• Engine Assembly 4045-5
  • Engine Assembly 4045-5

Engine Assembly 4045-5

The JX4D24 is a high-performance, low-emission diesel engine series independently developed by Jiangling Group. Widely equipped in light trucks, pickup trucks, light buses and some SUV models under Jiangling Motors, it ranks among the core products in Jiangling's commercial vehicle power sector.
  • Engine Assembly 4045-5

Description

Functional Adaptation for Commercial Vehicle Powertrains

Engine Assembly 4045-5 serves as a versatile power source tailored for light trucks, pickups, and light buses within demanding commercial vehicle markets. This inline 4 cylinder diesel engine is engineered by advanced diesel engine manufacturers with priorities on extended durability and regulatory compliance. Truck engine manufacturers rely on this assembly for its compatibility with diverse chassis platforms and vehicle architectures, enabling fleet operators and system integrators to maintain consistent performance levels and optimize operational costs through reliable power delivery aligned with National VI emissions standards.

Precision Engineering and Emission-compliant Technologies

The engine assembly features a 2.4-liter displacement unit equipped with a high-pressure common-rail fuel injection system sourced from Bosch or Delphi, which ensures precise fuel atomization and combustion control. This turbo diesel engine integrates water-cooling alongside turbocharging and intercooling options to enhance thermal efficiency and power density. The engine outputs range from 90 to 110 kW of power and torque values spanning 360 to 420 Nm. Emission control is accomplished via EGR and a comprehensive after-treatment system utilizing DOC, DPF, and SCR technologies, meeting stringent National VI b standards and preparing users for future regulatory frameworks.

Industry Integration and Application Value in Vehicle Fleets

Widely employed by truck engine manufacturers and vehicle assemblers, this engine assembly supports a wide variety of applications in regional transport and light commercial vehicle segments. Its design facilitates comprehensive integration within powertrain systems requiring balance between fuel efficiency and torque flexibility. Operators benefit from reduced emissions and improved fuel economy, contributing to compliance with local environmental regulations and enhancing the sustainability of fleet operations. This modular engine assembly fits both new vehicle manufacture and aftermarket replacements, serving maintenance workshops and OEMs with system reliability and parts availability.



Product Advantages

Structural and System Design Benefits

The Engine Assembly 4045-5 exhibits a modular inline 4-cylinder configuration optimized for integration simplicity across various truck engine platforms. The design incorporates standardized mounting points and interfaces, allowing truck engine manufacturers to streamline assembly and reduce vehicle production complexity. Integration of a turbo diesel engine setup, with optionally intercooled variants, supports scalable powertrain configurations to meet diverse application needs. The use of established components such as Bosch or Delphi high-pressure common-rail systems ensures compatibility with existing diagnostic and control architectures, facilitating maintenance and system upgrades.

Performance and Operational Efficiency Features

From a performance perspective, the engine assembly maximizes usable torque across a wide rpm range, providing improved load response and drivability for commercial vehicles. The turbocharging enhances power delivery without compromising fuel efficiency, important for minimizing operational costs in logistics and transport fleets. Compliance with National VI emission regulations through advanced after-treatment technologies demonstrates the engine’s low environmental impact while maintaining operational robustness. This engine’s design also simplifies maintenance procedures and reduces downtime, delivering predictable value to fleet operators focused on reliability and total cost of ownership.




I. Basic Orientation & Features

Type: In-line 4-cylinder, water-cooled, turbocharged (intercooled in some variants) diesel engine.
Displacement: Around 2.4 liters (the exact displacement may vary slightly by specific sub-models).
Core Features: It achieves an excellent balance among power performance, reliability, fuel economy and emission standards, meeting the increasingly stringent National VI (and even higher future-level) emission regulations.
Technical Route: It adopts advanced technologies including a high-pressure common rail fuel injection system, turbocharged intercooling technology, exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) to optimize combustion efficiency and reduce emissions.

