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4945791
Dongfeng
| Attribute | Description |
|---|---|
| Product Name | Mechanical Fuel Injection Pump / High-Pressure Diesel Pump |
| Pump Type | In-line plunger-type (P-series design), typically single or multi-cylinder camshaft-driven |
| Drive Method | Gear-driven from engine camshaft or timing gear train |
| Control System | Mechanical governor with optional 24V electric shut-off solenoid |
| Fuel Output Pressure | Up to 1,200 bar (varies by calibration and engine speed) |
| Primary Function | Precisely meters and pressurizes diesel fuel for direct delivery to injectors |
| Internal Components | Hardened alloy steel plungers and barrels (plunger-piston pair) with micron-level clearance |
| Lubrication Source | Pressurized engine oil supplied via external oil line (not self-lubricated) |
| Durability | Designed for rugged use; suitable for poor-quality fuels (within limits) |
| Parameter | Specification |
|---|---|
| Part Number (OEM) | 4945791, C4945791 |
| Alternative Part No. | 4930968, 3282610 |
| Bosch Equivalent | 0402736922, 0402736927 |
| Engine Power Match | Calibrated for ~300 PS (221 kW) output |
| Applicable Engine Types | |
| - Cummins 6CT / 6CT8.3 (8.3L) | |
| - Cummins 6L / L8.9 (8.9L) | |
| Injection System Type | Mechanical (P-type inline pump) |
| Governor Type | Mechanical centrifugal governor with throttle linkage |
| Shut-Off Mechanism | 24V electric stop-solenoid (for remote engine shutdown) |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD), CN GB/T 19147 compliant |
| Operating Temperature Range | -30°C to +110°C ambient |
| Production Standard | ISO 9001 certified; often co-developed with Bosch technology |
| Attribute | Description |
|---|---|
| Product Name | Mechanical Fuel Injection Pump / High-Pressure Diesel Pump |
| Pump Type | In-line plunger-type (P-series design), typically single or multi-cylinder camshaft-driven |
| Drive Method | Gear-driven from engine camshaft or timing gear train |
| Control System | Mechanical governor with optional 24V electric shut-off solenoid |
| Fuel Output Pressure | Up to 1,200 bar (varies by calibration and engine speed) |
| Primary Function | Precisely meters and pressurizes diesel fuel for direct delivery to injectors |
| Internal Components | Hardened alloy steel plungers and barrels (plunger-piston pair) with micron-level clearance |
| Lubrication Source | Pressurized engine oil supplied via external oil line (not self-lubricated) |
| Durability | Designed for rugged use; suitable for poor-quality fuels (within limits) |
| Parameter | Specification |
|---|---|
| Part Number (OEM) | 4945791, C4945791 |
| Alternative Part No. | 4930968, 3282610 |
| Bosch Equivalent | 0402736922, 0402736927 |
| Engine Power Match | Calibrated for ~300 PS (221 kW) output |
| Applicable Engine Types | |
| - Cummins 6CT / 6CT8.3 (8.3L) | |
| - Cummins 6L / L8.9 (8.9L) | |
| Injection System Type | Mechanical (P-type inline pump) |
| Governor Type | Mechanical centrifugal governor with throttle linkage |
| Shut-Off Mechanism | 24V electric stop-solenoid (for remote engine shutdown) |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD), CN GB/T 19147 compliant |
| Operating Temperature Range | -30°C to +110°C ambient |
| Production Standard | ISO 9001 certified; often co-developed with Bosch technology |