Cummins X15 Highway Engine
Cummins Engine | On-Highway | Parts Catalog
Cummins EngineOn-Highway
NewHot
15L next-gen highway engine with leading fuel efficiency
Technical Specifications
| Displacement | 15L |
| Configuration | Inline 6-cylinder |
| Power Range | 400-605 HP (298-451 kW) |
| Fuel System | 4th Generation XPI |
View Details
- Displacement: 15L Inline 6-cylinder
- Power Range: 400-605 HP
- Fuel System: 4th Gen XPI
- Applications: Heavy trucks, tractors
- Features: Latest generation highway engine
Certifications & Standards
ISO 9001:2015EPA 2021
Frequently Asked Questions
What is the relationship between the X15 and ISX?
The X15 is the successor to the ISX15, maintaining 15L displacement but with advanced 4th-generation XPI fuel system meeting EPA 2021 standards. Parts are not fully interchangeable. MSD supplies both X15 and ISX parts.
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