Diesel Engine Machine Shop in Baton Rouge

South Houston Engine has been proudly serving our fellow Baton Rouge residents and customers across the country since 1983. Our diesel machine shop holds full bonding, insurance, and licensing because as a locally operated and locally owned company, our customers’ peace of mind is paramount. Maintaining our sterling reputation is essential to us, which is why we carefully vet and select only the most qualified and professional individuals to join our team – which is evident in our A+ Rating from the Better Business Bureau. Our customers rely on us to deliver the highest quality craftsmanship with every diesel engine service, and our mission is always to exceed their highest expectations. We stand behind the quality of our work by issuing a written warranty for all engine and machine work to provide you with assurance and peace of mind. Contact us now to share your needs and find out why we’re recognized as the most reliable choice in the Baton Rouge community!

Diesel Engine Services

Diesel trucks are essential to the operation of our beautiful country, working tirelessly to provide us with necessities such as clothing, cars, food, and beyond. As they traverse across countless roads and highways, they bear the brunt of extensive wear and tear. Their engines, in particular, are susceptible to breakdowns because of the relentless usage they endure. Therefore, meticulous upkeep is necessary to preserve top-tier performance and dependability for these engines. In the event of critical diesel engine components malfunctions, the standard actions usually come down to repairing or replacing the engine. South Houston Engine stands out for our excellence in diesel engine rebuilding service. It’s a joy for us to efficiently get America’s esteemed truck drivers back in control of their critical machines and help them steer clear of any unproductive downtime.

Our qualified diesel engine repair experts are ready to apply their knowledge to the task, whether it’s a large V-12 Caterpillar or a small 2-cylinder Kubota. We will meet your demands on an individual basis, regardless of the complexity or size of your engine. We aren’t brokers or resellers – instead, we specialize in both engine production and diesel engine remanufacturing as part of our completely hands-on approach. Each engine that passes through our diesel engine machine shop is the result of our diligent craftsmanship. We realize the importance of getting your diesel truck back up and running quickly, which is why we provide shipping throughout the country at reduced freight rates, sharing our savings with our loyal customers.

As we rebuild the engine, we enforce strict quality measures to ensure that it meets or exceeds the criteria established by the original manufacturer specifications. Our dedication to quality is evident in the comprehensive testing regimen carried out before the engine is delivered, which ensures optimal reliability and performance. With precision and expertise, our specialists meticulously guide each stage of the process, ensuring thorough cleaning, accurate inspections, precise machining, and careful reassembly. Our detailed written warranties offer comprehensive coverage for all the services we offer to further ensure your complete satisfaction. Whether your diesel engine requires minor adjustments or extensive refurbishment, our capable team is here to deliver precise and proficient service.

Crack Detection with Sonaflux

Sonaflux crack detection uses specialized equipment to detect defects in components, like cylinder heads or engine blocks, using ultrasonic waves. Employing this method of non-destructive assessment guarantees the solidity of components, enabling swift interventions that prevent major malfunctions and enhance engine performance.

Counter Boring

Counter boring is a Baton Rouge diesel engine machining technique that forms recessed spots to accommodate larger seals, bearings, or fasteners in components such as engine blocks or cylinder heads. It guarantees accurate alignment and functionality, resolving issues such as defective bolt holes or creating level surfaces for valve seats or injector sleeves. The reliability of engine performance is closely linked to this task.

Jet Spray Cleaning

Utilizing high-pressure jets of water or solvent, jet spray cleaning effectively rids engine parts of oil, grease, dirt, and various other contaminants. Suited for intricate components, this method serves as an essential first step in the cleaning process before inspection, machining, or rebuilding.

Connecting Rod Reconditioning

Restoring connecting rods entails disassembly, cleaning, inspecting, resizing, and replacement of bearings if necessary to achieve precise alignment and minimize vibration. This crucial measure greatly extends the engine’s lifespan and is vital for preserving its reliability and performance.

Crankshaft Inspection

Crankshaft inspection entails extensively inspecting the crankshaft for indicators of wear, damage, or misalignment. This technique ensures the crankshaft’s stability and efficiency, which is critical to the engine’s lifespan and performance.

Electronic Bolt Extraction

Utilizing advanced electronic equipment, bolt extraction technology gently releases tightly secured bolts as it preserves neighboring components from harm. These instruments effectively employ controlled vibration or force, offering an efficient solution for removing bolts that are corroded or tightly fastened. They facilitate swift repairs and lower the probability of causing harm to components during disassembly or rebuilding.

Engine Block Rebuilding

The process of Baton Rouge engine block rebuilding entails taking apart, cleaning, inspecting, honing cylinder bores, and swapping out damaged parts. The goal of this method is to ensure operational efficiency and structural robustness, fostering consistent and trustworthy performance.

Cylinder Head Rebuilding

The process of rebuilding a cylinder head involves disassembly, cleaning, examining for damage, resurfacing or machining, replacing unusable parts, and reassembling. It is necessary for optimal engine efficiency, sealing integrity, and a long engine life.

