Rock Diesel of Milton

Rock Diesel of Milton Specializing in diesel engine and drivetrain repair, we are here to keep your rig on the road Quality work and reasonable pricing!

Diesel Performance and Repair
Transmissions - Engines - Turbochargers - Fuel Systems - all of your diesel needs!

Rock Diesel and ATS (Automatic Transmission Service) will be closed Friday, July 3, 2026 to observe Independence Day.
07/02/2026

Rock Diesel and ATS (Automatic Transmission Service) will be closed Friday, July 3, 2026 to observe Independence Day.

Rock Diesel and Automatic Transmission Service is looking to expand our team! We are looking for an experienced general ...
06/11/2026

Rock Diesel and Automatic Transmission Service is looking to expand our team! We are looking for an experienced general technician.
- Competitive pay
- Insurance
- Paid vacation
- Paid holidays
Come join our awesome crew! Please apply within, or email [email protected]

Rock Diesel will be closed today to observe Memorial Day.
05/25/2026

Rock Diesel will be closed today to observe Memorial Day.

Happy Easter everyone!
04/05/2026

Happy Easter everyone!

Rock Diesel and ATS will be closed January 1, 2026 (Thursday) and January 2, 2026 (Friday). Wishing everyone a Happy New...
01/01/2026

Rock Diesel and ATS will be closed January 1, 2026 (Thursday) and January 2, 2026 (Friday). Wishing everyone a Happy New Year.

Rock Diesel and ATS will be closed December 24, 25 and 26th, reopening Monday December 29th.Wishing everyone a Merry Chr...
12/24/2025

Rock Diesel and ATS will be closed December 24, 25 and 26th, reopening Monday December 29th.

Wishing everyone a Merry Christmas 🎄!

12/16/2025
12/04/2025

Another hydraulic ramp door/beavertail we are close to finishing up in the shop! Also sanded and finished the floors! Going to be a lot nicer than throwing ramps around! Who’s next?

Rock Diesel will be closed Thanksgiving and Friday after for our staff to enjoy family time. Reopening Monday, December ...
11/27/2025

Rock Diesel will be closed Thanksgiving and Friday after for our staff to enjoy family time. Reopening Monday, December 1, 2025. Happy Thanksgiving!

Address

4365 Milton Avenue
Janesville, WI
53546

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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