Remanufactured Engines - Professional Engine Component Rebuilding

Looking for expert engine rebuilding services that restore your equipment to peak performance? Memorial Machine’s niche is servicing overhaul facilities that rebuild natural gas and diesel engines.

Memorial Machine specializes in remanufactured engines—specifically, we rebuild critical engine components to meet or exceed OEM specifications. We can handle all disassembly and reassembly, while we restore the components to like-new—or often better-than-new—condition before returning them for reinstallation.

Our rebuilt engine components deliver the performance of new parts at a more economical cost. Whether you need a single component rebuilt or multiple engine parts remanufactured, our state-of-the-art facilities and experienced technicians ensure every job meets the highest quality standards. From natural gas engines to diesel powerplants, we handle Caterpillar, Cummins, Waukesha, and other major manufacturers.

Our Remanufacturing Services

We’re a machine shop that offers comprehensive engine component remanufacturing for high-speed natural gas and diesel engine components. Our expert technicians work with all major engine manufacturers and components through engine restoration services.

Core Remanufacturing Services:

Caterpillar Engine

3300, 3500, and 3600 series components for mining, construction, and power generation applications

Cummins Engine

K Model and K19 series parts known for exceptional durability and long service life

Doosan Engine

11L and 22L series components for continuous-duty industrial and power generation equipment

Waukesha Engine

VHP, VRG, and specialty natural gas engine components with 30+ year service records

White Superior Engine

Heavy-duty 8G, 12G, and 16G series parts for demanding oil and gas applications

Core Remanufacturing Components Include:

Connecting Rods

Precision reconditioning with resize, rebushing, and balancing to ensure smooth operation

Engine Blocks

Complete block restoration including line boring, deck surfacing, and sleeve installation to restore original dimensions

Cylinder Heads

State-of-the-art reconditioning using advanced seat cutting, valve grinding, and surfacing technology for perfect sealing and optimal performance

Camshafts & Crankshafts

Expert grinding, polishing, and balancing using proven Magnaflux inspection methods

Water Pump Rebuilding

Complete overhaul of cooling system components

Oil Pump Rebuilding

Restore proper lubrication system pressure and flow

Rocker Arm Rebuilding

Precision restoration of valve train components

Exchange Components

Pre-rebuilt inventory ready for immediate shipment

Accessories

Complete range of gaskets, O-rings, bearings, bushings, filters, and fasteners to support your engine rebuilding projects

Every remanufactured component undergoes rigorous quality control and testing before leaving our facility, ensuring reliable performance in your critical applications.

Why Choose Memorial Machine

Service. Capabilities. Reputation. Ask a Memorial Machine customer what sets us apart and you’ll hear the same things again and again.

Our service is second to none. Hands-on owners are involved in the day-to-day, available to talk to you and help you get exactly what you need. Our fast turnaround times minimize your downtime. And our deep expertise in industrial engine rebuilding requirements mean we get it done right the first time.

Continuous process improvement ensures our capabilities lead the industry. We not only document our processes to ensure quality control, we invest heavily in the latest machinery for even tighter quality standards and efficiency.

Combine all that with a reputation for going the extra mile, and you can see why our customers keep coming back.

Contact Us

Ready to get the engine parts and components you need? Contact our team to discuss your requirements or get quotes on specific parts. We’re here to keep your engines running, regardless of manufacturer or age.

6303 S 40th W Ave, Tulsa, OK 74132

(800) 437-7986

Monday–Friday, 7 am–4 pm CT