Rockstar Service
Need Aggregate or Quarry Equipment Maintenance? Let Kemper Impress with Our Rockstar Service

Kemper's ROCKSTAR Service team brings expert knowledge to install, start up, and repair most aggregate, quarry, and mining equipment. Our factory and safety-trained technicians know just about everything related to rock crushers, screeners equipment, aggregate washing equipment, and aggregate conveyors.
We combine our decades of equipment and parts experience with our innovative design and manufacturing to meet your specific needs. If you need repairs, quarry maintenance services, or upgrades for the system of your operations, Kemper can do that.
With our ROCKSTAR Service Program, Kemper also offers regular inspections, maintenance plans, and emergency service work after hours to keep your downtime to a minimum.
Keep Your Aggregate Production Plant Operating at Peak Efficiency
The cornerstone of our ROCKSTAR Service is a factory and safety-trained team of experienced aggregate equipment technicians. Our technicians can repair and maintain your essential crushing and screening equipment, aggregate conveyors, washing plant, and more. We also offer regular inspection and maintenance plans, as well as on-site training for your operators. With this training, your team will have a more thorough understanding of how your system operates with the best efficiency, and they will be able to tell when you need further inspections.

Crusher Maintenance
Regular crusher maintenance is essential to protect your equipment and maintain consistent production. Our team provides complete support for jaw crushers, cone crushers, impactors, and other crushing equipment.
Services include:
- Comprehensive inspections and performance assessments
- Crusher liner and component changeouts
- Adjustments and calibration of settings and clearances
- Bearing and seal replacements
- Lubrication system servicing and fluid analysis
- Rotor, shaft, and chamber repairs
- Rebuilds and refurbishments to factory standards
Whether you need routine maintenance or an emergency repair, our technicians bring the experience and tools to keep your crushers operating at peak efficiency.
Screen Maintenance
Your screening equipment plays a critical role in meeting production targets. We help you avoid downtime with preventative maintenance and repairs for all types of screens, including horizontal, incline, and high-frequency units.
Services include:
- Full inspections and condition reports
- Screen media and changeouts and tensioning
- Deck repairs and reconditioning
- Bearing, shaft, and drive replacements
- Vibration analysis and balancing
- Motor and gearbox servicing
- Structural repairs and retrofits
From minor adjustments to complete rebuilds, we ensure your screens deliver reliable performance shift after shift.


Conveyor Maintenance
Reliable material flow depends on conveyors staying in top condition. Our conveyor maintenance services prevent breakdowns and extend the life of your systems.
Services include:
- Belt inspections, tracking, and replacements
- Pulley, idler, and bearing replacements
- Drive motor and gearbox repairs
- Skirtboard, chute, and loading zone maintenance
- Alignment and tensioning adjustments
- Structural repairs and upgrades
- System retrofits and component upgrades
Our technicians are ready to support everything from emergency conveyor repairs to scheduled maintenance programs to keep your operation running smoothly.
Washing Systems Maintenance
Proper maintenance of your washing equipment is essential for producing clean, high quality material and protecting your investment. Our team services a full range of washing systems, including log washers, fine material washers, coarse material washers, classifying tanks, and dewatering screens.
Services include:
- Complete inspections and performance evaluations
- Replacement of paddles, flights, liners, and bearings
- Pump maintenance and rebuilds
- Spray bar cleaning and nozzle replacements
- Gearbox and motor servicing
- Belt and chain replacements
- Structural repairs and component upgrades
- System troubleshooting and efficiency improvements
Our experienced service team is ready to keep your washing equipment operating efficiently and producing clean, high-quality material.



Emergency Services, Preventative Maintenance, Rebuilds and Repairs
24/7 emergency repair services for aggregate processing and material handling equipment. From crushers and screens to conveyors and wash systems, our service technicians arrive ready to diagnose issues and perform critical repairs on-site.
Our preventative maintenance programs help you avoid unplanned shutdowns by scheduling inspections, lubrication, wear part replacements, and equipment adjustments. Regular maintenance keeps your crushing and screening equipment running reliably and extends the life of your investment.
When it’s time for more extensive work, we offer complete rebuilds and refurbishments to restore your crushers, screens, and conveyors to peak performance. Each rebuild is completed to precise factory standards and thoroughly tested before returning to service.
Our services include:
- Emergency troubleshooting and on-site repairs
- Crusher liner and components changeouts
- Complete crusher rebuilds
- Screen maintenance and rebuilds
- Conveyor belt replacements and drive repairs
- Gearbox, motor, and hydraulic servicing
- Custom preventative maintenance plans
- Machining capabilities through our strategic partnerships
With a focus on safety, fast response, and quality, we help aggregate producers keep their operations moving.

On-Site Service Training
When your employees need training on operating your aggregate equipment for peak efficiency and profitability—including learning how to perform daily maintenance tasks—Kemper is here to advise and educate. One of our experienced service technicians and/or a brand representative will travel to your location and train your employees on specific ways to operate, maintain, and get the most out of your aggregate equipment and aggregate production plant. Maximize output and profit by knowing how your machines work and keeping them running.
Need Aggregate Equipment Parts?
Get the parts and service your operation depends on. We supply a full range of high-quality replacement parts for aggregate equipment, including conveyors, crushers, screeners, and washing equipment.
If you’re not sure exactly what you need, our ROCKSTAR Service team can come to your site, troubleshoot equipment issues, and recommend the right parts to keep your system running at its best. From wear parts to critical components, we’ll help you source, install, and maintain the parts that keep your operation moving forward.
How Can Kemper Help You?
While we have the best quarry and construction aggregate equipment for any of your needs, we also deal with more than just quarry and construction equipment. We have parts experience and decades of knowledge about what works in this industry. Our innovations in design and our understanding of best manufacturing practices mean we can provide unique, exciting solutions to your production issues. We get it right the first time, every time.
For over 40 years, we have been working within our industry to design and build the best equipment systems and services for aggregate producers. We build relationships with the best manufacturers of aggregate, quarry, and mining equipment so we can translate those relationships into excellence for your business. Whether servicing a breakdown, designing a new conveyor, or teaching your employees how to maintain your equipment, we will come to you with a customized plan of action.
Our goal is to keep your downtime to a minimum and your output at its peak. Whether you need an entirely new system for material handling, general quarry maintenance, or want us to look over the design of your current operations for optimization, you can trust the process to us. Emergency service is also available, so no matter the day or time, Kemper is here to help.
Learn More About Our ROCKSTAR Service and Maintenance Plans
Need assistance with ongoing plant maintenance? Kemper will customize a service plan that helps you save money. Complete a contact form or call us today to discuss the ROCKSTAR service plan that's right for you.