What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 2:30pm

Engine Shop

Name: Engine Shop
Address: 1200 4TH Avenue SW, Watertown, SD, 57201, US
Telephone: +16058841059

Call Directions Website Contact the business

Full Service Machine Shop, Engine building, and Dyno service for Race, street, hot rod, drag race, OEM, and small to large diesel.

State of the art equipment, quality first, excellent customer service.

10/02/2026

❗FOR SALE: 1999 – 2007 Chevy 5.3L LM7 ❗

◾️Built to OEM specifications
◾️Tuning is not required
◾Blueprinted and Machined
◾Bare Long Block (No induction)
◾Silv-O-Lite Pistons W/Hastings Rings
◾King Bearings
◾Melling Oil Pump & Timing Set
◾Melling Camshaft Kit
◾862 Heads w/ OEM type valve train
◾Dyno tested 310 HP. & 359 TQ.

$5,499.00 with good core exchange.
$6,099.00 without core

Interested?! Give us a call or check out our website for more information and other motors we have for sale. https://engineshop.com/for-sale/

09/21/2026

Congrats to Eric Faber on his USRA B-Modified win at I-90 Speedway on 9/12/26. Eric's 1st win with The Engine Shop!🏁🏆

09/18/2026

Piston pins fitted on a set of 855 Cummins connecting rods on our Berco Rod Boring Machine.

Installation of new Pin bushing and Boring to correct clearances.

From passenger cars to heavy duty engines, if you need a set of connecting rods reconditioned we have you covered!

09/11/2026

Running our RMC Engine SIM Tester
Testing:
- cooling system
- oil flow & oil pressure
- cylinder compression
- crankshaft rotational load

Rebuilt 6.7L Cummins in stock ready to go!

Give us a call today or Check our website for more information!
https://engineshop.com/for-sale/
Mon-Th: 8:00am - 5:00pm & Fri: 8:00am - 2:30pm
1200 4th Ave SW, Watertown, SD 57201
605-884-1059

09/04/2026

💥Engine Shop Labor Day Sale starts now!💥

From now till September 18th take $500.00 off list price of any in stock engine.

In stock and ready to go:

▪️2011-2016 LML 6.6L Duramax
▪️2007.5-2018 Cummins 6.7L
▪️2003 Ford 5.4L Triton
▪️2010 Ford 5.4L Triton
▪️1999-2007 Chevy 5.3L LM7

Interested?! Check our website for more information.
https://engineshop.com/for-sale/

Mon-Th: 8:00am - 5:00pm & Fri: 8:00am - 2:30pm
1200 4th Ave SW, Watertown, SD 57201
📞 605-884-1059

09/01/2026

Congratulations Cole Phillips on his win last Thursday at Black Hills Speedway!🏁🏆

08/24/2026

Glimpse at one of the one most important processes we do when machining any block. Line honing main bores back to spec and all the same size from the first main to the last main.

08/17/2026

Congratulations Josh Skorczewski Racing on win #4 of the season!
Josh and the team secured the 2026 Wissota Late Model track championship at Dakota State Fair Speedway as well.🏆🏁

08/12/2026

‼️ FOR SALE – 2011-2016 LML DURAMAX 6.6L ‼️

▪️Fully machined block
▪️Milled Mahle piston set
▪️ARP connecting rod bolts
▪️ARP main studs
▪️ARP head studs
▪️Cylinder heads equipped with all new valvetrain
▪️Keyed GM crankshaft
▪️Balanced rotating assembly
▪️Keyed camshaft with upgraded camshaft bolt

$15,299.00 without core
$13,299.00 with good core exchange

Interested?! Give us a call or check out our website for more information and other motors we have for sale. https://engineshop.com/for-sale/
We're happy to answer any questions!

08/06/2026

Duramax Cylinder Heads in line for a full valve job and assembly, new valves, springs, keepers & seals. Getting ready to go on our Duramax Long Block Builds.

Address

1200 4TH Avenue SW
Watertown, SD
57201

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 2:30pm

Telephone

+16058841059

Website

http://www.engineshop.com/

Alerts

Be the first to know and let us send you an email when Engine Shop posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Engine Shop:

Want your business to be the top-listed engineering company in Watertown?