Subject: Cummins QSV91G spare parts

Date: 29.5.2019 11:52:11

Details: Reviews 6

Dear Sirs,

Our company is working in Russia in the field of power generation. We are dealing with Cummins engines and spare parts and now we are looking the reliable supplier of spare parts for Cummins QSV91G gas engines. We are familiar with prices for spare parts for this engine and looking for the company which can provide "best-in-class" prices for QSV91G spare parts. If you have possibility to supply the spare parts for QSV91G with good prices, you are welcome to contact us by e-mail: .

Thanks in advance,

Best regards,

Denis Daryavin 

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Stark industrial solutions pvt ltd
5/12/2023 8:33:14 AM Pakistan

Hi, have a good day.

I need complete major overhauling of qsv91g1 generator engine natural gas operation. also it is requested to please share parts availablity along with price and lead time for shipment in pakistan. islamabad.

pratap singh
2/17/2023 4:48:09 PM Nigeria

we have required 60K maintenance of Cummins QSV91G 

Scott Swenon
1/3/2023 11:29:56 PM Canada

Hi Duane do you still have the QSV 91 engines?

John S
6/3/2022 8:10:58 AM Australia

Do you still have these units QSV91

if so please confirm engine rating etc


thanks John. 

duane briggs
8/4/2021 7:36:57 PM Canada

i have 6 complete qsv91-g engines for sale just removed from service last week 5 are running units

and 1 dropped a valve that hit the piston, if interested please let me know thank-you

prices very low


MD Abdul Mannan
30.5.2019 08:19:04 Bangladesh

Please send  me your e mail Id. I think the thinks you asked me to have.


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What is Cummins QSV91G Diesel Engine ?

The Cummins QSV91G is a high-performance diesel engine designed and manufactured by Cummins Inc., a leading producer of engines and power generation systems. The QSV91G is a high-speed, turbocharged, gas-powered diesel engine with 16 cylinders that offers a wide range of power outputs, ranging from 1600 kW to 2000 kW.

The QSV91G is designed for use in power generation, mining, oil and gas, marine, and other heavy-duty applications that require reliable and efficient power. It is built with a modular design that allows for easy maintenance and repair, and it is designed to operate in harsh environments with high altitudes, high temperatures, and extreme weather conditions.

The engine features advanced technology and innovative design elements that help it deliver optimal performance, efficiency, and durability. It is equipped with a high-pressure common rail fuel system, a combustion chamber that promotes efficient combustion, and an advanced electronic control system that optimizes fuel efficiency and emissions.

Overall, the Cummins QSV91G diesel engine is a powerful and reliable solution for a wide range of heavy-duty applications.

How is the Cummins QSV91G  Engine Overhaul ?

Overhauling the Cummins QSV91G engine involves a thorough inspection and replacement of its components to restore its performance and extend its service life. The specific steps involved in an engine overhaul may vary depending on the extent of the engine's wear and damage, but here are the general steps that are typically taken:

  1. Disassembly: The engine is disassembled to its component parts, including the cylinder head, pistons, connecting rods, crankshaft, and other components.

  2. Cleaning: The parts are cleaned thoroughly to remove any dirt, debris, or other contaminants that may have accumulated during use.

  3. Inspection: Each component is carefully inspected for wear, damage, and other issues that may affect its performance.

  4. Repair or replacement: Any worn or damaged parts are repaired or replaced as necessary, using genuine Cummins parts to ensure the engine's reliability.

  5. Reassembly: The engine is reassembled with the repaired or replaced parts and new gaskets, seals, and other components.

  6. Testing: The engine is tested to ensure it is running smoothly and meets Cummins' performance standards.

Overall, the engine overhaul process for the Cummins QSV91G is a complex and labor-intensive process that requires experienced and skilled technicians to ensure that the engine is restored to its original performance and efficiency.


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