Accessory Shop

When critical engine components fail or don’t meet your growing expectations, replacement costs can be substantial, and the downtime is frustrating as you source new accessories.

Collicutt’s accessory shop specializes in component rebuilds, including cylinder heads, water pumps, and much more. Our state-of-the-art machining capabilities and experienced technicians restore components to OEM specifications, often at a fraction of the cost and time required for new parts.

Our Accessory Shop is purpose-built for high-quality, in-house rebuilds of engine components and transmissions. Staffed by experienced technicians and backed by state-of-the-art equipment, this division plays a critical role in supporting our engine and frac equipment rebuild programs — delivering precision, speed, and cost efficiency.

Transmission Rebuild Capabilities

Our team rebuilds dozens of transmissions each year, including CAT TH48 and TH55 models that are later swapped directly into units in our frac shop. Each rebuild follows a rigorous inspection and testing process, and every transmission is verified on our live-load transmission test stand to confirm operating pressures across all gear ranges before it ever returns to the field.

We maintain a robust stock of core transmission parts, giving us the flexibility to move quickly and reduce dependency on suppliers. This allows for fast turnaround times and cost-efficient service — two things our customers consistently value.

We also offer a component exchange program: customers receive a rebuilt transmission or part immediately, while their used component is returned to us for inspection, rebuild, and future deployment. It’s an efficient loop that minimizes downtime and maximizes value.

Engine Component Rebuilds

Collicutt’s Accessory Shop isn’t limited to transmissions. Our technicians rebuild a wide range of engine components with the same level of precision and care, including:

  • Power take-offs (PTOs)
  • Scavenge pumps
  • Specialty engine accessories
  • Cylinder heads (seat cut using a state-of-the-art machine, accurate to within 2/10,000 of an inch)
  • Water and lube pumps
  • Gear trains

When a malfunctioning engine or generator doesn’t require a full overhaul, our component rebuild approach offers a cost-effective, time-saving alternative. Rather than replacing the entire unit, we identify and repair the core issue, getting the equipment back into service faster without sacrificing performance.

Quality Assurance and Testing

Every rebuilt component undergoes rigorous testing to ensure it meets or exceeds original performance specifications. Our thorough quality control process includes dimensional verification using precision measuring equipment, pressure testing for components that handle fluids, and performance testing under simulated operating conditions. Additionally, we conduct visual inspections to assess finish quality and workmanship, and we document all rebuild procedures and specifications to maintain our high standards.

Integration with Field and Shop Services

Our accessory shop services integrate seamlessly with our field and shop service operations. Components can be removed during routine maintenance or emergency repairs, rebuilt in our shop while other work continues, and reinstalled to minimize total downtime.

With our services working together seamlessly, we are able to plan component rebuilds during scheduled maintenance windows, preventing unexpected failures and optimizing equipment availability.

Always Up to the Challenge

Collicutt prides ourselves on being problem-solvers. We don’t shy away from difficult or unconventional component rebuilds. We just need time to assess, engineer, and execute the solution. It’s this mindset that keeps our Accessory Shop evolving and our customers coming back.

Choosing Collicutt for Your Accessory Needs

  • In-house rebuild expertise
  • Extensive parts inventory
  • Fast turnaround and reduced reliance on third-party suppliers
  • Live-load testing for transmissions
  • Exchange program to reduce downtime
  • Industry-aligned rebuild standards
  • A team that says “yes” to a challenge

Collicutt’s accessory shop team is ready to restore your critical engine components to peak performance, saving you time and money compared to replacing them with new parts. Contact us today to start planning your component rebuild requirements. 

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