Diesel Generator Service & Repair in Portland, OR
Power Systems Plus provides diesel generator service, repair, and maintenance for commercial and standby systems in Portland, OR and surrounding areas including Gresham, Clackamas, and Wilsonville.
Our team works on diesel generators across critical facilities, businesses, and multi-property operations, ensuring reliable performance during outages and long-term system dependability.
We service major brands including Cummins, Kohler, Rehlko, Onan, and CAT generators.
We do not service portable or small residential generators.
Diesel Generator Service Requires Specialized Expertise
Diesel generators are built for larger loads, longer run times, and critical operations. Servicing these systems requires experience with fuel systems, cooling systems, and high-capacity electrical components.
Many generator repair companies do not work on diesel systems due to their complexity. Power Systems Plus provides diesel generator service, repair, and maintenance for commercial facilities, municipalities, and multi-property operations across Oregon.
If your diesel generator needs service, our team has the experience to diagnose issues and keep your system operating reliably.
Diesel Generator Service, Repair & Maintenance in Portland & Oregon
Diesel Generator Installation
We install standby diesel generators for commercial and backup power systems, including system setup, integration, and startup.
Preventive Maintenance & Annual Service
Routine diesel generator maintenance including fluid changes, filter replacements, inspections, and performance checks to keep your system reliable.
Diagnostics & Diesel Generator Repair
We diagnose and repair mechanical and electrical issues, including fuel systems, cooling systems, wiring, and generator components.
Load Bank Testing (2-Hour & 4-Hour)
We perform load bank testing to verify generator performance under load and help meet NFPA testing requirements.
Fuel System Services
Fuel polishing, filter replacement, and fuel system inspections to prevent contamination and maintain performance.
Remote Monitoring Setup
Setup and configuration of remote monitoring systems so you can track generator status, alarms, and performance.
Emergency Generator Service
Fast-response diesel generator service for outages and urgent repairs across Portland and surrounding areas.
Diesel Generator Brands We Service
We service diesel generators used in commercial facilities, municipalities, and industrial applications.
Power Systems Plus provides diesel generator service, repair, and maintenance for a wide range of commercial and industrial generator brands.
Our team works on major diesel generator systems, including:
- Cummins
- Caterpillar (CAT)
- Kohler Diesel
- Rehlko
- Onan
- MTU / Rolls-Royce
- John Deere-powered gensets
- Perkins
- Generac industrial diesel generators
If your generator brand is not listed, contact us to confirm service availability.
We Provide Diesel Generator Support for the Following:
• Commercial buildings & office complexes
• Warehouses & distribution centers
• Food processing & cold storage operations
• Rural homes & off-grid properties
• Multi-unit housing & apartment complexes
• Data centers & telecom infrastructure
• Construction trailers & mobile job sites
• Government buildings & emergency shelters
• Schools, universities & educational campuses
• Churches & community centers
• Manufacturing plants & industrial facilities
• Farms, ranches, and agricultural operations
• Greenhouses & irrigation systems
• Vacation homes with standby power needs
• Mobile home parks & senior living communities
• Water treatment plants & utility sites
• Hospitals & urgent care centers
• Fire stations & public safety infrastructure
• Retail plazas, gas stations & convenience stores
Diesel Generator Service Areas in Oregon
Power Systems Plus provides on-site diesel generator service, repair, and maintenance throughout Oregon for commercial and standby systems.
We serve businesses, facilities, and critical operations in:
- Portland
- Hillsboro
- Gresham
- Beaverton
- Salem
We also support diesel generator systems across Washington, Multnomah, Clackamas, Marion, and Yamhill Counties, including rural locations and critical facilities.
If you are searching for diesel generator service near you, contact our team to confirm availability in your area.
Why Choose Power Systems Plus for Diesel Generator Service & Repairs?
We say YES when others say NO. Diesel generators are our specialty, not a side service.
• Local, experienced diesel generator technicians serving Portland and across Oregon
• Trusted by Oregon businesses, facilities, and property owners who rely on backup diesel power
• On-site diagnostics and repair for standby, industrial, and large diesel generators
• Real support from a real Oregon small business
Don’t waste time with companies that won’t touch diesel. Call Power Systems Plus at (503) 357-3839 today for expert diesel generator service, repairs, and installation in Portland, Gresham, Lake Oswego, Beaverton, and across Oregon.