Engine spare parts
Supply of engine spare parts and components for diesel engines, including scheduled maintenance packages for top end and major overhauls.
Mining sector
Engineering services and parts supply for mining
Alongside our work in the marine, offshore and oil & gas industries, we support the mining sector with electrical, switchgear, mechanical and rotating equipment services and parts supply.
Head officeWalvis Bay
Combined industry experience20+ years
Mobile serviceNamibia. Africa. International.
PowerTech for mining
The power, plant and process equipment that keeps a mine operating.
We provide practical engineering solutions for the maintenance, repair, refurbishment and overhaul of critical machinery, electrical systems and technical equipment.
Our capabilities span mechanical and electrical engineering, HV switchgear and protection systems, hydraulic systems, automation and instrumentation, rotating equipment and generators.
With more than 20 years of combined industry experience, our team brings practical, hands-on engineering knowledge to demanding environments. Our mobile service capability enables us to support clients on site throughout Namibia, Africa and internationally.
We support both planned maintenance programmes and shutdowns, and time-critical breakdowns, with a focus on quality workmanship, equipment reliability, operational continuity and reduced downtime.
Mining services
Five ways we support your site.
From switchrooms and substations to crushers, conveyors and generators, plus the parts to keep them running.
- 01
Electrical engineering
Installation, fault finding, maintenance, testing, commissioning, refurbishment and repair of electrical, distribution, automation and instrumentation systems.
↗ - 02
Switchgear & protection
HV switchgear maintenance and repair for site substations, plant switchrooms and processing facilities.
↗ - 03
Mechanical engineering
Maintenance, repair and overhaul of mining and processing plant equipment, including crushers, screens and conveyors.
↗ - 04
Rotating equipment & power generation
Motors, generators and alternators, pumps, compressors, gearboxes, transmissions and winches.
↗ - 05
Shutdown & breakdown support
Planned shutdown maintenance packages and time-critical breakdown response.
↗
01 / Electrical
Electrical engineering services
PowerTech provides practical electrical engineering services for mining and mineral processing operations. Our capabilities cover installation, fault finding, maintenance, testing, commissioning, refurbishment and repair of electrical, distribution, automation and instrumentation systems and equipment, with a focus on safety, reliability and operational performance.
What we provide
- Fault finding & electrical repairs: systematic fault finding, troubleshooting and repair of plant and site electrical systems and equipment.
- Electrical installation & rewiring: cable pulling, cable termination, rewiring, equipment installation and modifications to existing electrical systems in plants, workshops and site infrastructure.
- Insulation resistance testing: of cables, motors, generators, switchboards and other electrical equipment.
- Switchboard & distribution maintenance: switchboards, transformers and associated power equipment.
- Rotating electrical machinery reconditioning: electric motors, alternators and generators, such as those driving pumps, conveyors, fans and compressors.
02 / Switchgear & protection
Switchgear & protection system maintenance
PowerTech Engineering Services provides comprehensive HV switchgear maintenance and repair services for mining operations, including site substations, plant switchrooms and processing facilities. High-voltage switchgear requires routine inspection and maintenance to ensure safe, reliable and continuous operation of the plant it supplies.
Maintenance packages are tailored to the specific requirements and condition of each installation and can be scheduled into planned plant shutdowns. Our experienced teams work around production to minimise disruption and reduce equipment downtime.
The maintenance package covers
- Switchgear and busbars
- Current and voltage transformers
- Protection relays
- Automation and control systems
- Circuit breakers
Services include
- Condition assessment and inspection
- Cleaning and mechanical servicing
- Contact and connection inspection
- Lubrication
- Repair and refurbishment
- Electrical and functional testing against applicable specifications
03 / Mechanical
Mechanical engineering services
PowerTech Engineering Services provides comprehensive mechanical maintenance, repair and overhaul solutions for mining and processing plant equipment. Our capabilities cover scheduled and preventative maintenance, breakdown and emergency repairs, fault finding and complete equipment overhauls, with a focus on restoring reliability, performance and operational readiness while minimising plant downtime.
Capabilities
- Scheduled and preventative maintenance
- Breakdown and emergency repairs
- Fault finding
- Complete equipment overhauls
Scope of services
- Diesel engines & generator sets
- Gearboxes & drive systems
- Crushers, screens & conveyors
- Hydraulic & pneumatic systems
- Heat exchangers
- Pumps & water systems
04 / Rotating equipment
Rotating equipment & power generation
We maintain, recondition and test the rotating equipment found across mine and plant sites. We undertake inspections, fault diagnosis, corrective repairs and major overhauls, addressing mechanical wear, component deterioration and performance issues in accordance with applicable technical and manufacturer requirements.
For site power, we test and maintain generators and generator sets, including insulation resistance testing of windings and associated switchboards.
Equipment
- Electric motors
- Generators and alternators
- Pumps and compressors
- Gearboxes and transmissions
- Winches
Work undertaken
- Inspections and fault diagnosis
- Corrective repairs
- Major overhauls
- Reconditioning and testing
- Insulation resistance testing of windings
05 / Shutdown & breakdown
Plant shutdown & breakdown support
We support both planned maintenance programmes and time-critical breakdowns. For planned shutdowns, maintenance packages are tailored to the specific requirements and condition of the equipment, and our teams work around production schedules to minimise disruption and reduce equipment downtime.
When equipment fails, systematic fault finding and troubleshooting help us identify faults efficiently and restore reliable operation. Our mobile service capability enables us to support sites throughout Namibia, Africa and internationally.
Planned shutdowns
- Maintenance packages tailored to the equipment
- Work scheduled around production
- Testing to verify performance after maintenance
Breakdowns
- Systematic fault finding and troubleshooting
- Breakdown and emergency repairs
- Mobile service across Namibia, Africa and internationally
Mining parts supply
Procurement & parts supply for mining
PowerTech Engineering Services provides specialised procurement and supply services for mining and processing operations, with a strong focus on engine, electrical and rotating equipment spares, supporting operators and maintenance teams with reliable parts and efficient sourcing solutions.
Electrical
Supply of electrical parts and components for motors, generators, switchboards, switchgear, control panels and electrical systems.
Machinery & equipment supply
Supply of machinery and equipment including engines, gearboxes, pumps, generators and compressors.
Rotating equipment
Parts and components for rotating machinery, including winches, motors, generators, compressors, transmissions and associated equipment.
Send us your requirement
Part numbers, nameplate photos or specifications
Send them by WhatsApp or email and we will source to your requirement.
Mining brochure
Take the mining brochure with you.
An 8-page A4 PDF covering our mining services and parts supply. Marine and offshore services are covered in our marine brochure.
Mining photography from Unsplash (Unsplash License): Vladimir Patkachakov (open-pit haul trucks), Abdul Basit (excavator), Chris Münch (bucket-wheel excavator, Hambach), feifei liang (conveyor). Electrical, switchgear and equipment photography: PowerTech. Marine and offshore services, including propulsion, steering gear and DP & thruster control, are listed on our marine services page.
Let’s talk
Your engineering services, equipment and parts supply partner.
Send us your requirement by email or WhatsApp, or call the team in Walvis Bay.
