Premium Range
Crankshaft
MARINE DIESEL ENGINE CRANKSHAFTS – MAIN ENGINE & AUXILIARY/GEN-SET – NEW, RE-CONDITIONED & GENUINE SPARE PARTS
TypeForged Steel / Semi-built
MaterialHigh-tensile forged steel (42CrMo4, etc.)
Engine Types2-stroke & 4-stroke diesel
BrandsMAN, Wärtsilä, Caterpillar, Cummins, Yanmar, Daihatsu, MAK, etc.
Full Technical Specifications ▶
| Parameter | Value / Range |
|---|---|
| Construction | Fully forged, semi-built (shrink-fit), cast (smaller engines) |
| Material Grades | 42CrMo4, 34CrNiMo6, CK45, high-tensile alloy steels |
| Surface Treatment | Induction hardened journals & pins, nitrided, fillet rolled |
| Weight Range | 50 kg (small aux) – 200+ tons (large 2-stroke main engine) |
| Length | 1 m – 20+ m (multi-throw main engine crankshafts) |
| Balancing | Dynamic balancing, counterweights |
| Inspection / Certification | UT, MPI, hardness testing, class approval (DNV, ABS, BV, LR, NK) |
| Services Available | New OEM, reconditioned (grinding, polishing, metal stitching), spare throws, repair onsite |
| Applications | Main propulsion engines (2-stroke MAN, WinGD), auxiliary engines, emergency gen-sets |
High-quality marine crankshafts — new, reconditioned, or individual spare throws — for 2-stroke and 4-stroke diesel engines. Suitable for main propulsion, auxiliary generators, emergency engines, and propulsion systems. We supply OEM-compatible crankshafts and parts from MAN B&W, Wärtsilä (Sulzer), Caterpillar, Cummins, Yanmar, Daihatsu, MAK, Bergen, etc. Services include reconditioning (journal grinding, polishing, crack repair), hardness restoration, and class-approved testing. Full documentation and marine classification support available.
