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Sinotruk MT13 series natural gas LNG/CNG engine
Basic Geometry and Mechanical Structure Parameters
| Parameter Category | Detailed Item | Specification / Description |
|---|---|---|
| Basic Specification | Engine Type | Inline 6-cylinder, 4-stroke, water-cooled, fully electronically controlled, spark-ignited, turbocharged and intercooled, lean-burn |
| Displacement & Size | Engine Displacement | 12.419 L (commonly referred to as a 13-liter engine in the industry) |
| Bore × Stroke | 126 × 166 mm | |
| Compression Ratio | 11.5 : 1 | |
| Material & Weight | Block Core Material | Compacted Graphite Iron (CGI) (high strength, fatigue resistance, and lightweight) |
| Valve Structure | 4 Valves per cylinder | |
| Net Weight | Approx. 975 kg |
Core Performance Parameters (Comparison of Main Sub-models)
| Sub-model | Max Output Power | Rated Power / Rated Speed | Max Output Torque | Max Torque Speed Range | Idling Speed | Emission Standard |
|---|---|---|---|---|---|---|
| MT13.36 | 360 hp | 265 kW / 1900 rpm | 1800 N·m | 1100 - 1400 r/min | 550 ± 50 rpm | National V / VI |
| MT13.40 | 400 hp | 294 kW / 1900 rpm | 1900 N·m | 1100 - 1400 r/min | 550 ± 50 rpm | National V / VI |
| MT13.44 | 440 hp | 324 kW / 1900 rpm | 2100 N·m | 1100 - 1400 r/min | 550 ± 50 rpm | National V / VI |
| MT13.48 | 480 hp | 353 kW / 1900 rpm | 2200 N·m | 1000 - 1400 r/min | 550 ± 50 rpm | National VI (Heavy-haul/Line-haul) |
Technology, Control, and Gas Consumption Parameters
| Technical Field | Detailed Item | Configuration / Data Indicator | Technical Advantage & Explanation |
|---|---|---|---|
| Gas Control System | Electronic Control Unit (ECU) | USA Econtrol CFV (Continuous Flow Valve) Electronic Gas Control System | Extremely precise air-fuel ratio control, ensuring stable combustion and low emissions under all working conditions. |
| Combustion & Aftertreatment | Combustion Route | Stoichiometric Combustion + Cooled EGR + TWC (Three-Way Catalyst) | Smoothly and efficiently meets the strict National VI emission regulations. |
| Fuel Economy | Ref. Gas Consumption per 100km | 28 - 32 kg / 100km (depending on load and road conditions) | Significantly lower fuel costs compared to diesel engines of the same displacement, offering high cost-efficiency. |
| Fuel Type | Natural Gas (LNG Liquid / CNG Gaseous) | Widely matched with back-mounted or side-mounted large-capacity gas cylinders (e.g., single 1000L or dual cylinders). | |
| B10 Service Life | Target Design Life | 1.5 Million Kilometers | Inherits the long-life genes of Germany's MAN heavy-duty diesel engines, featuring extreme cylinder block rigidity. |
Routine Maintenance and Critical Service Parameters
| Maintenance Item | Core Specification Requirements | Remarks & Operating Standards |
|---|---|---|
| Ignition System | Spark Plug Specification/Type | M14 Large Electrode Dedicated Spark Plug |
| Spark Plug Installation Torque | 25 - 30 N·m | |
| Recommended Spark Plug Gap | Replacement advised if the gap exceeds 0.6 mm | |
| Electronic Control Anti-vibration | Max Allowed ECM Vibration | ECM - 8G Level |
| Connector Waterproofing | ECM terminal pins must be arranged horizontally or facing downward |
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