
At RA Power Solutions, we deliver expert crankshaft grinding and repair services for marine engines, automotive engines, industrial machinery, pumps, and compressors. Our precision machining ensures optimal performance, extended lifespan, and reliable operation of your critical equipment.
Crankshaft Machining Expertise
The crankshaft is the backbone of engines and rotating machinery, comprising the main journal and crank pin. Our specialized grinding and polishing services restore these components to OEM specifications, ensuring smooth operation and durability.

Rigorous Inspection & Quality Assurance
Every crankshaft undergoes comprehensive testing before and after repair to guarantee safety and performance. Our inspection process includes:
- Magnetic Particle Inspection (MPI) – Detects surface and near-surface flaws
- Hardness Testing – Ensures material integrity
- Surface Roughness Testing – Verifies optimal finish for reduced friction

Precision Grinding & Polishing
Our advanced grinding and polishing services deliver:
- High dimensional accuracy
- Superior surface finish
- Strict adherence to OEM tolerances
Polishing removes bearing line marks and enhances surface quality for smoother operation.

Advanced Workshop Capabilities
Our state-of-the-art machine shop handles diverse crankshaft repairs, including:
- Crankshaft straightening
- Seal area rebuilding (using sleeves or metal spray technology)

Our Crankshaft Services Include:
- Crankshaft Grinding & Polishing
- In Situ Crankshaft Grinding
- Crank Pin & Main Journal Grinding
- Crankshaft Regrinding & Repair Custom
- Crankshaft Manufacturing
- Precision Inspection & Testing
- Crankshaft Straightening
Trust RA Power Solutions for precision-engineered solutions that maximize performance and reliability.