Cummins ISMe420-30 Engine For Sale

What Is the Cummins ISMe420-30?

The Cummins ISMe420-30 is a genuine heavy-duty diesel engine manufactured at the Xi'an Cummins Engine Company (XCEC) — a joint venture 50% owned by Cummins USA since 1986, operating under full Cummins technical standards and product lines.
This is not a copy. Not a clone. This is the original ISMe420-30, built to the same engineering tolerances as engines powering fleets across six continents.

At its core, the ISMe420-30 is a 6-cylinder in-line, 10.8-litre, four-stroke turbocharged diesel engine, rated at 306 kW (420 HP) at 1900 RPM, with a peak torque of 2010 N·m at 1200 RPM — one of the highest low-end torque figures in its class.
It meets Euro III / China Stage III emission standards and is equipped with a High-Pressure Common Rail (HPCR) fuel system under full electronic control — the same advanced architecture that makes this engine more fuel-efficient and diagnostics-ready than its mechanical-injection predecessors.

ISMe420-30 Full Specifications

All data verified against XCEC factory documentation (Curve & Datasheet Ref: FR20318). Parameters are subject to CPL Code revision. Contact our engineering team to confirm specifications for your specific application.

What Is the ISMe420-30 Built For?

Is This the Right Engine for Your Application?

Long-Haul Tractor-Trailers (GVW 40–60 tons)

The 420HP output combined with peak torque at 1200 RPM makes this the benchmark engine for high-GVW tractor combinations on highway routes. Proven in Dongfeng Kinland, Shaanxi (SHACMAN), Foton Auman, and Hualing truck platforms.

Heavy-Duty Dump Trucks & Mining Applications

Sustained high-load cycles in hot, dusty environments demand an engine with proven thermal resistance. The ISMe420-30's water-cooled architecture and turbocharged intercooled design maintain consistent output under conditions that overheat lesser engines.

Concrete Mixer Trucks (REPTO Applications)

For mixer drum applications, the ISMe420-30 is available in REPTO (Rear Engine Power Take-Off) configuration, allowing hydraulic pump drive directly from the rear of the engine without compromising primary driveline performance.

Heavy-Duty Bus & Coach Platforms

Running in Yutong, Kinglong, Ankai, and Higer platforms, the noise reduction profile and clean Euro III combustion make this a suitable choice for coach applications where passenger environment matters.

Construction Machinery & Crane Applications

Xuzhou Construction Machinery (XCMG) and similar OEMs specify the ISMe series for truck-mounted cranes and heavy special-purpose vehicles where continuous duty cycles demand proven durability.

A Note on Specifications — Why Accuracy Matters

If you've been researching the ISMe420-30, you may have noticed that different suppliers list different bore and stroke dimensions; some show 125mm × 147mm, others show 114mm × 144.5mm. This matters.
The correct factory specification for the ISMe420-30 is 125mm × 147mm bore and stroke (displacement 10.8L), as documented in XCEC's own product data (Curve & Datasheet FR20318, CPL Code 48534). The 114×144.5 figures appear on some third-party listings due to data confusion with a different engine variant.
At ZEB Power, we publish factory-sourced specifications and make the technical datasheet available on request; because the wrong spec on a replacement order is an expensive mistake.

Not Sure Which ISM11 Variant Is Right for You?

The ISMe420-30 is one model in the broader XCEC ISM11 series — 6-cylinder, 10.8L engines spanning Euro II through Euro V emission standards. Here's how the 420HP variants compare across emission tiers:

The engines themselves share the same core architecture. The primary differences between emission tiers are the after-treatment system and ECU calibration. If your market or fleet requires a specific emission standard, contact our team; we stock multiple variants.
Need a different power rating? View the full ISM11 series lineup

FAQ

Q: What does "-30" mean in ISMe420-30?

The suffix indicates the emission standard tier. In the XCEC ISM11 naming convention: -20 = Euro II, -30 = Euro III, E4 = Euro IV, E5 = Euro V, E6 = Euro VI. The ISMe420-30 is the Euro III / China Stage III variant of the 420HP ISM11 engine.

Q: Can the ISMe420-30 replace an older Cummins M11 engine?

Yes, the ISMe420 is the direct electronic evolution of the M11 platform. However, because the ISMe series uses a full electronic control system (ECM) while older M11s used mechanical injection (Celect Plus), a wiring harness swap and electronic throttle pedal replacement are required. Our engineering team can advise on chassis-specific compatibility.

Q: Why does the torque drop from 2010 N·m at 1200 RPM to 1500 N·m at rated speed?

This is by design. The ISMe420-30 torque curve is specifically tuned for low-RPM pulling power — peak torque arrives early to help loaded vehicles climb grades and accelerate from low speed without excessive downshifting. As RPM rises toward the 1900 RPM rated speed, torque moderates but power output is maximised. This is the optimal profile for heavy-haul applications.

Q: What is CPL Code 48534?

CPL (Control Parts List) is Cummins' internal revision code for a specific engine configuration. CPL 48534 identifies the exact bill of materials, calibration, and component specifications for this variant of the ISMe420-30. When ordering replacement parts, always reference the CPL code to ensure compatibility.

Q: What is the difference between ISMe420-30 and ISMe380-30?

Both are Euro III ISM11 engines. The ISMe420-30 features reinforced internal components (pistons, connecting rods, bearings) to handle the higher thermal and mechanical load of the 420HP output vs. the 380HP rating of the -380 variant. This directly contributes to longer maintenance intervals and greater durability in continuous heavy-duty cycles.

Q: Do you supply genuine XCEC parts for the ISMe420-30?

Yes. ZEB Power supplies both complete engine assemblies and genuine XCEC replacement parts for the ISMe420-30. Contact our team with your CPL code and part requirements.

Q: What warranty do you offer?

All ISMe420-30 engines supplied by ZEB Power carry a 12-month warranty covering manufacturing defects under normal operating conditions.

Ordering & Delivery

Ready to Source the ISMe420-30?

Whether you're replacing a failed unit, expanding a fleet, or sourcing for a new build program — ZEB Power's team of engine specialists is ready to support your procurement from first inquiry to final delivery.

What you get when you contact us:

Confirmed price within 24 hours
Factory technical datasheet on request
Chassis compatibility check by our engineering team
Transparent lead time with shipping tracking

Remind: All specifications are provided for reference purposes. Data may vary based on CPL code revision and application requirements. Please contact ZEB Power to confirm all technical details before ordering.

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