Skip to main content
Call
Talk to a Specialist
Emergency Support

Mining Equipment Repair
& Modernization

Every Hour a Crusher Is Down Is Tons You're Not Moving.

In mining, downtime has a number. Everyone on site knows what an hour of lost crusher capacity costs, what a conveyor failure does to shift tonnage, and what a SAG mill outage means for the week's processing targets. Equipment that fails at the wrong time doesn't just create a maintenance problem it creates a financial one.

Enprotech repairs, rebuilds, and modernizes the heavy equipment that mining and ore processing operations depend on crushers, mills, conveyors, screens, feeders, and the drives and controls that run them. With 85+ years of experience in heavy industrial environments, we know what this equipment faces and what it takes to bring it back without a longer outage than you planned for.

Tell us what equipment you're running and what's giving you trouble. We'll help you figure out what needs to happen.

Talk to an Enprotech Specialist
iStock-1331287205 (1) 8

What We Do for Mining & Ore Processing Operations

  • Jaw, cone, and gyratory crusher rebuild and repair.
  • SAG mill, ball mill, and rod mill component service — trunnions, shells, liners, and drives.
  • Conveyor system repair — pulleys, idlers, take-ups, and drive assemblies.
  • Vibrating screen, apron feeder, and ore handling equipment rebuild.
  • Gearbox, drive, and motor rebuild for continuous heavy-duty applications.
  • 24/7 emergency response when critical equipment goes down.

What Puts Mining Equipment at Risk

Mining equipment doesn't wear the same way other industrial equipment does. The loads are
heavier, the environment is harsher, and the consequences of a failure are measured in tons per
hour, not just repair cost.

Abrasion, Impact & Fatigue Under Extreme Load

Abrasion, Impact & Fatigue Under Extreme Load

Crusher mantles, concaves, jaw plates, mill liners, and conveyor pulleys work under impact and abrasion loads that most industrial equipment never sees. Wear accumulates fast. Fatigue cracks in crusher frames, shell deformations in SAG mills, and pulley lagging failures on conveyors develop over operating cycles and when they go, they usually go at the worst possible time.

Maintenance Teams That Can't Get Ahead

Maintenance Teams That Can't Get Ahead

When a crusher goes down unplanned, the maintenance crew is pulled off everything else to get it back up. Planned work gets deferred. Inspections get skipped. The next failure comes faster because the work that would have prevented it never happened. It's a cycle that most mining maintenance teams know well and it's expensive.

Aging Equipment With No OEM Support

Aging Equipment With No OEM Support

A lot of mining equipment has been in service for decades. The original manufacturer may be gone, parts may be discontinued, and the engineers who knew the machine's history may have retired. When a trunnion needs machining or a gyratory crusher requires a structural repair, finding a partner who can work from drawings or reverse-engineer to spec is the difference between a planned fix and a long outage.

How Enprotech Supports Mining
& Ore Processing Operations

wrench-and-screwdriver-settings-svgrepo-com 1

Crusher Rebuild & Repair

We rebuild jaw crushers, cone crushers, and gyratory crushers to restore structural integrity and crushing performance. Frame cracks get properly repaired not patched. Eccentric assemblies, main shafts, and mantle/concave seating surfaces are machined back to specification. A crusher that comes back from a rebuild should process at full capacity, not limp along at reduced tonnage.

Mill & Conveyor Component Service

Mill & Conveyor Component Service

SAG mill and ball mill trunnion bearings, shell repairs, and drive components wear in patterns that are predictable if you know what to look for. Conveyor pulleys, drive assemblies, take-up systems, and idler stations develop their own failure modes under continuous heavy-duty operation. We rebuild this equipment for the actual load cycles, abrasion exposure, and duty conditions of your specific operation.

Gearbox & Drive Rebuild

Gearbox & Drive Rebuild

Mining gearboxes whether on a crusher, a mill, a conveyor drive, or a screen run under shock loads and continuous heavy duty that accelerates gear and bearing wear. We rebuild gearboxes and drive assemblies for the application they're going back into, not for a generic spec. When it goes back in service, it's built for what your operation actually demands.

Gearbox & Drive Rebuild

24/7 Emergency Response

When a crusher trips, a conveyor goes down, or a mill drive fails mid-shift, we mobilize fast. Our field teams arrive with the machining, welding, and mechanical capability to assess the failure and start repairs immediately. A stopped crusher is losing tons by the hour we know that and we move accordingly.

wrench-and-screwdriver-settings-svgrepo-com 1

Crusher Rebuild & Repair

We rebuild jaw crushers, cone crushers, and gyratory crushers to restore structural integrity and crushing performance. Frame cracks get properly repaired not patched. Eccentric assemblies, main shafts, and mantle/concave seating surfaces are machined back to specification. A crusher that comes back from a rebuild should process at full capacity, not limp along at reduced tonnage.

Mill & Conveyor Component Service

Mill & Conveyor Component Service

SAG mill and ball mill trunnion bearings, shell repairs, and drive components wear in patterns that are predictable if you know what to look for. Conveyor pulleys, drive assemblies, take-up systems, and idler stations develop their own failure modes under continuous heavy-duty operation. We rebuild this equipment for the actual load cycles, abrasion exposure, and duty conditions of your specific operation.