Flywheel Grinding

Utilizing specialized machinery, flywheel grinding reinstates the original smoothness of the flywheel. This guarantees smooth clutch engagement, eliminates slipping, and upholds dependability. It’s a customary step during clutch replacement or diesel engine rebuilding in Baton Rouge to ensure performance excellence.

Block Boring

Block boring is a diesel engine machining process aimed at restoring cylinder dimensions and shape by addressing imperfections like scoring or scratches. This guarantees optimal sealing of the piston rings, improving engine efficiency and durability during rebuilds or overhauls.

Thermal Cleaning

Thermal cleaning techniques harness heat energy to clean components, including cylinder heads and pistons, of unwanted contaminants. Through the application of intense heat, the parts are cleansed of any buildup without relying on abrasive substances or chemicals. Utilizing this method ensures that components are adequately prepped for inspection, machining, or rebuilding.


Honing is a detailed procedure we perform in our diesel engine machining in Baton Rouge designed to enhance cylinder walls by eradicating imperfections, such as scratches and indentations. By achieving optimal oil retention and piston ring positioning, we guarantee top-notch engine performance and longevity.


Polishing involves refining surfaces to enhance their smoothness and decrease friction. It improves the performance and resilience of elements like crankshafts, camshafts, and cylinder heads.


By incorporating O-rings within the engine block or cylinder head, sealing performance is greatly enhanced. Its application is widespread in stopping the leakage of combustion gas or coolant.

Pressure Testing

Pressure testing includes putting engine components, such as engine blocks or cylinder heads, through high pressure to detect weaknesses or leakage and verify their dependability and integrity. Sealing quality is paramount in diesel engines because it directly impacts their ability to deliver peak performance and ensure safety.


Blasting (often called “sandblasting”) involves high-pressure projection of abrasive media onto engine components to remove contaminants. It’s frequently selected as a means to prepare components for rebuilding, inspection, coating, or painting.


Straightening involves correcting deformations in elements such as crankshafts or connecting rods and ensuring they are aligned properly so they can function properly. This process utilizes specialized equipment to return the component to its original form, thus improving engine performance and extending its lifespan.

Ultrasonic Cleaning

Ultrasonic cleaning involves the utilization of high-frequency sound waves to create turbulence in the cleaning solution, delivering exceptional cleaning results. By submerging engine components like injectors and valves, the waves can access tight crevices, effectively removing contaminants like carbon deposits. Utilizing this strategy effectively revitalizes parts, ensuring optimal engine function and extended operational lifespan.

Crankshaft Rebuilding

Crankshaft rebuilding revitalizes the fundamental revolving component of the engine. The process entails dismantling, cleaning, evaluating, refining, and replacing deteriorated components, like bearings. The aim is to ensure proper balance and dimensions, both of which are essential for optimal engine performance and longevity.


The surfacing process utilizes custom equipment to machine engine components like engine blocks or cylinder heads and achieve a smooth, flat surface. This process creates a consistent mating surface for gaskets, removing imperfections and enabling proper sealing for peak engine performance. Achieving surface consistency is key to ensuring the reliability and efficiency of repairs or rebuilds.


Grinding involves the machining or smoothing of surfaces, like crankshafts or cylinder heads, to remove imperfections or achieve precise measurements. The implementation of this technique ensures that engine components regain their original functionality and performance.


The process of balancing ensures that the connecting rods, pistons, and crankshaft are in perfect alignment and evenly weighted. By minimizing vibrations, it decreases wear, enhances durability, and improves overall performance. Balancing entails fine-tuning the weight distribution or arrangements of components, which proves indispensable for sustaining smooth operation and prolonged durability in engine rebuilding or repair tasks.

Align Honing

Exact alignment of main bearing bores is achieved through the meticulous process of align honing. Through the utilization of a honing machine, material is eliminated to ensure exact alignment and concentricity. Traditionally used in an engine overhaul or rebuild project, it resolves misalignment concerns typically attributed to wear or assembly discrepancies. It also optimizes performance and longevity by reducing friction.


Engine components are modified or shaped using milling, a machining method that removes material with a rotating cutter. Creating even surfaces, carving slots, or obtaining accurate measurements on elements such as crankshafts, engine blocks, or cylinder heads is vital to enhance functionality and adhere to specifications.

Align Boring

To correct deviations in alignment and dimensions within main bearing bores, we employ align boring procedures. It is an imperative step for maintaining frictionless crankshaft rotation and reaching peak operational efficiency. By tackling wear and misalignment, it ensures the engine operates smoothly throughout the diesel engine rebuilding process.


Magnaflux utilizes cutting-edge technology to reveal hidden flaws or defects within metal parts without damaging them. It begins by magnetizing the component, after which magnetic powder is applied to its surface. Any abnormalities in the surface of the metal will cause the powder to accumulate and allow for simple diagnosis by clearly highlighting the flaw.

Call South Houston Engine today at (713) 910-1212 and speak with one of our experts about how we can meet your diesel engine needs!