Trail Dozer Engine Replacement

The United States Department of Agriculture Forest Service, Intermountain Region, Uinta-Wasatch-Cache National Forest is soliciting quotations for engine replacement services on a SWECO Model 480 Crawler (Serial # 20481-373-38-5059A). The work requires replacing the current ISUZU AA-4JG1T engine with a new Kohler Diesel KDI 2504TCR 75HP engine and Auburn Gear Power Wheel Model 8 Double Reduction torque hubs rated at 100,000 inch-pounds capacity, along with associated hydraulic, electrical, cooling, air intake, exhaust system, and body panel modifications. Key contract requirements include comprehensive equipment disassembly, machining of torque hub mounts, and installation of new radiator, motor mounts, hood, air filter, exhaust system, heat shield, floor footrest plate, control panel, fuel filter mount, servo cover panel, and battery box. The Government will make award on a firm-fixed-price basis to the highest technically-rated offeror offering fair and reasonable pricing with acceptable or neutral past performance. Critical deadlines include February 19, 2026 at 10:00 AM Mountain Time for submission of written questions and February 24, 2026 at 10:00 AM Mountain Time for quotation submission via email to arlen.fausett@usda.gov.

This solicitation (1240LS26Q0012) is designated as a Total Small Business Set-Aside with a $12.5 million size standard, though no incumbent contractor is identified. No specific budget range is disclosed in the solicitation materials. The contract requires completion of all work by May 15, 2026, providing approximately three months for project execution. Pricing must be submitted for four base line items including the engine conversion assembly, engine with kit, two Auburn Gear power wheel units, and labor hours, plus one optional line item for transportation of the equipment to and from the vendor's shop. Place of performance is Huntsville, Utah 84317, located at the Ogden Ranger District facility at 6620 Main Street, where the SWECO Model 480 Crawler is currently stationed.