Gearbox & Drive Rebuild

Gearbox & Drive Rebuild

Mining gearboxes whether on a crusher, a mill, a conveyor drive, or a screen run under shock loads and continuous heavy duty that accelerates gear and bearing wear. We rebuild gearboxes and drive assemblies for the application they're going back into, not for a generic spec. When it goes back in service, it's built for what your operation actually demands.

Gearbox & Drive Rebuild

24/7 Emergency Response

When a crusher trips, a conveyor goes down, or a mill drive fails mid-shift, we mobilize fast. Our field teams arrive with the machining, welding, and mechanical capability to assess the failure and start repairs immediately. A stopped crusher is losing tons by the hour we know that and we move accordingly.

wrench-and-screwdriver-settings-svgrepo-com 1

Crusher Rebuild & Repair

We rebuild jaw crushers, cone crushers, and gyratory crushers to restore structural integrity and crushing performance. Frame cracks get properly repaired not patched. Eccentric assemblies, main shafts, and mantle/concave seating surfaces are machined back to specification. A crusher that comes back from a rebuild should process at full capacity, not limp along at reduced tonnage.

Mill & Conveyor Component Service

Mill & Conveyor Component Service

SAG mill and ball mill trunnion bearings, shell repairs, and drive components wear in patterns that are predictable if you know what to look for. Conveyor pulleys, drive assemblies, take-up systems, and idler stations develop their own failure modes under continuous heavy-duty operation. We rebuild this equipment for the actual load cycles, abrasion exposure, and duty conditions of your specific operation.

Gearbox & Drive Rebuild

Gearbox & Drive Rebuild

Mining gearboxes whether on a crusher, a mill, a conveyor drive, or a screen run under shock loads and continuous heavy duty that accelerates gear and bearing wear. We rebuild gearboxes and drive assemblies for the application they're going back into, not for a generic spec. When it goes back in service, it's built for what your operation actually demands.

Gearbox & Drive Rebuild

24/7 Emergency Response

When a crusher trips, a conveyor goes down, or a mill drive fails mid-shift, we mobilize fast. Our field teams arrive with the machining, welding, and mechanical capability to assess the failure and start repairs immediately. A stopped crusher is losing tons by the hour we know that and we move accordingly.

When Equipment Goes Down, Every Shift Counts

A crusher failure mid-shift doesn't wait for a service team to be scheduled. A conveyor that goes down backs up the entire circuit behind it. When critical equipment fails, the priority is getting it back in service safely and as fast as possible.

We deploy field teams quickly to assess the problem and start repairs. We'll also identify what caused the failure so your team has a clear picture of what to watch and when to schedule the next preventive work.

Dealing with an equipment failure right now? Call us. We're available 24/7.

Talk to an Enprotech Specialist
When Equipment Goes Down, Every Shift Counts

What Mining Maintenance Teams Are Usually Dealing With

These are the things we hear most often from mining and ore processing maintenance teams:

  • A crusher that keeps failing at the same point and nobody's found the root cause.
  • Mill or conveyor components that were patched instead of properly rebuilt.
  • Gearbox or drive wear that's been managed around until it can't be anymore.
  • OEM parts that are discontinued or taking too long to source.
  • A maintenance crew that's always reacting and never getting ahead of the schedule.
  • Planned outage windows that aren't long enough to do the work that actually needs doing

If any of those sound familiar, that's where we start.

Why Mining Maintenance Teams
Trust Enprotech

We Find the Root Cause — Not Just the Failed Part

A crusher frame crack that keeps coming back has a cause. A gyratory that keeps throwing its mantle has a cause. Replacing the damaged component gets the machine running again but it doesn't stop the same failure from happening at the next scheduled outage. We look at the load path, the alignment, the surrounding structure, and the operating conditions to find what's actually driving the failure pattern.

We Find the Root Cause — Not Just the Failed Part

Rebuilt for What Your Operation Actually Puts on the Equipment

We don't rebuild mining equipment to a nameplate spec. We rebuild it for the ore you're processing, the throughput you're running, the shock loads your crusher actually sees, and the duty cycle your conveyor actually runs. A rebuild that holds up in the shop has to hold up in the pit or the processing facility those are very different standards.

We know where processing equipment fails-new

Work Planned Around Your Outage Window

Planned outages in mining are scheduled carefully and protected as much as possible. We work around those windows. We'll tell you what the rebuild scope is, what's realistic for the time you have, and what can be staged into a future outage if the scope is larger than the window allows.

HVAC - work around

You Know What's Coming After

When the work is done, you get documentation what we found, what we repaired, what the equipment was returned to, and what else needs attention on a timeline. That gives your maintenance team a clear picture going into the next planned outage instead of a question mark.

You Know What's Coming Next

What to Expect From Enprotech

Lifecycle and Inspection Programs

Lifecycle and Inspection Programs

We build inspection and rebuild programs around your maintenance calendar. That means tracking equipment condition between outages, planning rebuild scope in advance, and making sure the work that needs to happen gets scheduled before it becomes an emergency not after a crusher goes down mid-shift.

