Why Choose Northern Current Diesel

Keep your vessel’s propulsion at peak performance.

• Routine Engine Maintenance & Diagnostics
  Oil changes, filters, belts, hoses, and full system health checks.
   
• Engine Rebuilds (In-Frame Overhauls)
  Onboard engine overhauls restoring power, efficiency, and reliability without full removal.
   
• Engine Replacements & Repowers
  Complete swaps and repowers — including alignment, commissioning, and sea trials.
   
• Performance Tuning & Fuel Mapping
  Optimize power output and fuel efficiency for your operating conditions.
   

Reliable onboard power when you need it.

• Marine Generator Diagnostics & Repairs
  Troubleshooting, servicing, and replacing diesel gensets.
   
• Scheduled Generator Maintenance
  Oil & filter changes, coolant inspections, load testing, and electrical checks.
   
• Support for all major generator brands.
   

Power distribution, monitoring, and integration.

• Custom Control Panel Building
  Design and build marine-grade electrical panels for propulsion, generators, and auxiliary systems.
   
• Engine Harnesses & Wiring Upgrades
  Full rewiring, troubleshooting, and harness replacements.
   
• Battery Systems & Charging Solutions
  Testing, load balancing, isolators, alternators, and lithium/AGM conversions.
   
• Instrumentation & Displays
  Install and calibrate gauges, CANbus displays, and engine monitoring systems.
   

Keep your engines running clean and cool.

• Fuel System Inspections & Repairs
  Leak detection, fuel polishing, and replacing clogged lines or filters.
   
• Raw Water & Closed Cooling System Repairs
  Heat exchanger service, impeller replacements, and full cooling diagnostics.
   

Support for tugboats, workboats, and fishing vessels.

• Hydraulic pump and motor repairs
   
• Steering system troubleshooting
   
• PTO (power take-off) installs and servicing
   
• Shaft alignment and coupling inspections
   

Stay ahead of costly failures.

• Engine health reports
   
• Thermal imaging for overheating components
   
• Vibration analysis for shafts, mounts, and gearboxes
   
• Pre-trip inspections for fishing fleets and commercial operators
   

Modernize your propulsion system with better performance and efficiency.

• Steyr engine sales, installs, and commissioning
   
• Integration with ZF gearboxes, Bravo sterndrives, and jet drives
   
• Support for John Deere, Yanmar, FPT, Cummins, Kubota, Mitsubishi, and more
   

When downtime isn’t an option.

• 24/7 breakdown response
   
• On-site troubleshooting and repairs
   
• Mobile service truck stocked with common parts and tools
   
• Support for marinas, logging camps, fishing fleets, and tug operators
   

We prove it works.

• Full systems checkouts
   
• Engine performance tuning
   
• Propulsion load testing
   
• Documentation for warranty and insurance