Southern Prime Diesel Services

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Southern Prime Diesel Services Diesel engine, truck, tractor and heavy equipment repairs and maintenance. Equipment diagnostics Hydraulic Hose troubleshooting and repairs. Hoses made on site.

Southern Prime Equipment Services LLC,


Our Repair and Maintenance Services include

Heavy Equipment Repair and Maintenance to keep your Equipment maintained and running. Preventative Maintenance
Parts stock available in order to speed up turn around times

Engine and Transmission repair and maintenance
Air suspensions, drivelines, clutches. Electrical troubleshooting and diagnostics available; Electrical range from Trailer wiring/lighting to Engine diagnostics
A/C Repair
Hydraulic Service and Maintenance available
Hydraulic Pump and Cylinders repairs. Light and Heavy duty truck and trailer repair

Tire mounting, balancing and 3 axle tractor/trailer alignments available on light duty and heavy duty trucks/equipment. Custom Welding and Fabrication available on all equipment to meet your needs
Accessory installations available. Welding repairs on all equipment. No job to small; Utility trailers, gooseneck and fifth wheel repairs and installations
Trailer tongue and axle repair/replacement available

Cryogenic Nitrogen Services

Nitrogen vessel maintenance and rehab
Pumping system maintenance and repairs
Medium and High pressure Nitrogen pump unit repairs and maintenance
Trailer testing and inspections
Vacuum testing and restoration
Piping inspection and leak repairs
Blast and paint service
Pressure building coil repairs
Accident damage repairs
Pony motor troubleshooting and repairs
Electrical systems
Suspension
Brakes
Axles
Air suspensions
Safety/SRV and pressure control valve maintenance and certification. Equipment/RV Storage available. Keep your equipment secured, on site, maintained and ready when you need it. Uncovered Storage Available.
24hr Video Surveillance. Maintenance, pre-pickup, and winterizing services available on all stored equipment.

10/17/2026

Southern Prime is proud to unveil our very first truck remount. Out with the old and in with the new. Converted from an old International chassis to a brand new Freightliner. All custom design & fabrication along with all new component installations. At just under a year this job was by far our biggest undertaking. A video can’t possibly show the complexity of it all. This was a joint effort for our whole team. Just a few more tweaks and testing and she will be ready for service.

Special thanks to our customer Goodbee Fire Department.

10/06/2026
09/26/2026

AMP RESEARCH accessories. Call to schedule your installation now.

09/26/2026

We are not just your run of the mill diesel repair shop. We pride ourselves on offering hundreds of accessories and upgrades from 100s of top name brand manufacturers.

We are now a proudly selling and installing AMP Research power steps for all available makes and models.

Give us a call or stop by and let’s get that upgrade you’ve been wanting scheduled.

Spent a day yanking the crank today. No pun intended.
09/17/2026

Spent a day yanking the crank today. No pun intended.

This old girl has worn a few parts to the bone but for a ‘93, it’s still rocking and rolling.
08/27/2026

This old girl has worn a few parts to the bone but for a ‘93, it’s still rocking and rolling.

Nominations are in and we are proud to announce that we are able to be in the runnings. Now it’s time to vote. We would ...
08/20/2026

Nominations are in and we are proud to announce that we are able to be in the runnings.

Now it’s time to vote. We would love for all of our customers to take the time to vote for us under “BEST VEHICLE SERVICE - BEST AUTO REPAIR SHOP. Voting is open until September 11, 2026. Your vote is greatly appreciated. Link below.

Showers this evening, becoming a steady rain overnight. Low near 75F. Winds WSW at 5 to 10 mph. Chance of rain 100%. Rainfall near a quarter of an inch..

08/01/2026

Facts

07/31/2026

Address

24379 Highway 190 E
Robert, LA
70454

Opening Hours

Monday 7am - 4pm
Tuesday 7am - 4pm
Wednesday 7am - 4pm
Thursday 7am - 4pm
Friday 7am - 4pm

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