Crankshaft damage is one of the most critical issues faced by marine, power plant, and industrial engines. Wear, scoring, ovality, taper, or seizure of bearings can lead to unexpected shutdowns and costly downtime. RA Power Solutions offers crankshaft repair using advanced portable grinding and polishing machines, delivering precision repairs directly at the site without dismantling the engine.
RA Power Solutions has four decades of experience undertaking the grinding and polishing of crankshafts. We can undertake onsite grinding and polishing of crankshafts from 50 mm to 700 mm. A team of experienced technicians travels to the site with a lightweight, portable crankshaft grinding machine. They repair the crankshaft without removing it from the engine block.This saves time and the cost involved in the disassembly of the crankshaft, packing, and transportation of the crankshaft to the workshop.


Worldwide, the repair of the Portable Grinding and Polishing Machine crankshaft in the workshop is outdated. We depute our technicians all over the world with portable equipment for the repair of crankshafts. The repair is executed strictly as per the manufacturer’s specifications and tolerances. The crankshaft repairs are guaranteed for satisfactory performance.


The recent introduction of vibration-less portable onsite crankshaft grinding machines enables us to execute crankshaft repair while the vessel is sailing.
Our technicians have seaman passports, and they can board the vessel from one port and disembark from another port. Thus, saving the cost of anchorage or stay at port.


We also manufacture crankshaft grinders that are competitively price and easy to operate. We recommend these revolutionary machines for shipping companies, repair workshops, and heavy engineering companies.
For more information of the Portable Grinding and Polishing Machine, call us at +91 124 – 4378292, +91 9582647131, or email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com.
Portable crankshaft grinding is an in-situ repair method that restores damaged crankpins and journals without removing the crankshaft from the engine.
It reduces downtime, avoids engine dismantling, and ensures precise repairs directly at the site.
Yes, RA Power Solutions can repair large-diameter crankshafts using specially designed portable machines.
Yes, polishing improves surface finish, reduces friction, and increases bearing life.
Marine, power plants, cement, steel, oil & gas, and heavy industrial sectors benefit from portable crankshaft repair services.