II. Main Technical Parameters (Taking a Typical National VI Model as an Example)

  • Emission Standard: National VI b
  • Maximum Power: Generally ranging from 90kW to 110kW (approx. 120 to 150 horsepower), with variations across different tuned versions.
  • Maximum Torque: Typically between 360N·m and 420N·m, featuring a broad torque curve and ample low-speed torque, ideal for load-carrying and starting scenarios.
  • Bore × Stroke: The design prioritizes low-speed torque output and long-term durability.
  • Fuel System: Bosch or Delphi high-pressure common rail system, delivering high injection pressure and excellent fuel atomization.
  • After-treatment System: DOC + DPF + SCR configuration, designed to treat particulate matter and nitrogen oxides (NOx) in exhaust gas.

III. Main Application Models

The JX4D24 is a versatile engine, mainly assembled in the following vehicle types:
  • Light Trucks/Light-Duty Freight Vehicles: Such as Jiangling Kaiyun, Shunda and Kairui series. This represents its primary application field, catering to urban logistics and township freight transportation needs.
  • Pickup Trucks: Including some diesel variants of Jiangling Yuhu 7 and Yuhu 9, providing robust power for off-road driving and cargo hauling.
  • Light Buses/MPVs: For instance, certain localized diesel-powered versions of Jiangling Teshun and Ford Transit New Generation (subject to specific vehicle configurations).
  • SUVs: A small number of rugged or utility-oriented SUV models may also be equipped with this engine.



Use Scenarios

Integration Within Light Truck Assembly Lines

In light truck manufacturing facilities, the Engine Assembly 4045-5 is a crucial component in powertrain lineups for regional distribution vehicles. Its 4 cylinder diesel engine architecture and emission-compliant turbo diesel engine technology allow chassis manufacturers to meet regulatory requirements without extensive powertrain redesign. The engine’s modular design facilitates efficient assembly line integration and standardized testing protocols. Engineering teams leverage its electronic fuel system controls for optimization of fuel efficiency and emissions during vehicle calibration. This enables manufacturers to meet client expectations for performance, reliability, and ecological compliance while maintaining production throughput.

Compliance and Diagnostic Validation in Fleet Maintenance Operations

Engine Assembly 4045-5 plays a critical role within fleet maintenance and repair workshop environments that service commercial vehicles from various manufacturers. Its implementation ensures that service technicians can conduct emissions diagnostics and performance checks leveraging the engine’s standardized interfaces and common-rail fuel management system. The integration of DOC, DPF, and SCR after-treatment allows precise monitoring and maintenance to guarantee ongoing compliance with National VI standards. Fleet operators benefit from reduced regulatory risk and improved uptime, as the engine’s robust design supports extended service intervals without sacrificing performance metrics critical to logistics and transport activities.



FAQ 

What customization options do you offer for the Engine Assembly 4045-5?

We provide customization primarily in fuel system suppliers, offering Bosch or Delphi high-pressure common-rail injection systems. Additionally, some variants include intercooling. Our expertise as diesel engine manufacturers ensures engine configurations meet your specific performance and emissions requirements.

How do you support integration and installation of the Engine Assembly 4045-5 in vehicles?

We assist B-end clients with detailed technical documentation and installation guidelines tailored for light trucks, pickups, and MPVs. Our engine assembly is designed for compatibility and ease of integration within commercial vehicle platforms serviced by trusted truck engine manufacturers.

What maintenance support is available for the 4-cylinder diesel engine?

We provide comprehensive guidance on after-treatment system servicing, including the DOC, DPF, and SCR components, ensuring National VI b compliance. Our support extends to spare parts compatibility and technician training for sustained engine performance and emission control.

How do you ensure the Engine Assembly 4045-5 meets National VI emissions standards?

Our engine integrates advanced EGR and SCR technologies combined with selective catalytic reduction after-treatment modules (DOC + DPF + SCR). We rigorously test to verify emission compliance, aligning with government regulations and supporting fleet operators with certified truck engine solutions.