QSZ13-G & QSZ13-C Engine
The QSZ13 engine integrates Cummins’ advanced technologies for superior performance in extreme conditions, featuring full electronic control, high-pressure XPI fuel injection, a three-stage fuel filtration system, a 50°C-capable cooling system, and a patented crankcase breather for cleaner operation, all while reducing emissions, improving fuel efficiency, and lowering operating costs with extended service intervals.
Cummins QSZ13 List
| Model | Rated Power (kW/rpm) | Cylinders | Displacement (L) | Control | Weight (kg) | Dimensions (LĂ—WĂ—H mm) |
| QSZ13-G2 | 400@1500 | 6 | 13 | Electronic | 1190 | 1467Ă—1100Ă—1382 |
| QSZ13-G3 | 450@1500 | 6 | 13 | Electronic | 1190 | 1467Ă—1100Ă—1382 |
| QSZ13-G5 | 411@1500 | 6 | 13 | Electronic | 1190 | 1467Ă—1100Ă—1382 |
| QSZ13-G6 | 328@1500 | 6 | 13 | Electronic | 1190 | 1467Ă—1100Ă—1382 |
| QSZ13-G7 | 367@1500 | 6 | 13 | Electronic | 1190 | 1467Ă—1100Ă—1382 |
Product Description
The Cummins QSZ13 engine series is built for one purpose — to deliver superior performance and durability in the world’s toughest environments. If you’re sourcing a high-performance, reliable diesel engine for construction equipment or power generation, Cummins QSZ13 series offers one of the most competitive solutions in the global market.
At Joz, we specialize exclusively in genuine Cummins engines and parts, backed by an experienced engineering and service team ready to support your installation and maintenance needs worldwide. The Cummins QSZ13 series, including QSZ13-G2, G3, G5, G6, and G7 variants, delivers reliable power and advanced technology for the toughest construction and power generation applications.
Genuine Cummins, authorized supply
Full technical support, worldwide dispatch
Long-term spare parts commitment
Custom configuration support
QSZ13-G2, G3, G5, G6, G7 (Power Generation)
QSZ13-C380 to QSZ13-C575 (Construction)
Heavy Equipment Fleet Owners
Construction Equipment Purchasers
Maintenance Managers & Engineers
Industrial Power Plant Operators
Generator Set OEMs
International Equipment Dealers
Engine Models & Specifications
| Model | Rated Power (kW/rpm) | Cylinders | Displacement (L) | Control | Weight (kg) | Dimensions (LĂ—WĂ—H mm) |
| QSZ13-C400-II | 298@1900 | 6 | 13 | Electronic | 1190 | 1567Ă—1200Ă—1482 |
| QSZ13-C450-II | 335@1900 | 6 | 13 | Electronic | 1190 | 1567Ă—1200Ă—1482 |
| QSZ13-C500-II | 372@1900 | 6 | 13 | Electronic | 1190 | 1567Ă—1200Ă—1482 |
| QSZ13-C550-II | 410@1900 | 6 | 13 | Electronic | 1190 | 1567Ă—1200Ă—1482 |
| QSZ13-C575-II | 429@1900 | 6 | 13 | Electronic | 1190 | 1567Ă—1200Ă—1482 |
Ideal for: Industrial Facilities， Remote Power Plants， Oilfield Power Stations， Disaster Relief Mobile Units， OEM Power Pack Builders
Key Features
| Key Advantage | Details |
| Full Electronic Control | Real-time monitoring, self-diagnostics, active protections |
| XPI High-Pressure Common Rail | Multiple precise fuel injections for cleaner combustion |
| Tiered Fuel Filtration | Three-stage protection prolongs fuel system life |
| 50°C Ambient Cooling | Reliable power in high-temperature work zones |
| Crankcase Breather | Zero oil mist discharge — cleaner worksite, safer environment |
| Long Service Intervals | Extended oil/filter changes reduce operating costs |
| Versatile Configurations | Supports both mobile construction and stationary power generation |
Applications
- Heavy-duty Construction Machinery: Excavators, bulldozers, loaders.
- Power Generation Sets: Standby and prime power in industrial and remote sites.
- Mining Equipment: Durable engine power in extreme underground and open-pit conditions.
- Marine & Agricultural Machinery: Versatile adaptability to different operating environments.
Engine Systems & Design
Fuel System
Utilizes Cummins’ XPI technology with multi-event injection for precise fuel delivery, optimizing combustion and minimizing fuel consumption.
Cooling System
Designed for continuous operation at ambient temperatures up to 50°C, employing high-efficiency radiators and a Coolpac integrated package for enhanced heat dissipation.
Air System
Heavy-duty air filters with optional cyclone pre-cleaners improve air intake purity, extending engine life under dusty or harsh conditions.
Lubrication System
High-capacity oil pumps and long-life oil filters ensure reliable lubrication, reducing wear and extending engine intervals.
Electrical System
SAE J1939-compliant CAN bus electronic control units allow seamless integration with modern monitoring and control systems, simplifying diagnostics and fault detection.
Exhaust System
Advanced crankcase ventilation and exhaust after-treatment options reduce harmful emissions, complying with global environmental standards.
Certifications & Compliance
- ISO 9001 Certified manufacturing and quality assurance.
- Meets or exceeds Tier 2/3 emission standards, with some models compliant to Tier 4 Final equivalents via optional after-treatment solutions.
- Designed to fulfill global regulatory requirements for construction and power generation engines.
Customer Support & Services
At Joz, we don’t just supply engines; we provide comprehensive technical support and installation assistance. Our certified engineering team is available worldwide for on-site visits and troubleshooting. We recommend submitting inquiries via our online form, email, or WhatsApp for fast, tailored responses.
