Plant 4

​Marinette, WI - Plant 4

Plant 4 is located on 40 acres within the City of Marinette, WI, is 327,000 square feet, and employs more than 750 people. The plant is a diverse facility able to run six different types of ductile iron at the same time in its electric melt furnaces. Team members take pride in the technical support at the plant and have experts on hand to react quickly to customer needs.


Waupaca Foundry - Plant 4

805 Ogden Street
Marinette, WI 54143
Telephone 715-735-4999
Fax 715-735-4990

Airports with service to area:

• Austin Straubel International Airport (GRB)

Plant 4, Marinette, WI is on Central Time Zone (CST).

Iron type:  Ductile iron
Casting size: 2 lbs. to 65 lbs. / 1 kg x 30 kg
Melt capacity: 75 tons per hour
Molding:  6 vertical molding machines
- one 22 x 34 /  558 x 864 mm
- five 28 x 34 / 711 x 864 mm                
Core types:  Isocure cold box and shell
Markets served:  Light vehicle, material handling, power transmission, agriculture, hydraulics,  and commercial vehicle (Class 4-8 truck and trailer)
Products manufactured:  Brake calipers, brake anchors, differential cases, bearing caps, slack adjusters, spring hangers and steering housings


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