Mullin Diesel

Mullin Diesel •Truck and Coach Repairs
•Commercial Safties and Emissions Testing
•Fleet Maintenance
•Certified DriveON Facility
📍Iroquois, ON

Yesterday was a great day to swap out Alison transmissions on this GMC!! Call us today at 613-652-1123 for any of your d...
08/21/2026

Yesterday was a great day to swap out Alison transmissions on this GMC!!

Call us today at 613-652-1123 for any of your diesel equipment needs⚙️

Another upgrade completed!! This 6.7L Cummins came in for a Banks intake heater upgrade. Looking to get more out of your...
08/19/2026

Another upgrade completed!! This 6.7L Cummins came in for a Banks intake heater upgrade.

Looking to get more out of your truck? Give us a call at 613-652-1123 🛻💨

Our new shop has been great to us and we’re proud to provide reliable service to our customers!! 🚛Whether you have a sin...
08/07/2026

Our new shop has been great to us and we’re proud to provide reliable service to our customers!! 🚛

Whether you have a single truck or a fleet, our team is here to keep you on the road. We offer:

- Commerical Safeties
- Emissions Tests
- Specialized Engine Services
- DPF, DOC & SCR Emissions Repairs
- Transmission Work
- General Fleet Maintenance
- & All Other Heavy Duty Vehicle Needs

Give us a call today at (613) 652-1123 or visit us at 5763 Carman Rd., Iroquois, ON😊

07/31/2026

Another day, another engine! 👨‍🔧

A Cummins ISX15 was rebuilt on this K. Mulrooney Trucking & Construction truck out of Kingston😊

Call us today at (613) 652-1123 to book any of your fleet needs in.

We are now offering Cummins ISX counter bore cutting! Call us today for any of your Cummins engine needs. (613) 498-4595...
06/11/2026

We are now offering Cummins ISX counter bore cutting!

Call us today for any of your Cummins engine needs. (613) 498-4595🧰

We have officially moved into our new garage!! While we still remain at the same address, our garage facilities have mov...
05/26/2026

We have officially moved into our new garage!! While we still remain at the same address, our garage facilities have moved to the back of the property.

+ a big thank you to everyone who made this happen! 😊

Annual Commercial Safety completed for Landex Earthworks Ltd on this beautiful day! ☀️Call us today at (613) 498-4595 fo...
04/22/2026

Annual Commercial Safety completed for Landex Earthworks Ltd on this beautiful day! ☀️

Call us today at (613) 498-4595 for your fleet safety & emission testing needs.

Completed a safety, DOC & DPF cleaning on this New Life Mills. Inkerman truck! ♻️Call us today at (613) 498-4595 for you...
04/03/2026

Completed a safety, DOC & DPF cleaning on this New Life Mills. Inkerman truck! ♻️

Call us today at (613) 498-4595 for your commercial fleet needs.

Address

Iroquois, ON
K0E1K0

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

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