Crankshaft Forging Manufacturer in India
Shivam Forge is a specialized crankshaft forging manufacturer in India producing precision forged crankshafts and crankshaft blanks for diesel engines, petrol engines, agricultural engines, generator sets, marine engines and industrial compressors. We manufacture crankshafts in alloy steel and carbon steel grades to OEM specifications.
Sq. Meter Manufacturing Facility
Skilled Workforce
Quality Inspection
Fast Quote Response
Precision Forged Crankshafts
Crankshafts are among the most demanding components in any engine — subjected to bending, torsion, fatigue and impact loads continuously. Forged crankshafts provide the superior grain flow, fatigue life and mechanical strength that engine performance and reliability demand.
Crankshaft Forgings We Manufacture
Diesel Engine Crankshafts
Forged crankshafts for diesel engines used in agricultural, industrial and transport applications.
Petrol Engine Crankshafts
Precision forged crankshafts for passenger vehicle and light commercial petrol engines.
Generator Set Crankshafts
Heavy-duty forged crankshafts for diesel generator sets and stationary power units.
Marine Engine Crankshafts
High-strength forged crankshafts for marine propulsion and auxiliary engines.
Compressor Crankshafts
Precision forged crankshafts for industrial reciprocating compressors and pumps.
Custom Crankshaft Blanks
Forged crankshaft blanks and near-net forgings to customer drawing and specification.
Crankshaft Forging Materials
42CrMo4 / EN19 Alloy Steel
Most common crankshaft material offering excellent fatigue resistance and hardenability.
EN24 / 817M40
High-strength alloy for heavy-duty diesel and marine engine crankshafts.
C45 / EN8 Carbon Steel
Carbon steel for light-duty and small engine crankshaft applications.
C70 / 70Cr2
High-carbon alloy for crankshafts requiring deep surface hardness after heat treatment.
SAE 4340 Alloy Steel
Ultra-high-strength steel for performance and racing engine crankshafts.
Custom Engine Grades
Any crankshaft material grade per engine OEM and customer specifications.
Why Choose Forged Crankshafts
Superior Fatigue Life
Forged crankshafts last significantly longer than cast alternatives in engine service.
Optimal Grain Flow
Forging aligns grain flow with crankshaft stress paths for maximum fatigue strength.
Higher Strength-to-Weight
Forged crankshafts achieve required strength at lower weight than cast equivalents.
Induction Hardening Compatible
Forged alloy steel crankshafts respond optimally to induction hardening for journals.
Near-Net Blanks
Near-net forged crankshaft blanks reduce machining time and improve material utilization.
OEM Development
We develop crankshaft tooling from OEM drawings and support prototype to production.
Shivam Forge is a precision crankshaft forging manufacturer in India producing high-quality forged crankshafts and crankshaft blanks for diesel engines, generator sets, agricultural machinery, marine engines and industrial compressors. Our crankshaft forgings deliver the fatigue life and mechanical strength that demanding engine applications require.
Crankshafts are subjected to severe bending and torsional fatigue loads throughout their service life. Forged crankshafts — with grain flow aligned along the length of the crankshaft — exhibit significantly better fatigue resistance than cast alternatives. This is why all high-performance and long-life engine designs use forged crankshafts.
We manufacture crankshaft forgings in 42CrMo4, EN24, SAE 4340 and other alloy steel grades using closed-die hot forging with precise temperature control. Near-net forging geometries minimize machining allowance, reducing manufacturing cost and material waste while maintaining the full structural integrity of the forged component.
At Shivam Forge, we support engine OEMs, generator manufacturers, agricultural equipment companies and industrial machinery manufacturers with precision crankshaft forging solutions. Our engineering team can develop crankshaft forging tooling from customer drawings and support the complete product development cycle.
Frequently Asked Questions
What types of forged crankshafts does Shivam Forge manufacture?
We manufacture forged crankshafts for diesel engines, petrol engines, generator sets, marine engines, industrial compressors and custom engine applications.
What materials are used for crankshaft forging?
We use 42CrMo4, EN24, C45, SAE 4340, C70 and other alloy and carbon steel grades selected based on engine type and performance requirements.
Why are forged crankshafts better than cast crankshafts?
Forged crankshafts have aligned grain flow, superior fatigue resistance and higher strength than cast crankshafts, making them more reliable for high-performance and long-life engine applications.
Do you manufacture crankshaft blanks or finished crankshafts?
We manufacture both forged crankshaft blanks (near-net forgings) and CNC machined finished crankshafts depending on customer requirements.
Can you develop crankshaft forgings from OEM drawings?
Yes. We develop forging tooling from customer drawings and OEM specifications and support the full development cycle from prototype to serial production.
Do you induction harden forged crankshafts?
We can coordinate induction hardening of crankshaft journals and fillet areas in addition to our standard heat treatment services.
Can you manufacture crankshafts for agricultural diesel engines?
Yes. We manufacture forged crankshafts for tractor diesel engines, pump sets and agricultural machinery power units.
What is the typical crankshaft forging lead time?
Lead time depends on size, complexity and quantity. Contact us with your drawing for a specific timeline.
Do you supply crankshafts for marine engines?
Yes. We manufacture precision forged crankshafts for marine propulsion and auxiliary engines in high-strength alloy steel grades.
How do I get a crankshaft forging quotation?
Share your crankshaft drawing, material specification, engine type and quantity for a quotation within 24 hours.
Trusted forging manufacturer — Rajkot, Gujarat
Shivam Forge delivers precision hot-forged components from our integrated Shapar, Rajkot facility — covering forging, CNC machining, heat treatment, and quality inspection under one roof.
- Hot forging from quality alloy steel billets
- In-house CNC/VMC machining to drawing
- Heat treatment — normalizing, hardening, tempering
- CMM inspection and full quality certification
- Custom OEM forging from customer drawings
- Fast delivery from Shapar, Rajkot, Gujarat
- Export experience — Europe, Middle East, Americas
Factory Address
Plot No.3/B, Chaitanya Industrial Area, Shapar (Rajkot) – 360024, Gujarat