The Development of the Mini-Trencher

Bill Rose is the developer and inventor of the Mini-Trencher, which was introduced in 1986.

Determined to find a better way to dig small narrow trenches in dry, rock hard soil, Bill Rose took a chainsaw and with the help of a friend, modify it. Bill and his friend took used saw chains and welded what they referred to as small diggers onto the chains. To their surprise, it did dig into the dirt.

In 1983, Bill hired a company in Portland, Oregon to make the trenching chain as strong as possible, using a 3/8" pitch chain. The chain had to be easy to change so that the motor could go from woodcutting to dirt cutting. However, this limited them to the use of motors with outboard sprockets only, which made it vital that they replace the sprocket covers with ones that offered more clearance and provided more protection to the operator.

Bill Rose’s invention has become nearly indispensable to landscapers, irrigation companies, as well as to garden centers who have used his mini-trencher for root balling and pruning. Today, the mini-trencher has advanced to the capacity of being able to cut a 12-inch deep trench as fast as 30 feet per minute. Bill Rose and his mini-trencher are a true example of what ingenuity and imagination can create.
 

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