Shandong Shengyue Technology Development Co.,Ltd is one of the most professional wd615.47 / wd615.69 sinotruk 9.7-liter inline-6 heavy-duty diesel engine assembly manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
WD615.47 / WD615.69 SINOTRUK 9.7-Liter Inline-6 Heavy-Duty Diesel Engine Assembly
Thermal & Performance Specifications
| No. | Parameter Item | WD615.47 Data | WD615.69 Data | Remarks / Key Differences |
|---|---|---|---|---|
| 1 | Rated Power / Horsepower | 273 kW / 371 HP | 247 kW / 336 HP | Maximum output difference of 35 HP. |
| 2 | Max Torque / Speed | 1500 N·m @ 1100-1600rpm | 1350 N·m @ 1100-1600rpm | The .47 version offers better heavy-load climbing and torque backup. |
| 3 | Min. Fuel Consumption Rate | \(\le 193\) g/kW·h | \(\le 193\) g/kW·h | Fuel consumption is nearly identical in the economic speed range. |
| 4 | Compression Ratio | 17.5 : 1 | 17.5 : 1 | High compression ratio ensures stable combustion with low-grade fuel. |
| 5 | Max. Idle Speed (Governed) | 2400 \(\pm \) 50 rpm | 2400 \(\pm \) 50 rpm | Overspeed protection fuel cut-off point. |
| 6 | Normal Idle Speed | 600 \(\pm \) 50 rpm | 600 \(\pm \) 50 rpm | Idle stability depends on the mechanical pump governor alignment. |
Fuel, Intake & Control System Specifications
| No. | Parameter Item | WD615.47 Data | WD615.69 Data | Remarks / Key Differences |
|---|---|---|---|---|
| 1 | Injection Pump Model | P8500 Inline Mechanical Pump | P8500 Inline Mechanical Pump | High-pressure fuel pump; internal plunger stroke/diameter differs. |
| 2 | Governor Type | RSV Full-range Mechanical | RSV Full-range Mechanical | Equipped with mechanical fuel cut-off and smoke limiter. |
| 3 | Injector Model / Nozzles | P-type / Multi-hole (High Flow) | P-type / Multi-hole (Mid Flow) | Do not mix up; the .47 model has a higher single-injection volume. |
| 4 | Turbocharger Model | Holset HX50 / Garrett GT42 | Holset HX40 / Garrett GT40 | The .47 model uses a larger housing/impeller for higher air intake. |
| 5 | Auxiliary Emission Control | EGR (Exhaust Gas Recircirculation) | EGR (Exhaust Gas Recircirculation) | Known as "Sinotruk Euro II+" or "Fake Euro III" mechanical pump engines. |
Structure & Mechanical Specifications
| No. | Parameter Item | WD615.47 Data | WD615.69 Data | Remarks / Key Differences |
|---|---|---|---|---|
| 1 | Block & Head Structure | Monoblock Deep-skirt / Single Cylinder Single Head | Monoblock Deep-skirt / Single Cylinder Single Head | Classic Steyr design; no need to remove all heads to service one cylinder. |
| 2 | Cylinder Liner Type | Dry Cylinder Liner | Dry Cylinder Liner | Press-fit thin-wall dry liner; highly resistant to water-oil mixing. |
| 3 | Valvetrain Layout | Lower Camshaft / OHV / 2 Valves per Cyl | Lower Camshaft / OHV / 2 Valves per Cyl | Classic chain/gear-driven rocker arm structural layout. |
| 4 | Flywheel & Housing Specs | SAE 1# Housing / 14-inch Twin-plate | SAE 1# Housing / 14-inch Twin/Single-plate | Requires verification to match Sinotruk, Fast, or proprietary gearboxes. |
| 5 | Engine Net Weight | Approx. 850 kg (Dry weight) | Approx. 850 kg (Dry weight) | Large displacement, heavy dry weight, high durability design. |
| 6 | Dimensions (L×W×H) | Approx. 1525 \(\times \) 730 \(\times \) 1045 mm | Approx. 1525 \(\times \) 730 \(\times \) 1045 mm | External mounting dimensions are completely identical and interchangeable. |
Fluid Capacities & Maintenance Standards
| No. | Parameter Item | WD615.47 Data | WD615.69 Data | Remarks / Key Differences |
|---|---|---|---|---|
| 1 | Engine Oil Capacity | 24 Liters - 28 Liters | 24 Liters - 28 Liters | Deep oil pans for tipper trucks require a larger refill capacity. |
| 2 | Coolant Capacity | Approx. 40 Liters (Total loop) | Approx. 40 Liters (Total loop) | Recommended to use long-lasting anti-freeze and anti-rust coolant. |
| 3 | Intake Valve Clearance (Cold) | 0.30 mm | 0.30 mm | Measured via feeler gauge; calibrate every 20,000–30,000 km. |
| 4 | Exhaust Valve Clearance (Cold) | 0.40 mm | 0.40 mm | Exhaust clearance is larger to compensate for high thermal expansion. |
| 5 | Thermostat Opening Temp. | Initial: 71℃ / Full: 82℃ | Initial: 71℃ / Full: 82℃ | Ensures the engine reaches optimal working temperature quickly. |
| 6 | Normal Oil Pressure | 300 kPa - 500 kPa (Warm engine) | 300 kPa - 500 kPa (Warm engine) | Oil pressure must not drop below 100 kPa at idle speed. |
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