What is a double output gearbox?
A double output gearbox, also called a dual output gearbox, transfers input power through one gearbox to two separate output shafts. It is commonly used where two driven components must operate from the same power source at coordinated speeds or torque levels. Its internal gears, shafts, bearings, and housings must be correctly aligned and maintained to ensure reliable power distribution.
What does dual output gearbox repair include?
Dual output gearbox repair typically includes complete disassembly, cleaning, inspection, and failure analysis of gears, shafts, bearings, seals, and housing surfaces. Houston Pump & Gear evaluates which components can be reconditioned and which require replacement, machining, or manufacture. The assembly is then rebuilt, lubricated, and performance-tested before it is returned to service.
Can you repair obsolete dual output gearbox components?
Yes. When OEM parts, drawings, or manufacturer support are no longer available, Houston Pump & Gear can reverse-engineer damaged or obsolete components. The team can measure and analyze gears, shafts, housings, and other precision parts, then support their recreation through gear cutting, machining, or component manufacturing. This approach can extend the usable life of legacy industrial equipment.
How do you determine why a gearbox failed?
A failure analysis begins with a detailed inspection of the gearbox’s internal and external condition. Technicians assess gears, bearings, shafts, seals, housings, lubrication-related components, and evidence of wear or damage. The resulting service report documents the likely failure mechanism, required repairs, replacement parts, and recommended scope of work, helping customers make informed repair decisions.
How quickly can an emergency gearbox repair be completed?
Turnaround depends on the gearbox design, extent of damage, component availability, and machining requirements. Houston Pump & Gear provides 24/7 emergency support and same-day pickup response for critical situations. The team has demonstrated a 72-hour emergency repair of a Lufkin S2212C gearbox that returned a power plant from emergency shutdown to service.
Is a repaired gearbox tested before it is returned?
Yes. Testing and quality verification are part of the repair process after gearbox reassembly. This step helps confirm that the repaired or overhauled equipment is functioning at the expected performance level before it returns to the customer. Testing is especially important for dual output gearboxes because both output paths must operate reliably within the rebuilt assembly.
Can worn shafts and gears be restored instead of replaced?
In many cases, yes. Houston Pump & Gear inspects damaged components to determine whether reconditioning is appropriate. Worn shaft surfaces may be restored through metal spray and precision machining, while gears may be repaired or recreated through gear-cutting capabilities. Reconditioning can help control repair costs and extend equipment life when a component remains structurally suitable for restoration.
What maintenance helps prevent dual output gearbox failures?
Preventive maintenance should include inspection of gears, bearings, shafts, seals, housing condition, and lubrication systems. Monitoring developing wear, mechanical damage, and lubrication-related concerns can identify issues before they result in a major failure. Scheduled inspection also provides an opportunity to evaluate alignment and operating conditions that may affect the reliability of a dual output gearbox.