Gearbox Repair for Critical Industrial Equipment

Yes. Many industrial gearboxes can be repaired when damage is limited to serviceable components such as gears, shafts, bearings, seals, or housings. A proper inspection determines the failure cause, condition of internal parts, and whether reconditioning, machining, or replacement components are appropriate. Even legacy gearboxes may be restored through reverse engineering and gear cutting when OEM support is unavailable.

Gearbox repair cost is determined by the unit’s size and design, the extent of damage, required machining, availability of parts, and turnaround requirements. An inspection is the most reliable way to establish a repair scope and estimate. Repairing or reconditioning serviceable components can often avoid the lead time and expense of replacing an entire industrial gearbox.

An industrial gearbox overhaul typically includes complete disassembly, cleaning, inspection of gears, shafts, bearings, housings, seals, and lubrication-related components, followed by repair or replacement of failed parts. The unit is then reassembled, lubricated, and performance tested. Houston Pump & Gear can also use precision machining, component reconditioning, and manufactured replacement parts when needed.

Repair time depends on the gearbox condition, the work required, and whether replacement components are readily available. A straightforward repair may move more quickly than a unit requiring reverse engineering, gear cutting, or extensive machining. For critical failures, Houston Pump & Gear offers 24/7 emergency support and expedited options; it has completed an emergency Lufkin gearbox repair within 72 hours.

Yes. Older gearboxes can often be restored even when OEM drawings, support, or replacement parts are no longer readily available. The repair team can evaluate the damaged components, capture required dimensions, and use reverse engineering, precision machining, shaft manufacturing, gear cutting, and refurbishment methods. This approach can extend the useful life of valuable legacy equipment.

Common gearbox failure causes include worn or damaged gears, bearing deterioration, inadequate or contaminated lubrication, shaft misalignment, seal failure, overload conditions, corrosion, and fatigue from continuous operation. Inspection and failure analysis identify the actual mechanism rather than simply replacing visible damage. Addressing the root cause helps protect the rebuilt gearbox and reduce the risk of recurring downtime.

Yes. Performance testing is an important final quality step after reassembly because it helps verify that the repaired gearbox is functioning as expected before return to service. Testing follows inspection, component repair or replacement, precision machining, reassembly, and lubrication. It provides a practical confirmation that the completed repair is ready to support the equipment’s operating demands.

Houston Pump & Gear provides 24/7 emergency industrial repair support for unexpected equipment failures and critical downtime. Emergency work can include rapid assessment, repair planning, expedited turnaround, and same-day pickup response using dedicated transport trucks. This service is designed for power plants, heavy industry, and industrial facilities that need to restore essential equipment as quickly as practical.