Multi-Site Support

Multi-Site Support

If you're managing equipment across multiple mine sites or processing facilities, we support standardized programs across locations. Same inspection approach, same rebuild quality, same documentation  whether it's one crusher or a fleet of conveyors spread across several operations.

Parts When the OEM Can't Help

Parts When the OEM Can't Help

A lot of mining equipment has outlived its OEM support. When parts are discontinued or unavailable, we reverse-engineer and manufacture replacements to original specification. You don't have to extend a planned outage because a part can't be sourced in time.

Fewer Emergency Calls Over Time

Fewer Emergency Calls Over Time

Mining maintenance teams that work with us on a planned basis see fewer unplanned equipment failures over time. Inspection programs, scheduled rebuilds, and parts planning keep crushers, mills, and conveyors in better condition between outages  so your crew is spending time on planned work instead of emergency callouts.

Lifecycle and Inspection Programs

Lifecycle and Inspection Programs

We build inspection and rebuild programs around your maintenance calendar. That means tracking equipment condition between outages, planning rebuild scope in advance, and making sure the work that needs to happen gets scheduled before it becomes an emergency not after a crusher goes down mid-shift.

Multi-Site Support

Multi-Site Support

If you're managing equipment across multiple mine sites or processing facilities, we support standardized programs across locations. Same inspection approach, same rebuild quality, same documentation  whether it's one crusher or a fleet of conveyors spread across several operations.

Parts When the OEM Can't Help

Parts When the OEM Can't Help

A lot of mining equipment has outlived its OEM support. When parts are discontinued or unavailable, we reverse-engineer and manufacture replacements to original specification. You don't have to extend a planned outage because a part can't be sourced in time.

Fewer Emergency Calls Over Time

Fewer Emergency Calls Over Time

Mining maintenance teams that work with us on a planned basis see fewer unplanned equipment failures over time. Inspection programs, scheduled rebuilds, and parts planning keep crushers, mills, and conveyors in better condition between outages  so your crew is spending time on planned work instead of emergency callouts.

Lifecycle and Inspection Programs

Lifecycle and Inspection Programs

We build inspection and rebuild programs around your maintenance calendar. That means tracking equipment condition between outages, planning rebuild scope in advance, and making sure the work that needs to happen gets scheduled before it becomes an emergency not after a crusher goes down mid-shift.

Multi-Site Support

Multi-Site Support

If you're managing equipment across multiple mine sites or processing facilities, we support standardized programs across locations. Same inspection approach, same rebuild quality, same documentation  whether it's one crusher or a fleet of conveyors spread across several operations.

Parts When the OEM Can't Help

Parts When the OEM Can't Help

A lot of mining equipment has outlived its OEM support. When parts are discontinued or unavailable, we reverse-engineer and manufacture replacements to original specification. You don't have to extend a planned outage because a part can't be sourced in time.

Fewer Emergency Calls Over Time

Fewer Emergency Calls Over Time

Mining maintenance teams that work with us on a planned basis see fewer unplanned equipment failures over time. Inspection programs, scheduled rebuilds, and parts planning keep crushers, mills, and conveyors in better condition between outages  so your crew is spending time on planned work instead of emergency callouts.

Frequently asked questions

How fast can you respond when a failure shuts down the circuit?

Our teams are available 24/7 and positioned across North America. When you call, we'll tell you what we can commit to — not what sounds good. A stopped crusher or conveyor is losing tons by the hour and we treat it that way.

Can you support multiple mine sites under one program?

Yes. We manage standardized support programs across multiple sites and asset types for consistency and documentation. Same inspection criteria, same rebuild quality, same approach — wherever the equipment is located.

Can you work on equipment the original manufacturer no longer supports?

Yes. A lot of our mining work involves legacy equipment — crushers, mills, and conveyors that have been in service for decades with no active OEM support. We reverse-engineer parts, rebuild to original tolerances, and manufacture replacements when originals aren't available.

What does an equipment health assessment cover?

We inspect critical components, wear surfaces, structural condition, bearing clearances, drive performance, and alignment. You get a written report — what's critical, what can wait, and what to monitor — so your team has a clear maintenance path before the next failure happens.

Can you modernize mechanical and electrical systems together?

Yes. We coordinate mechanical rebuild and controls modernization as one scope wherever possible. That means one outage instead of two, and equipment where the mechanical and electrical systems are aligned from the start. Updated controls also give your operators better visibility into equipment performance between outages.

Do you work in MSHA-regulated environments?

Yes. Our field teams are experienced working in mining environments and understand the safety requirements that apply to repair and service work at mine sites. We follow site-specific safety protocols and work within the requirements your operation has in place.

Don't Wait for the Next Crusher to Tell You It's Done.

Fatigue cracks in a crusher frame, a gyratory that keeps throwing its mantle, a conveyor drive that's running hot — these things have causes. Replacing the failed component gets the machine running again. Finding the cause keeps it running.

Tell us what equipment you're running and what's giving you trouble. We'll help you figure out what needs attention before it shows up as a lost shift.

Tell us what's giving you trouble. We'll fix it.

Talk to an Enprotech Specialist