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Dunn County staff weigh $49,000 grader repair against replacement amid limited fleet redundancy
Summary
Highway staff told the committee a remanufactured transmission for a county grader would cost roughly $49,000 (parts, oil cooler and labor), while the machine's book value is about $15,000; staff recommended repair and to consider surplus of older units to fund work, with further guidance to return to the committee for disposal approvals.
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Brent, the Highway Department staff lead, reported to the Dunn County Highway Committee on March 11 that a county grader has experienced a transmission failure that threatens the machine's in‑service availability. Staff shared a vendor estimate for a remanufactured transmission and associated repairs in the range of roughly $30,000 for the core reman unit and about $49,000 when the oil cooler and labor were included.
Why it matters: the grader was listed at a depreciated book value of about $15,000, and buying a new grader would be vastly more expensive — roughly $400,000 by staff estimates. Committee members and shop staff said they prefer to maintain two graders with operator‑grade control to avoid project stoppages if one machine fails.
What staff said: Dan, who leads shop operations, described the failure and vendor guidance that replacing the oil cooler is advisable to prevent debris from contaminating a new transmission. He told the committee that shop labor and warranty considerations complicate a local repair, and that vendor installation would reduce warranty risk but add to cost. Brent added that transferring an existing grade‑control unit to another grader has a vendor quote of about $6,500, which factors into fleet recovery options.
Options weighed: members debated three basic paths — repair the existing grader, transfer electronics to another machine and surplus a different unit to offset cost, or buy a new replacement. Staff noted the grader in question has modest annual use (under 500 hours a year) and estimated a practical remaining life of several years if the transmission is rebuilt or replaced. A remanufacture now would cost roughly the equivalent of $10,000 per year if the machine returns to service for an estimated five years.
Funding and next steps: staff said surplus of an older grader or other equipment could offset part of the repair cost, and that any sale or disposal would be brought back to the full county board for approval. The committee did not direct immediate purchase but indicated general support for moving forward with repair planning while returning any surplus or purchase decisions for committee approval.
The committee also discussed training and redundancy: members emphasized having at least two graders with grade‑control capability so projects are not delayed when one machine is out of service. Brent said staff will prepare specific disposal or repair authorization items for future meetings so the committee can approve financial action and any surplus declarations.

