Cummins Crankshaft Repair | Onsite Grinding of the Damaged Crankpin | Worldwide

A diesel generator set at a power plant on one of the Maldives' islands damaged the crankshaft of the Cummins QSK60-G4 engine.

The Cummins QSK60-G4 is a high-RPM, small engine. Someone notified the officials at the diesel power plant of the damage to one of the crankpins.

The details are as follows:

S. No.

Crankpin Details

 

1

Engine Make

Cummins

2

Engine Model

QSK60-G4

3

Crankpin Diameter Standard

120.65 MM

4

Crankpin Bearing Width

52+52=104 MM

5

Grinding of Crankpin Number

#03

6

Place of Execution of Grinding of Crankpin

Addu City, Hithadhoo.

7

Name of Shipping Company

Reputed Company from Maldives

8

Date Of Execution

20.03.2026 to 01.04.2026



To perform onsite grinding of the damaged crankpin with a standard diameter of 120.65 mm, RA Power Solutions created unique tooling that is compact and capable of grinding both the crankpin and the main journal of the crankshaft. Two technicians arrived in Addu City, Hithadhoo Island, Maldives, carrying a tiny, lightweight crankshaft grinding machine.

The following job was carried out:

i) The complete inspection of damaged crankpin number 3 was undertaken to assess the damage. The minimum and maximum sizes observed are as follows: 

  • Maximum Diameter – 120.65 mm

  • Minimum Diameter – 120.09 mm

The above shows an ovality of 0.56 mm, which is considered very high.

ii) The damaged crankpin number 3 was also subjected to MPI and hardness testing. Minor hairline marks were observed. The hardness observed was also on the higher side at a few scattered spots.

iii) The grinding of crankpin number 3 was undertaken using our specialized onsite crankshaft grinding equipment, and a final size of 119.63 mm was maintained.

RA Power Solutions can grind crankshafts as small as 80 mm in diameter on site. We can provide these services all over the world.

Bringing Your Cummins QSK60-G4 Crankshaft Back to Life | Fast & Reliable

The successful repair of the Cummins QSK60-G4 crankshaft shows that we need specialists in situ machining for high-performance engines that work in remote places, like island-based power plants. Cummins engines are known for their durability and quality, but when damaged, such as with a broken crankpin or surface faults, they require professional assistance with cutting-edge technology. RA Power Solutions ensured that it restored the crankshaft to proper working order without disassembling the engine. This saved the client a significant amount of time and money.

Wherever Your Engine Is, You Can Trust Cummins Crankshaft Repair Solutions

RA Power Solutions has been repairing Cummins crankshafts for decades and has developed tried-and-true methods for grinding, inspecting, and rebuilding critical engine parts on-site. Our team provides dependable and cost-effective solutions for Cummins diesel generators, marine engines, and heavy-duty equipment all around the world. Repairing the Cummins QSK60-G4 crankshaft in the Maldives demonstrates our expertise, quick response, and commitment to keeping engines running smoothly even in the harshest conditions.


We provide crankshaft grinding, in-situ crankshaft grinding, onsite crankpin polishing, damaged engine repair, and worldwide crankpin repair services, covering major industries and engine applications across SAUDI ARABIA, UNITED ARAB EMIRATES, QATAR, KUWAIT, OMAN, and BAHRAIN.

For your requirement of crankshaft grinding, in-situ crankshaft grinding, onsite crankpin polishing, damaged engine repair, or worldwide crankpin repair services, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com.

Source URL: https://rapowersolutions.com/BlogDetails.aspx?blogname=cummins-qsk60-g4-crankshaft-repair
Watch Our YouTube Video: https://www.youtube.com/channel/UCxcP2Jc6DGFdpBokIcxVyBg 
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