ISB6.7 Electronic Diesel Engine

6.7L Displacement, Fully Electronic HPCR, 185–300 HP. Strong Torque, Low Fuel Consumption, High Reliability. Proven in Millions of Units Worldwide. Ideal for Trucks, Buses & Construction Equipment.

The ISB6.7 is a proven upgrade of the legendary B-Series platform, featuring a 6.7L inline 6-cylinder fully electronic design with over 1 million units in service globally. Powered by a high-pressure common rail (HPCR) fuel system and intelligent electronic controls, it delivers an unbeatable combination of power, fuel efficiency, reliability, and emissions compliance—making it the top choice for medium/heavy-duty trucks, buses, construction machinery, and specialty vehicles.
Core Specifications
  • Displacement: 6.7L
  • Configuration: Inline 6-cylinder, 4-stroke, water-cooled
  • Power: 185–300 HP (138–224kW)
  • Peak Torque: 700–1100N·m @ 1200–1600rpm
  • Fuel System: High-Pressure Common Rail (HPCR), electronic precision injection
  • Aspiration: Turbocharged & Air-to-Air Aftercooled
  • Emissions: China IV/V, Euro IV/V, EPA Tier 4i
  • Applications: Medium/heavy trucks, buses, construction equipment, power generation
Key Advantages
  1. Fully Electronic Intelligence for Optimal Performance & Economy

    Cummins electronic controls deliver precise fuel injection and combustion management, resulting in strong low-end torque, robust high-end power, and 8%–12% lower fuel consumption compared to mechanical pump engines.

  2. Proven Global Reliability

    Built on the B-Series platform with over 7 million units worldwide, the ISB6.7 features a reinforced structure, extended B10 life, and minimal downtime—ideal for long-haul and continuous operation.

  3. Low Maintenance & Operating Costs

    Modular design, extended service intervals, and globally available filters and wear parts ensure easy servicing, reduced downtime, and superior total cost of ownership.

  4. Leading Emissions, Global Compatibility

    A single base platform meets China IV/V, Euro IV/V, and EPA Tier 4i standards with minimal modifications, enabling seamless global deployment.

  5. Superior Environmental Adaptability

    Stable operation at high altitudes, extreme temperatures, and harsh conditions. Supports intelligent idle, cruise control, and on-board diagnostics for complex road and work scenarios.

Applications
  • On-Highway: Medium/heavy-duty trucks, coaches, city buses, sanitation vehicles, tow trucks
  • Construction: Loaders, excavators, rollers, concrete pump trucks
  • Specialty: Oilfield equipment, generator sets, marine auxiliary engines

Quality Assurance & Compliance

Warehouse Storage

FAQ

Q1. What is your main products and business?

A: Our core business covers diesel engine development, production, customized modification, maintenance and testing; explosion-proof engine R&D and manufacturing; Cummins spare parts supply, as well as engine overhaul and testing services.

Q2. What is your packing terms ?

A: Export-standard wooden box packaging

Q3. How about your delivery lead time?

A:The specific delivery time depends on the items and the quantity of your order. We will confirm it with your detailed order.

Q4. How to buy an engine?

A. Please provide us with your engine model, required rated power and speed, and application scenario. We will then recommend the most suitable model based on those information.

Q5. Do you provide engine customization? What's the MOQ?

A: We offer professional engine customization services and can fully tailor the products to your specific requirements, with a variety of options available for pricing, specifications and configurations. The minimum order quantity (MOQ) for customized engines is 1 unit.

Q6. Will the engines be tested before leaving the factory?

A:Yes, every engine is subjected to rigorous and comprehensive performance tests prior to shipment. We also provide clients with detailed test videos and electronic data.

Q7. What are your delivery terms ?

A: EXW, FOB, CFR, CIF,DDU,DDP.

Q8. What are your payment terms?

A: T/T, X Transfer, L/C, MoneyGram, PayPal, Cash etc

Q9.Do engines come with a warranty? What is the warranty period? What does the warranty cover?

A:Yes, the warranty period is 6 months, covering main engine components. Consumable parts and failures caused by improper operation are excluded.