How to Find, Replace, and Purchase a Cummins Engine Model
Cummins engines are widely used in various machines and vehicles, and knowing how to correctly identify and replace them is essential for keeping equipment running smoothly. Whether you're replacing a worn-out engine or sourcing a spare, here’s a simple guide to finding and purchasing the right Cummins engine model.
1. Locate the Engine Data Plate
The most reliable way to identify a Cummins engine model is by checking the metal data plate attached to the engine block. This plate typically includes:
- Engine model (e.g., QSB6.7, ISX15, 6BT5.9)
- Engine serial number (ESN)
- CPL (Critical Parts List) number
- Date of manufacture
Common locations of the plate include:
- On the valve cover
- On the side of the gear housing
- Near the fuel pump
- On top of the aftercooler (for large engines)
2. Match Key Specifications
Once you have the model and ESN, it’s important to match technical specifications before purchasing:
- Displacement and horsepower
- Emission standard (Tier 3, Tier 4, Euro V, etc.)
- Application type (industrial, automotive, marine, etc.)
- Mounting and configuration requirements
This ensures compatibility with your existing equipment and minimizes downtime.
3. Replace or Rebuild
Depending on your needs and budget, you can choose to:
- Purchase a brand-new engine
- Buy a remanufactured or rebuilt engine
- Replace only major components(like short blocks or long blocks)
Make sure to use genuine Cummins parts to ensure quality and performance.
4. Buy from Authorized Dealers
Always source engines and parts from authorized dealers to guarantee authenticity, warranty, and technical support. A trusted dealer can also help verify compatibility using your engine serial number and advise on the most cost-effective solution.
JOZ – Your Cummins Engine Replacement Expert
JOZ is a Cummins authorized dealer offering a full selection of engines ranging from 2.9 to 60 liters and 60 to 2700 horsepower. We support various applications including dump trucks, excavators, oilfield machinery, loaders, and generators. JOZ maintains strong partnerships with Dongfeng Cummins, Chongqing Cummins, Deutz, HND, Weichai, and Yuchai to ensure reliable sourcing and after-sales support.