QSB6.7 Diesel Engine for Construction, Generator & Industrial Applications

The QSB6.7 is a next-generation high-performance diesel engine designed to meet EPA Tier 4 Final and EU Stage IV emission standards.
Featuring XPI ultra-high-pressure common rail injection, VGT turbocharging, and advanced aftertreatment systems, it delivers superior power density, fuel efficiency, and reliability for demanding industrial applications.

Technical Specifications

QSB6.7 Engine Models

Model Rated Power (kW@rpm) Max Torque (N·m@rpm)
QSB6.7-C130-30 99 @ 2200 580 @ 1400
QSB6.7-C155-30 116 @ 2000 622 @ 1500
QSB6.7-C215-31 160 @ 2500 888 @ 1500
QSB6.7-C220-30 164 @ 2200 949 @ 1500
QSB6.7-C260-30 194 @ 2200 990 @ 1500
QSB6.7-C260-31 194 @ 2400 990 @ 1500

The QSB6.7 diesel engine is a major performance upgrade over the QSB5.9 platform.

With a displacement of 6.7 liters, inline 6-cylinder configuration, and advanced electronic control architecture, the QSB6.7 integrates Bosch high-pressure common rail technology, and a complete aftertreatment system to deliver clean, efficient, and reliable power for modern equipment.

It has become the preferred engine choice for high-end construction machinery, agricultural equipment, and special-purpose vehicles.

Key Advantages

  • Significantly Higher Power Output
    Rated power typically ranges from 150 to 280 kW (200–375 HP), far exceeding the QSB5.9 platform.

  • Strong Low-Speed Torque
    Maximum torque of 1000–1400 N·m, ideal for heavy-duty and high-load applications.

  • High Power Density
    Compact size with outstanding power-to-weight ratio.

  • Low Operating Cost
    Optimized combustion and electronic control reduce fuel consumption and extend maintenance intervals.

Core Applications

  • High-End Construction Machinery
    Medium to large excavators, cranes, air compressors

  • Generator Sets
    Prime and standby power compliant power stations

  • Agricultural Machinery
    High-horsepower tractors and combine harvesters

  • Marine Applications
    Main or auxiliary engines for vessels requiring high emission standards

  • Special Vehicles
    Fire trucks, airport ground support equipment

Technical Specifications

QSB6.7 Engine Models

Model Rated Power (kW@rpm) Max Torque (N·m@rpm)
QSB6.7-C130-30 99 @ 2200 580 @ 1400
QSB6.7-C155-30 116 @ 2000 622 @ 1500
QSB6.7-C215-31 160 @ 2500 888 @ 1500
QSB6.7-C220-30 164 @ 2200 949 @ 1500
QSB6.7-C260-30 194 @ 2200 990 @ 1500
QSB6.7-C260-31 194 @ 2400 990 @ 1500

General Specifications

  • Engine Series:  QSB Series

  • Engine Type: Inline 6-cylinder, 4-stroke

  • Displacement: 6.7 L

  • Bore × Stroke: 107 mm × 124 mm

  • Aspiration: Turbocharged & Aftercooled

  • Turbocharger: Variable Geometry Turbocharger (VGT)

  • Emission System: EGR + DOC + DPF (SCR optional)

  • Cooling System: Water-cooled

  • Control System: Full Electronic Control (ECM)

 

Multiple configurations and emission solutions are available.
Contact us today for pricing, technical specifications, and delivery time.

Model

QSB6.7-C130-30

,

QSB6.7-C155-30

,

QSB6.7-C215-31

,

QSB6.7-C220-30

,

QSB6.7-C260-30

,

QSB6.7-C260-31

Rated Power (kW@rpm)

116@2000

,

160@2500

,

164@2200

,

194@2200

,

194@2400

,

99@2200

Max Torque (N·m@rpm)

580@1400

,

622@1500

,

888@1500

,

949@1500

,

990@1500

Series

ISD Series

Quality Assurance & Compliance

Warehouse Storage

Faq

Q1. What is your main products and business?

A: Our company's core businesses cover the entire process of diesel engine development, assembly, modification, maintenance, and testing; the production and R&D of explosion-proof engines; the supply of Cummins spare parts, as well as overhaul and testing services, etc

Q2. What is your packing terms ?

A: Neutral package with strong cartons normally , or according to your requirements.

Q3. What are your payment terms?

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

Q4. What are your delivery terms ?

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

Q5. 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.

Q6.Do engines come with a warranty? What is the warranty period? What does the warranty cover?

A:Yes, the warranty period is 6 months. Coverage includes core engine components. Wear-and-tear parts and failures caused by improper operation are excluded.

Q7. Do you accept engine customization? What is the minimum order quantity for customized products?

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.

Q8. Will the engines be tested before leaving the factory?

A:Yes, all engines undergo rigorous appearance inspections and comprehensive performance tests prior to delivery to ensure compliance with quality standards. We will also provide customers with detailed factory test videos and real-time shipping photos for full traceability.

Q9. How should quality issues be addressed upon receiving the engine?

A:Should you have any quality inquiries after receiving the goods, please contact our professional after-sales team in a timely manner and provide relevant photos and videos for verification. We will first provide efficient remote technical support to resolve your issues promptly.
For confirmed quality problems within the warranty period, we offer free repair, replacement of faulty parts or even full machine replacement services, with all associated logistics costs borne by our company.
For issues not attributable to our side, we still provide free technical guidance and supply matching spare parts; the cost of spare parts and related logistics shall be borne by the customer.