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1400 West Kings Hwy Gap, PA 17527
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Heavy Equipment Repair Services

Are you a business whose commercial equipment is broken or in need of repair? Contact the Amish professionals at GMK today for all of your heavy equipment repair needs.

Our Commercial Equipment Repair Services

Only quality mechanics deliver quality services. Choose GMK today.

GMK Mechanical is a leader in heavy equipment repair and maintenance services. We specialize in repairing and maintaining a variety of equipment such as chippers, skid loaders, excavators, forklifts, trucks, boom lifts, and more. Our team of experienced professionals has the expertise to diagnose and repair problems quickly and efficiently. We have access to the latest and most advanced parts, tools, and equipment available on the market to ensure that all repairs are done correctly the first time. With our extensive knowledge and experience, we can make sure that your equipment is running smoothly and efficiently. We are committed to providing our customers with quality service and outstanding customer care. Our goal is to keep your equipment in top condition and to keep you up and running with minimal downtime. We stock Baldwin filters!



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GMK Mechanical Services
GMK Mechanical Services
GMK Mechanical Services
GMK Mechanical Services
GMK Mechanical Services

We Diagnose & Fix Heavy Equipment

Have a broken commercial vehicle, wood chipper, etc.? We fix it.
Electrical Diagnostics icon

Electrical Diagnostics

At GMK Mechanical, our team of highly trained technicians have years of experience and use the latest diagnostic equipment to identify and fix any electrical issue that arises with your equipment. We understand that time is money, so we make sure to get your equipment back up and running quickly and efficiently. Our technicians are also trained to diagnose and repair any electrical problems that may be affecting your equipment. We take pride in our ability to offer reliable and affordable services, both on and off-site, and our team is always available to answer any questions you may have.

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Suspension and Steering

GMK Mechanical is a trusted name in the commercial and construction equipment repair industry. We specialize in suspension and steering repairs, as well as other complex mechanical repairs. Suspension repairs include replacing worn shocks and struts, repairing or replacing control arms, and replacing worn-out bushings. Steering repairs include replacing worn-out tie rods, ball joints, and steering racks, as well as checking the alignment of the vehicle. It is important to inspect your suspension and steering components regularly, as worn or damaged components can cause an unbalanced ride and poor handling. We understand the importance of having reliable equipment on the job site, and we’ll make sure that you have the confidence to get the job done. Experience the GMK Mechanical difference today.

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Diagnostics and Tuning icon

Diagnostics and Tuning

GMK Mechanical is a full-service commercial and construction repair service, providing professional diagnostics and tuning for all types of construction vehicles and equipment. We specialize in repairing and servicing a wide range of different machines, from stump grinders to excavators and more. Our experienced team of technicians use state-of-the-art diagnostic technology to quickly and accurately identify and repair any mechanical issue. We also provide tune-ups for all types of engines and machinery, ensuring that they are operating at peak efficiency and performance. We are proud to offer our customers the highest quality repair services at competitive prices and can even perform repairs at your location. With our commitment to customer satisfaction, GMK Mechanical is the perfect choice for all your commercial and construction repair needs.

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Engine Repair and Rebuild icon

Engine Repair and Rebuild

GMK Mechanical is the premier mechanical commercial and construction repair service for engine repair and rebuilding. Our experienced team of professionals offers the highest quality of engine repair, servicing, and rebuilding services. We specialize in a wide range of services, from routine maintenance, to complete engine rebuilds. We use only the best quality parts and materials for all repairs and rebuilding projects. Our services include: engine overhauls, cylinder head repairs, carburetor rebuilds, fuel system repairs, timing belt replacements, valve adjustments, coolant or oil leak repairs, and more. We take pride in our work and strive to provide the highest level of service and customer satisfaction.

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HVAC and Radiators icon

HVAC and Radiators

HVAC and radiator repairs involve inspecting the parts for any damage, replacing damaged components, and performing any necessary repairs or replacements. An experienced mechanic like GMK Mechanical will be able to properly diagnose and repair your construction machinery's HVAC and radiator systems, ensuring that the machinery is running as efficiently as possible and without risk of overheating or breakdown. Our technicians are equipped with the latest tools and equipment to ensure a complete and effective repair. We provide prompt and reliable service to get your machinery up and running in no time and, also offer on-site mobile services where we come to your location for repairs, minimizing downtime.

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Transmission Repair

GMK Mechanical provides a comprehensive range of repair services, including transmission repairs. Transmission repairs for construction equipment are a crucial part of keeping construction equipment running smoothly and efficiently. Our highly qualified technicians are experienced with all makes and models of construction equipment, so no matter what type of machine you have, we have the skills and expertise to diagnose and repair any transmission issues. We offer a wide range of mobile and offsite services, from diagnostics to complete transmission rebuilds, so you can get the job done right the first time.

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Hydraulic Repair icon

Hydraulic Repair

GMK Mechanical has been providing commercial and construction equipment repairs and hydraulics repairs for many years. We specialize in the maintenance, repair, service and maintenance of all types of heavy equipment. Our technicians are experienced in the diagnosis and repair of hydraulics systems, and we have the ability to test and service all of your hydraulic components. We offer a wide variety of hydraulic repair and maintenance services, including fluid power components, pumps, valves, cylinders, seals, and more. With our extensive experience and expertise, you can trust us to provide you with the highest quality of service and repair.

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Automotive AC Repairs icon

AC Repairs

AC repairs can involve anything from diagnosing problems and finding the right replacement parts, to cleaning and replacing filters, and performing tune-ups to make sure all parts are working properly. It’s important to have a qualified and experienced AC repair technician, like GMK Mechanical, to handle the job. We will determine the root causes of your AC problems, suggest the best repair options, and make sure all parts are working properly before they are installed. Our services also extend to on-site repairs and installations. No matter the job, GMK Mechanical is the name to trust for AC repairs. With our commitment to customer service, you can be sure that you’ll get the job done right, the first time.

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Mobile Construction Equipment Repairs

GMK Mechanical is a mobile construction equipment repair service that comes to you! We provide a reliable and convenient service to our customers who need construction equipment repair and maintenance. We understand that having to take time out of your day to visit a garage can be inconvenient, so our mobile service means you can get your repair done quickly and on your schedule. We are committed to providing excellent customer service, and our goal is to get your construction equipment running as soon as possible so that you can get back on the road. We can handle all types of repairs, from engine and transmission problems to brakes, tires, and more. Our goal is to provide you with the best service possible, so you can feel confident that your equipment was fixed properly and in a timely fashion.

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Places We Love to Service

We travel across Lancaster County, Chester County, Delaware County, PA AND NJ!

Contact us and see if we can help service you. Below are some cities we commonly service near our shop at 1400 West Kings Highway, Gap, PA 17527.



Counties We Commonly Service

  • Bucks County, PA
  • Chester County, PA
  • Dauphin County, PA
  • Delaware County, PA
  • Lancaster County, PA
  • Lebanon County, PA
  • Lehigh County, PA
  • Montgomery County, PA
  • York County, PA


Cities We Commonly Service

  • Adamstown, PA
  • Akron, PA
  • Christiana, PA
  • Columbia, PA
  • Denver, PA
  • East Petersburg, PA
  • Elizabeth, PA
  • Elizabethtown, PA
  • Ephrata, PA
  • Lancaster, PA
  • Lititz, PA
  • Manheim, PA
  • Manor, PA
  • Marietta, PA
  • Millersville, PA
  • Mount Joy, PA
  • Mountville, PA
  • New Holland, PA
  • Quarryville, PA
  • Strasburg, PA
  • Terre Hill, PA
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