Crankshaft Repair While Sailing – RA Power Solutions

RA Power Solutions is the first company to offer crankshaft grinding and polishing services while a vessel is sailing, using onboard, vibration-free portable equipment. This enables precision repairs without removing the crankshaft from the engine block, saving valuable time and reducing costs.

MAN B&W STX 6L23/30H
MAN B&W STX 6L23/30H

Case Study: MAN 6L32/40 Repair at Sea

  • Engine Model: MAN 6L 32/40, crankpin diameter 290 mm, bearing width 130 mm
  • Vessel sailed from Savannah (USA) to Panama during repair
  • All six crankpins showed excessive ovality (0.10–0.25 mm), well above the 0.03 mm tolerance
  • Hardness tests fell within acceptable limits; MPI crack checks revealed no anomalies
  • Technicians ground five pins by 0.5 mm and one by 2.0 mm due to localized damage
  • Post-repair, RA Power specialists assisted ship’s crew with connecting rod calibration
Crankpin Under Grinding Process
Crankshaft Polishing is in Process

Advantages of RA Power’s Onboard Crankshaft Repair

  • Utilizes latest-design portable grinding equipment, capable of close-tolerance machining. 
  • Enables crankshaft repair during sailing, minimizing vessel downtime and eliminating overhaul costs.
  • Offers 24/7 emergency service—technicians have valid seaman documentation and US visas for rapid deployment.
  • Provides practical, experienced advice based on over four decades in crankshaft repair, avoiding rejection or replacement.
  • Repairs damaged radius fillets and journals at no extra cost, offering one of the lowest-cost solutions in the industry .
Crankpin Under Test to Check Crack
Crankpin Under Test to Check Crack
Dye Penetrant Test of Crankpin

Why Choose RA Power Solutions?

  • Speed & efficiency: finish inspections and repairs onboard in under 48 hours.
  • Lower costs: no need for crane lifts, dry docking, or workshop transport.
  • Precision & reliability: strict adherence to manufacturer tolerances.
  • 24/7 availability: emergency interventions worldwide with minimal lead time.
  • Decades of trust: thousands of crankshafts repaired successfully across multiple continents .
Crankpin Ready After Grinding and Polishing

For more information about our services for grinding of crankshaft, crankshaft grinding and polishing services, crankshaft repair, and restoring crankshaft of compressor, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

RA Power Solutions is the first company to offer crankshaft grinding and polishing services while a vessel is sailing, using onboard, vibration-free portable equipment. This enables precision repairs without removing the crankshaft from the engine block, saving valuable time and reducing costs. Case Study: MAN 6L32/40 Repair at Sea Advantages of RA Power’s Onboard Crankshaft … Continue reading “Crankshaft Repair While Sailing – RA Power Solutions”