R.T. Blackhawk Machine Replacement Repair Parts, Inc.
Since 1974

Our South Beloit facility makes gears, shafts, worm gear sets, and other parts for a wide variety of products including: Precision Grinders, Large Engines, Food Processing Equipment, Tractors & Combines, Printing Presses, Forklifts, Papermaking Equipment, and CNC Machines.



Production Components - OEM Parts - General Machining -Repair Parts
Tapers - Acme threads - Bolts and nuts - Shafts - Gears - Worms Bearing
Sleeves - Fasteners - Spur & Helical Gears - Sprockets
Worm Shafts & Worm Gears - Adapters - Hydraulic Fittings

R.T. Blackhawk Machine is located on the Wisconsin-Illinois state line.
We are 90 minutes from Chicago, Milwaukee, and Madison.

CNC Turning - CNC Milling - Hobbing - Thread Milling - OD & ID Grinding



RT Blackhawk features

  • Online delivery status by request (Click here for sample)
  • Production machining and grinding services
  • 24-hour turnaround on quotes
  • Reliable, on-time deliveries
  • Quick service for repair or replacement parts
  • Familiarity with non-standard gears & threads
  • A quality system certified by leading manufacturers



    • We make precision machined parts. From large orders to that broken or stripped worm gear, we can make parts from your print or sample. Our regular clients include major machine manufacturers, farmers, and everything in between. We are located 1 mile west of I90, and 1/4 mile west of Highway 251, in South Beloit, Illinois.  You can call and ask for Gina, or just stop in anytime during business hours.

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    R.T. Blackhawk's goal is to produce quality machined parts in a profitable
    manner, while meeting and exceeding customer requirements and expectations.

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    R.T. Blackhawk Machine Products, Inc.
    956 Gardner Street
    South Beloit, IL 61080
    Phone 815.389.3632
    Fax 815.389.4684