The MITSUBISHI S6R2 crankshaft (37520-25101) is the key rotating component inside the S6R2 engine, supporting continuous heavy-duty operation. It is a forged steel part designed to handle high torque and vibration, making it suitable for use in MITSUBISHI marine S6R2-T2MPTK/S6R2-PTAA-C, and other equipment powered by the S6R2 diesel engine.
Product Specifications of MITSUBISHI S6R2 crankshaft
|
ENGINE NO |
S6R2 |
Gross weight(kg) |
365 |
|
OEM/PART NO |
37520-25101 |
Length(mm) |
1510 |
|
Crankshaft Material |
Forged steel 42CrMo |
Engine type |
diesel engine |
|
Anti-rusty Coating |
Yes |
Hardness(HRC) |
HRC52-58 |
Features & Benefits –MITSUBMITSUBISHI S6R2 CrankshaftISHI S6R2 crankshaft
1. Stronger core
We buy 42CrMoA forgings shaped to our own pattern, then machine them in our factory. The tighter grain beats cast iron for bending and impact resistance.
2. Smooth journals
Every pin and main is ground to ±0.005 mm roundness and 0.4 µm Ra, so bearings seat first time and last longer.
3. Hard skin, tough heart
Induction hardening adds 3–5 mm of HRC 52–58 on the wear faces while the core stays ductile-no cracks after long shifts.
4. Cold-weather ready
Tested at –40 °C; power stays steady in Siberian winters.
5. Stock & custom
Common specs on the shelf within a week dispatch; non-stock journals or etched logos ready in under four weeks.
Quality and Testing
Every unit goes through multiple inspection stages: ultrasonic and magnetic testing for hidden flaws, hardness checks, and dynamic balancing. The balance test ensures the residual imbalance remains very low, so the engine runs with less vibration. For clients who need extra assurance, we can also provide third-party inspection reports.
Applications
Compatible models for MITSUBISHI S6R2 Crankshaft：
Marine: S6R2-T2MPTK/S6R2-PTAA-C
Packaging & Delivery
The crankshafts are packed in either plywood or raw wood. Anti-rust oil is applied as standard, and protective plastic caps are added to prevent damage during transport. For long-distance shipping, especially sea freight, an butter coating is available. Normally, stock models are dispatched within a few days.
(Plywood is used by default. raw wood is available at an additional cost.)
FAQ
Q1: Is this crankshaft suitable for all S6R2 MITSUBISHI engines?
A1: Yes, it is designed for the S6R2 MITSUBISHI and matches OEM reference 37520-25101.
Q2: How long does the MITSUBISHI S6R2 CRANKSHAFT usually last in operation?
A2: Service life depends on working conditions, but with proper maintenance, it typically runs much longer than cast versions.
Q3: Can I request third-party testing?
A3: Yes, we can arrange ISO or other certified lab reports if needed.
Q4: What is your warranty policy?
A4: We provide a 12-month warranty covering defects in materials and workmanship.
Q5: Do you accept urgent or small quantity orders?
A5: Trial orders are welcome, and for stock models we can ship within 72 hours.
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