Engine Reconditioning

Engine Reconditioning with Franklin Engineering

Trusted Engine Reconditioners

Franklin Engineering is one of New Zealand's most well-established engine reconditioning companies. We’ve served the greater Auckland area for over 40 years providing valuable services with our skilled automotive engineers. Our highly experienced machinists are experts in working with all heavy diesel engines. As one of the largest and most complete reconditioning shops in New Zealand, we have world-class equipment and machine tools for precision engineering. Our talent and expertise make us the one-stop shop for restoring your machinery back to optimal condition.

Top Quality Staff and Engine Parts

Heavy diesel vehicles are expensive and time-consuming to replace. It makes sense, for yourself and the environment, to extend their lives by reconditioning their engines. A remanufactured engine can be almost as good as a new engine, depending on the skill of the mechanic and the quality of the parts used in the rebuild. Franklin Engineering understands this. We only employ the best staff and source the top quality parts for each and every job we take on.

Unrivalled In-House Capabilities

Our shop provides a full range of services, from machining only to complete engine rebuilding and Dyno testing. Our skilled technicians can test and restore cylinder blocks, cylinder heads, crankshafts and conrods. And because we have an extensive parts department we can supply replacement engine parts at competitive prices. We can also custom-build components such as cylinder liners and piston rings. All work is done to your requirements. Please ask our friendly staff for a free estimate.

Diesel Engine Reconditioning

If your engine isn’t performing, sounding like it should or even working at all, engine reconditioning can bring it back to life. The Franklin Engineering team are engine reconditioning experts, with a specific focus on servicing heavy diesel engines. Whether your machine is used professionally, recreationally or domestically, we have the capacity to help.

Franklin Engineering understand that our customers often rely on their engines running smoothly for their livelihood. That’s why we make sure to do our job right, making sure each and every engine we recondition has long-lasting results, with a fast turnaround. We want your engine back in commision and back in reliable working condition as fast as possible.

Engine reconditioning is one of our primary services. We place special significance on our position as one of New Zealand’s top engine reconditioning experts. You can rely on us to get your machine working again.

Our Expertise

Franklin Engineering have comprehensive experience in working with almost every engine out there. Our team of passionate engineers’ expertise reaches across many makes and models of machines. As experts in heavy diesel engines, our specialties include:

  • Heavy transport vehicles
  • Earthmoving machinery
  • Agricultural equipment
  • Marine motors
  • Vintage vehicles
  • Light diesel and petrol engines

Why Choose Franklin Engineering?

We’re able to Handle any Engine Related Task

Alongside our wealth of knowledge and experience is our team’s passion for automotive engineering. We’re a “can-do” driven business with the enthusiasm to tackle any of the engine related jobs our customers bring to us. Equipped with the latest in-house technology and techniques, we’ve been able to stay at the forefront of the reconditioning industry through our commitment to providing the best service possible.

We Offer a Free Pick-Up and Delivery Service

Franklin Engineering also offers a free pick-up and delivery service to our Auckland based customers, allowing us to make it as stress-free as possible to get your engine reconditioned. Our work truly makes a difference to engine performance. Trust Franklin Engineering for any of your diesel engine related needs.

We’re Known and Trusted, Nationwide

As members of the American Engine Reconditioners Association, our customers choose us for the experience and knowledge of our skilled tradespeople, our competitive pricing and our fast turnaround times.

Our Mission

With our years of experience as leaders in engine reconditioning, Franklin Engineering consistently strive to bring to the best results for our customers. We source the highest-quality parts, using the latest technology and skilled techniques to get the best results.

Franklin Engineering has a tradition of excellence. We take pride in our work and constantly work to keep up-to-date with engineering developments as they happen. With a customer-centric focus and an eye for quality, trust Franklin Engineering for your diesel engine reconditioning.

Contact Franklin Engineering

Contact Franklin Engineering today for more information about our engine reconditioning services. We even offer a free pricing estimate to help you make informed choices for your engine. Our team are available during office hours by phone or email, or you can fill out the form below to request a callback. Get in touch with us today.

Further Services

As heavy diesel engine specialists, Franklin Engineering offers a number of automotive engineering services. Our skills and dedication to our work enable us to offer some of New Zealand’s leading specialised machinist work. We offer commercial, industrial and domestic engineering services from our Pukekohe based workshop.

Our Services Include:

  • Engine Balancing
  • Engine Parts
  • Metal Spraying and Refurbishing
  • Piston Rings
  • Honing

Other Services

  • Crack testing
  • Boring & power honing
  • Upper counter bore sleeves
  • Lower counter bore sleeves
  • Line boring & line honing
  • Sonic bore testing
  • All major & minor block work
  • Crack testing
  • Pressure testing
  • Full head work services
  • Crack repairing & welding
  • Schou crank grinders
  • 2 metre & 3 metre beds
  • Full grinding services
  • Seal track reclaiming
  • Front snout repairs
  • Damaged thread repairs
  • Full crack test & report service
  • Reclaiming of crankshaft journal back to standard
  • Full reconditioning services
  • Balancing
  • Large to small
  • Cylinder blocks large and small
  • Housings
  • Resleeving camshaft tunnels
  • Cylinder block
  • Hydraulic cylinders
  • Large to very small
  • Diamond stone honing
  • Any type of honing
  • Ferrous & non-ferrous metals
  • Ferrous & non-ferrous metals
  • Large acid bath
  • Dark room magnetic particle testing
  • Crankshafts
  • Blocks
  • Conrods
  • Heads
  • Gears
  • Truck suspension parts
  • Manufacturing piston and Hydraulic sealing rings
  • Re-sleeving diff housings
  • Driveshaft work
  • Alloy welding
  • Cast iron welding
  • Exhaust manifold repairs
  • Mill and lathe work
  • Manufacturing of cylinder liners
  • Machining of liner recesses
  • Crack testing
  • Manufacturing of liner shims for non liner shim blocks
  • On site measuring of block & crank’s
  • Inframe work
  • Liquid nitrogen onsite
  • Flexible Fiberscope (looking into bores etc)


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