February 2017 - Connecting Rod Repair

Connecting Rod for Sale

We maintain a large stock of reconditioned connecting rods and new connecting rods of the following makes of diesel engines:

MAIN & AUX. ENGINES

MAN-B&W	Sulzer	Wartsila
MAK	Deutz	Pielstick
Mitsubishi	Daihatsu	Yanmar
Bergen	Niigata	Himsen
Fiat	Allen	Hanshin
MWM	Caterpillar	SKL
Ruston	Crepelle	Stork
Paxman	Mirrlees Blackstone	Alco, ABC, Crepelle, Nohab, etc.

Connecting Rod of Daihatsu Diesel Engine

Each connecting rod is passed through stringent quality control procedures by the technicians having more than 47+ years of experience. In case of any deviation, connecting rods are repaired in-house on the latest breed of special purpose machine.

Connecting Rod of MAK Diesel Engine for Sale

The big end of the connecting rod is re-bored and standard bore tolerance as specified in the manual is maintained. In case of small end, the bush is replaced by new one and re-bored to the standard size. Each connecting rod is subject to dimensional inspection and passes through the crack detection test by MPI. We don’t recommend repair of bend connecting rod or the connecting rods which has lost its alignment/straightness.

The connecting rods supplied are 1/3^rd the cost of new connecting rod resulting to the huge saving for the owners. For more information regarding engine connecting rods, crankshaft reconditioning, connecting rod replacement, marine engine spares, bearings for Yanmar engine, maintenance and repair services, and engine overhaul services email us at: rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQ

1. What types of connecting rods do you offer?
RA Power Solutions provides new and remanufactured connecting rods for marine, diesel, and industrial engines. We have parts for the main engine builders, including MAN B&W, Wärtsilä, Sulzer, MAK, Daihatsu, Yanmar, Caterpillar, Mitsubishi, Deutz, Bergen, and many more.

2. How are reconditioned connecting rods inspected?
Every remanufactured connecting rod is subject to a comprehensive quality inspection. The big end is bored out to standard specification, the small end bush is replaced and machined to the correct size, and the connecting rod is checked for dimensions and tested for cracks using MPI (magnetic particle inspection).

3. Do you repair damaged connecting rods?
Yes, RA Power Solutions fixes connecting rods with minor wear or damage. We don’t advocate correcting bent or misaligned connecting rods, though, as this could compromise engine performance and reliability.

We maintain a large stock of reconditioned connecting rods and new connecting rods of the following makes of diesel engines: MAIN & AUX. ENGINES MAN-B&W Sulzer Wartsila MAK Deutz Pielstick Mitsubishi Daihatsu Yanmar Bergen Niigata Himsen Fiat Allen Hanshin MWM Caterpillar SKL Ruston Crepelle Stork Paxman Mirrlees Blackstone Alco, ABC, Crepelle, Nohab, etc. Each connecting … Continue reading “Connecting Rod for Sale – RA Power Solutions”

In case of bearing failure or continuous running of the crankshaft, it develops bearing line marks, pitting, or rough surfaces. This requires polishing of the crankshaft, crankpin, and main journal.

A revolutionary in situ portable crankshaft polishing machine has been introduced by RA Power Solutions Pvt. Ltd., which is portable, lightweight, easy to operate, and can be taken to the site. The polishing of the crankshaft and crankpin is possible without removing the crankshaft from the engine block. We manufacture the onsite crankshaft polishing machine for diameters ranging from 50 mm to 700 mm.

The use of a crankshaft polishing machine removes bearing line marks and pitting. It also improves the surface finish as required by the manufacturer.

We provide free training to customers for a duration of one week. During this time, our team explains and demonstrates the operation and maintenance of the crankshaft polishing machine.

The cost of the machine is kept low, as it is the company’s objective that nobody should spend an exorbitant amount on polishing and grinding the crankshaft anymore, and sending it to the workshop. More than 60 machines are sold all over the world.

**Close-Up View of Crankshaft Polishing Machine After Packing**

**Packing in Progress Insitu Crankshaft Grinding Machine**

Our team developed the crankshaft grinding and polishing machine through consistent and focused R&D. We also conducted field trials under various operating conditions.

The company aims to reduce the cost of repairing crankshafts. It also seeks to eliminate the outdated practice of sending crankshafts to workshops. For more information on crankshaft polisher, crankshaft polisher machine, crankshaft polishing tool, crankshaft polisher for sale, polishing crankshaft journals, crankshaft polishing, crankshaft grinding machine, and crankshaft polishing equipment — contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.comCall: +91 9582647131 / +91 9810012383

We also have engine crankpin bearings available in our stock for various engine models from Wärtsilä, MAN B&W, Sulzer, Yanmar, Daihatsu, MAK, Caterpillar, Cummins, Deutz, Mitsubishi, Allen, Himsen, and Niigata.

FAQs:

1. Can the crankshaft be repaired without removing it from the engine?

Yes, RA Power Solutions designed the in-situ crankshaft polishing machine to operate directly inside the engine block through the inspection window. The process eliminates the need to remove the crankshaft. This approach saves both time and cost.

2. How long does it take to repair a crankpin or main journal?

Typically, technicians complete a full in-situ repair—including inspection, setup, grinding, and final polishing—within 24 to 30 hours. The exact time depends on the extent of the damage.

3. What types of engines can this machine be used on?

The portable crankshaft polishing machine is suitable for marine engines, power plant generators, compressors, diesel locomotives, construction equipment, and mining machinery. It is also ideal for other heavy-duty engines. The machine works effectively for both land-based and shipboard applications.

4. What is the diameter range this machine can handle?

The portable polishing machine can service crankshafts with a diameter range from 35 mm to 700 mm. Custom solutions are available for crankshafts up to 1000 mm in diameter.

5. How precise is the machine in terms of finish and tolerance?

The machine achieves a surface finish as fine as 0.15–0.2 µm Ra and maintains dimensional tolerances within 0.01 to 0.025 mm, meeting or exceeding OEM standards.

In case of bearing failure or continuous running of the crankshaft, it develops bearing line marks, pitting, or rough surfaces. This requires polishing of the crankshaft, crankpin, and main journal. A revolutionary in situ portable crankshaft polishing machine has been introduced by RA Power Solutions Pvt. Ltd., which is portable, lightweight, easy to operate, and … Continue reading “Portable Crankshaft Polishing Machine – RA Power Solutions”