Founded in 1972, Dynamic Engineering is a machine shop with a strong commitment to quality.

Our wide range of capabilities, skilled personnel and commitments to customer service and high quality have made Dynamic Engineering a favored supplier to numerous OEMs and repair parts customers.

Thank you for your interest in Dynamic Engineering. Please contact us to discuss what we can do for your company.

ISO Certification Information

Thank you for your interest in our current ISO certification. Contact us with the form below and we will be happy to forward that information to you.

About Us

Dynamic Engineering has three locations; one 60,000 sq. ft. plant and one 15,000 sq. ft. plant, both at the Airport Industrial Park, Watertown, South Dakota, and a 36,000 sq. ft. plant in the Schweiger Industrial Park of Watertown.

Dynamic Engineering has been in business in the Watertown community since January 1972. We have a history of continued growth and modernization.

Our work force is comprised of 130 proficient machinists operating the most modern, up-to-date equipment available to our industry.

Dynamic Engineering provides some of the finest and best maintained production machine shop equipment available. We pride ourselves on our ability to produce high quality parts and deliver them on schedule to our customers.

Because of our structured growth, Dynamic Engineering has been able to acquire machinery of the same manufacture and model. This has afforded us interchangeability of tooling and has allowed our personnel to develop exceptional skills in the setup and operation of our equipment. Complementing our modern manufacturing facilities, Dynamic Engineering also provides complete inspection capability to assure our customers parts correctly made to their specifications, on time, ready for their assembly.


Whatever your requirements may be, it is likely that Dynamic Engineering has the equipment in-house to meet your needs.

Small Capacity CNC Lathes
Small lathes from swiss automatics up to and including 2.5" diameter capacity, 5 axis automatic barfeeding lathes.

Medium Capacity CNC Lathes
Lathes from 8" to 10" chucks.

Large Capacity CNC Lathes
Large capacities up to 42" swing x 80"

Horizontal Machining Centers
From 12" pallets up to 31.5" pallets in size

Vertical CNC Machining Centers

Horizontal Boring Mills
Boring mill capacities 10' vertical, 12' cross travels, 5" and 6" diameter spindles

Grinding Equipment
Cylindrical, centerless, blanchard, tool and cutter, internal and surface grinding

Gear and Spline Cutting Equipment
Gear and spline shaping, internal and external, up to 118" in diameter. Hobbing up to 16.0" diameter. Shaving and honing are also available.

Broaching Equipment
Broaching up to 75 ton capacity

Balancing Equipment
Precision balancing up to 300 pound parts

Welding Equipment
Numerous modern welding power supplies

Inspection Equipment

Miscellaneous Equipment
Support equipment too numerous to detail

Please contact us for a complete facilities and equipment list.

Contact Us

We look forward to discussing your needs and how Dynamic Engineering can help you meet them.