after the introduction in the 1920s of the Skagit Little Tugger.

Donkey, California Iron Works Horizontal Spool, Steam

This very early steam donkey was built in Humboldt County by the California Iron Works before the turn of the century. Bull donkeys were used to replace bulls on long skid roads before many logging companies had access to railroad equipment.

Donkey, Eureka Foundry Horizontal Spool, Steam

This horizontal or side spool donkey was built by the Eureka Foundry Company in 1906 as Construction Number 4929. The first reported use of steam for logging purposes was at Salmon Creek in Humboldt County in 1881 for Dolbeer and Carson.
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