Terry’s Engine Rebuilding

We Are Experienced Automotive Engine Rebuilders In Green Bay Wisconsin.

Automotive, Diesel, Marine, Industrial

Terry’s Engine Rebuilding LLC. has been in business since 1994. Rebuilding an engine is not an easy thing to do. Fortunately, Owner Terry Kiehnau has been in the automotive machining industry for over 35 years building high performance engines.  With over 75 years of combined experience, no one in Green Bay is better suited for rebuilding your automotive, marine, or diesel truck engine.


On-Site Experts & Services

Our Professional team of automotive machinists can performs a wide range of services. We specialize in domestic, foreign,  marine, and diesel engines. We now clean and test injectors!

Crankshaft Specialist

Customers from all over North East Wisconsin visit our shop for complete rebuilds. If your  going to rebuild a stock or all out high performance application we can meet all your needs. 

Call us today at (920) 434-4240 for professional service at competitive rates.

Diesel and Marine Engine Services

For more than 35 years we  have specialized in diesel re-manufacturing. From our facilities in GreenBay, Wisconsin our experienced technicians provide rebuild services primarily for Caterpillar, Cummins, Detroit, GM Duramax, International, Isuzu, and Perkins engines that deliver outstanding performance, reliability, and durability.

The marine boating season is short enough. Let us get your boat out of the shop and back on the water today. Our Marine Engines are built to meet or exceed OEM specifications. We use the latest in machine technology and engines are assembled with the highest quality parts.

Harley Davidson Rebuilder

We also offer engine machining services for your Harley Davidson motorcycle. We have all the right tool and equipment to get the job done right the first time. Give us a call today for more details on the services we offer.

Our Services






Happy Customers

Absolutely the best!! Chambers Motorsports couldn’t do it without them. Thanks for all your support.

Excellent work at excellent prices! I’ll definitely be back!

Terry’s Engine Rebuilding

2380 O Connor Rd
Green Bay, Wisconsin 54313

Call us today