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| 4135 Model | 6135 Model |
Description:
A series of marine engines is an improved product developed on the basis of the original 135 products of SDEC. The basic parts of this series of products are basically common with the original products, and major improvements are made to the fuel system, intake and exhaust system, cooling system, piston and other moving parts with significant engine performance improvement. While inheriting the hard work of the original 135 series engines, the minimum fuel consumption is 197 g / kW. H, the emission is upgraded, and the torque reserve is larger, reaching the advanced level of similar domestic models. It is suitable for inland river transport ships, coastal fishing boats, engineering ships and other ships. And 50-150kw marine generator set market.
Features：
1. P8 high-pressure oil pump with higher injection pressure and good low-speed performance and cold starting ability is adopted.
2. The new piston of AVL combustion chamber can increase compression ratio, improve speed-up torque and make combustion more sufficient.
3. Low flow resistance of intake and exhaust, low intake vortex flow cylinder head, higher intake efficiency.
4. New optimized matching of supercharger, greatly improved engine fuel consumption and smoke, reliable use and long service life of turbocharger.
5. High reliability, large power reserve, convenient maintenance and sufficient spare parts supply.
| A Series Technical Parameters | |||
| Type | In-Line、WaterCooled、4-Stroke、Wet cylinder | Cylinder No. | 4135：4 / 6135：6 |
| Bore&Stroke | 135x150mm | Displacement | 4135：8.6L / 6135：12.9L |
| Min.BSFC | ≤197g/kw.h | Oil Consumption | ≤0.4g/kw.h |
| Valve No/Cylinder | 2 | Idle Speed | 650±25r/min |
| Ignition Order | 4135:1-3-4-2 / 6135:1-5-3-6-2-4 | Compression ratio | 16.5-17:1 |
| Noise | ≤110dB(A) | Emmision standard | IMO |
| Start mode | Electric starting | Flywheel & housing | 135 / SAE 1 14 |
| Rotation Direction (Face the Flywheel) | Anti-clockwise | Overhual | ≥15000h |
| A Series Model List | ||||||
| Series | Engine Model | Aspiration | Rated Power kw/ps | Rated Speed r/min | Fuel Supply | Net Weight kg |
| Main engine | 4135ACa3-1 | Natural Inspiration | 59.7/81 | 1500 | Mechanical | 950 |
| 4135ACa3 | Natural Inspiration | 71/97 | 1500 | Mechanical | 950 | |
| 6135ACa3-2 | Natural Inspiration | 87/118 | 1500 | Mechanical | 1300 | |
| 6135ACa3-1 | Natural Inspiration | 107.7/146 | 1500 | Mechanical | 1300 | |
| 6135ACa3 | Natural Inspiration | 112.5/153 | 1500 | Mechanical | 1300 | |
| 6135AZCa3-1 | Turbo | 138.4/188 | 1500 | Mechanical | 1350 | |
| 6135AZCa3 | Turbo | 146/199 | 1500 | Mechanical | 1350 | |
| 6135AZLCa3 | Turbo & Intercooler | 170.6/232 | 1500 | Mechanical | 1350 | |
| 6135AZLCa6 | Turbo & Intercooler | 200/272 | 1500 | Mechanical | 1350 | |
Auxiliary engine | 4135Caf | Natural Inspiration | 60 | 1500 | Mechanical | 950 |
| 4135ACaf | Natural Inspiration | 76.8 | 1500 | Mechanical | 950 | |
| 6135Caf | Natural Inspiration | 90 | 1500 | Mechanical | 1300 | |
| 6135ACaf | Natural Inspiration | 108 | 1500 | Mechanical | 1300 | |
| 6135JZCaf | Turbo | 144 | 1500 | Mechanical | 1350 | |
| 6135AZCaf | Turbo | 162 | 1500 | Mechanical | 1350 | |
| 6135JZLCaf | Turbo & Intercooler | 180 | 1500 | Mechanical | 1350 | |
| Emergency engine | 6135D-3 | Natural Inspiration | 77 | 1500 | Mechanical | 1300 |
| 6135AD-3 | Natural Inspiration | 96.5 | 1500 | Mechanical | 1300 | |
| 6135AZD-1 | Turbo | 134 | 1500 | Mechanical | 1350 | |
Outline and installation dimension drawing
4135 L:1093mm W:694mm H:1152mm
6135 L:1544mm W:792mm H:1318mm
