Details
Genuine XCEC Cummins ISME308-30 Complete Engine Assembly: 10.8L 308HP Euro III Vehicle Power Pack
As a major capital investment for fleet operators, logistics companies, and international truck repair centers, sourcing a replacement engine requires looking past basic power specs. The Genuine XCEC Cummins ISME308-30 Diesel Engine serves as a core heavy-duty powertrain manufactured at the Xi'an Cummins Joint Venture Plant. Featuring a highly integrated 10.8-liter inline-six platform, this 308HP workhorse balances mechanical strength with advanced electronics.
For heavy-duty applications requiring reliable torque delivery under continuous load, the Cummins ISME308-30 offers a stable lifecycle alternative to modern, over-complex electronics. As an experienced engine exporter, HekoPower provides complete assembly options alongside full engineering verification to ensure drop-in compatibility with your fleet's existing chassis.
Tech Specs of Cummins ISME308-30
General Engine Data
Engine Model: Cummins ISME308-30
Type: 6 Cylinders in Line
Displacement: 10.8 L
Bore * Stroke: 114 * 144.5
Net Weight (with flywheel & alternator): 940 Kg
Overall Dimension: 1135mm*825mm*1159mm
Key Performance Data
Rated Power: 226 kW/308 HP
Rated Speed: 1900 rpm
Torque/Rated Speed: 1150 N.m @ 1900 rpm
Max. Torque/Speed: 1500 N.m @ 1000-1400 rpm
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Cummins Fuel System/EMC876
Compression Radio: 17.3:1
Starting System: Electrical Starting Motor 24V(750A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Firing Order: 1-5-3-6-2-4
Comparing Cylinder Block Architectures: ISMe308 vs. Competitor Engines
The structural integrity of the 10.8L Cummins ISME308 Diesel Engine relies heavily on its structural components. Unlike many 10-to-11-liter engines that use lightweight multi-piece heads, the ISMe uses a single-piece, 24-valve cylinder head. This configuration integrates the intake manifold and fuel supply lines directly into the casting.
This design reduces total component counts by nearly 30% compared to traditional configurations. Eliminating multiple mating surfaces lowers the risk of head gasket failures under maximum combustion pressure. Additionally, the articulated pistons use a forged steel crown paired with a lightweight aluminum skirt, allowing the engine to handle higher thermal stress without increasing structural weight.
Mechanical Fuel Injection vs. High-Pressure Common Rail (HPCR)
Depending on production years and specific customer chassis numbers, the Cummins ISM11 308 HP Engine utilizes either the classic Cummins electronic fuel control system or an updated Bosch High-Pressure Common Rail (HPCR) system.
- Injection System: HPCR builds high injection pressure independent of engine speeds. This approach ensures cleaner fuel atomization even during low-speed, high-torque operations.
- Combustion Efficiency: The reshaped steel piston bowl optimizes air-fuel mixtures. This design allows operators to manage fuel consumption across varying terrains without sacrificing acceleration response.
- Exhaust Handling: Achieving its Euro III emission status through precision internal timing adjustments, the engine avoids the complex diesel particulate filters (DPF) that often cause downtime in modern work environments.
Real Application Scenarios and Fleet Integration
The performance of an OEM Cummins ISME308 Engine depends heavily on matching its specific torque curves to appropriate vehicle transmission systems and payload categories.
Heavy Duty Tractor Units and Long-Haul Logistics
In long-distance transport, the ISMe308 is built to support gross vehicle weights between 26 and 44 tons. The power output peaks at 226 kW at 1900 RPM, but the critical performance metric is its peak torque of 1450 Nm, which becomes available at 1200 RPM. This low-rev, high-torque configuration allows heavy trucks to maintain highway speeds on steep gradients without excessive downshifting, protecting transmission gears and reducing overall fuel consumption.
Transit Concrete Mixers and Severe Duty Dump Trucks
For operations involving cement mixers and dump trucks, engines experience high dusty environments and extended idling periods. The fully electronic control system protects the engine by constantly monitoring oil pressures and temperatures. If the system detects restricted airflow or cooling drops, it self-diagnoses and scales back power outputs automatically, preventing critical engine damage during demanding off-road operation.
