Shandong Shengyue Technology Development Co.,Ltd is one of the most professional sdlg four-cylinder diesel engine assembly mn4105p9/n4105p9 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
SDLG Four-cylinder diesel engine assembly MN4105P9/N4105P9
Performance & Economy
| Item | Specification | Unit | Note |
|---|---|---|---|
| Rated Power | 52 | kW | Approx. 70.7 hp (约 70.7 马力) |
| Rated Speed | 2000 | rpm | Typical low-to-mid speed setting for construction machinery |
| Max Torque | 285 ～ 315 | N·m | Peak torque occurs around 1400-1600 rpm |
| Fuel Consumption Rate | ≤ 235 | g/kW·h | Specific fuel consumption at full load |
| Oil Consumption Rate | ≤ 1.2 | g/kW·h | Engine oil-to-fuel ratio |
| Idle Speed | 700 ～ 750 | rpm | Stable idling speed |
Mechanical Design & Base Specs
| Item | Specification | Unit | Note |
|---|---|---|---|
| No. of Cylinders | 4 | pcs | Inline vertical arrangement (直列式) |
| Bore | 105 | mm | Core cylinder diameter feature |
| Stroke | 115 | mm | Long stroke design for better low-speed torque |
| Total Displacement | 3.98 | L | Close to 4.0L displacement |
| Aspiration Mode | Naturally Aspirated | - | No turbocharger; simple and low-cost maintenance |
| Combustion Chamber Type | Direct Injection (DI) | - | High combustion efficiency |
| Engine Cycle | 4-Stroke | - | Intake, Compression, Power, Exhaust |
Operation, Control & Capacity
| Item | Specification | Unit | Note |
|---|---|---|---|
| Cooling Method | Water-Cooled | - | Forced water circulation with fan and pump |
| Starting Method | Electric Start | - | Equipped with 24V starter motor and alternator |
| Flywheel Housing Standard | SAE 3# or SAE 4# | - | Depending on loader torque converter connection |
| Engine Oil Capacity | 9 ～ 11 | L | Recommended oil grade: 15W-40 |
| Coolant Capacity | 15 ～ 18 | L | Total volume including engine body and radiator |
| Direction of Rotation | Counter-Clockwise (CCW) | - | Viewed from the flywheel end |
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