Maintenance Guide, Component Compatibility, and Replacement Tips
Maintaining a Genuine Cummins ISME308-30 Engine at peak performance requires strict adherence to fluid schedules and correct component matching based on manufacturing records.
Essential Identification Protocols: ESN and CPL Data
Before purchasing a Cummins ISME308-30 Complete Engine Assembly Supplier package, verifying the Engine Serial Number (ESN) and Critical Parts List (CPL) is essential. The ISMe platform shares structural components with the broader ISM11 series, but specific variations in turbochargers, electronic control modules (ECM), and wiring harnesses exist. Providing HekoPower with the 8-digit ESN from the data plate ensures the replacement assembly matches your truck’s electrical dashboard networks and cooling connections perfectly.
Overhaul and Component Replacement Guidelines
When completing mid-life overhauls, always verify filter specs. Use replacement filters with multi-layer media technology designed to capture particles down to 10 microns. Fleet mechanics should inspect the integrated water-in-fuel sensor during every standard service interval to keep water contamination from reaching the high-pressure injection system.
Export Logistics and B2B Procurement Strategy
Sourcing an engine internationally requires careful attention to packaging security and precise customs declarations to avoid logistical delays.
Factory Pricing and Transparency for Exporters
HekoPower offers competitive Cummins ISME308-30 wholesale prices for exporters through direct supply agreements with joint-venture manufacturing facilities. Our transparent pricing reflects the exact component configuration you select, ensuring clear visibility into your procurement costs. We provide comprehensive documentation for international shipments, including original bills of lading, certificates of origin, and detailed clean-package declarations to streamline your local customs processing.
Physical Dimensions, Weight, and Shipping Preparation
The Cummins ISME308-30 dimensions and net weight require heavy-duty logistics planning. The bare engine has a net dry weight of 940 kg, which increases to approximately 1000 kg once securely crated with its flywheel and starter motor.
Standard dimensions average 1335 mm in length, 825 mm in width, and 1159 mm in height. Every assembly undergoes a complete anti-corrosion fluid flush, is sealed in heavy-gauge plastic barrier wrapping, and is bolted directly into reinforced export-grade wooden cases to prevent shifting during maritime transit.
Cummins ISMe Series, original products from Xi’an Cummins Joint Venture Plant (XCEC), since 1986, 50% owned by Cummins USA, under Cummins Technical & Product Line. This series mainly includes ISME308-30, ISM11E4 308, ISME335-30, ISME345-30, ISM11E4 345, ISM11E5 345, ISME 360-30, ISME 380-30, ISME 385-30, ISM11E4 385, ISM11E5 385, ISM405E-20, ISME 420-30, ISM11E4 420, ISM11E5 420, ISM11E4 440, ISM11E5 440.
Frequently Asked Questions
What are the exact dimensions of a complete Cummins ISME308-30 engine?
The standard dimensions of the bare engine assembly are 1335 mm long, 825 mm wide, and 1159 mm high. Total shipping weights range near 1000 kg when secured inside an international wooden crate.
Can an ISME308-30 engine replace an older mechanical M11 engine?
Yes, but modifications are required. Because the ISMe utilizes full-authority electronic controls, updating the vehicle's accelerator pedal assembly, installing an electronic dashboard wiring harness, and mounting compatible cooling lines are necessary steps for a successful conversion.
What is the typical life expectancy before a major overhaul?
With regular maintenance schedules and clean fuel usage, the engine platform is engineered for an overhaul lifecycle target of approximately 1 million kilometers in standard on-highway shipping configurations.
Which specific truck brands use this engine model as original equipment?
The engine is widely utilized by major heavy-duty commercial truck builders across global regions, including Dongfeng commercial trucks, heavy-duty tractor configurations, mining dump trucks, and high-capacity transit buses.
How does HekoPower ensure the engine is genuinely original?
Every powertrain features an individual, factory-registered Engine Serial Number stamped directly onto the data plate. This code allows buyers to verify the production records and parts list details through any authorized global Cummins service tracking network.
