6152-72-1442/106675-4542/6152721211 Fuel Injection Pump For 6D125
1.Product Name: fuel injection pump
2.Model No.:6152-72-1442/106675-4542/6152721211
3.Delivery time:3-5 days
4.Payment Methods: T/T, Western Union, Paypal, Alibaba
5.Origin: made in China
6.Application: For 6D125 engine
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
|
Parameter |
Specification |
|
OEM Part No. |
6152-72-1442 |
|
Compatible Engine |
6D125 Series Diesel Engine (Common in construction machinery/generators) |
|
Pump Type |
Electronically Controlled Common Rail Injection Pump (ECU-integrated) |
|
Operating Pressure |
1800-2200 bar (Peak) |
|
Control Protocol |
SAE J1939 |
|
Flow Range |
120-650 cc/30s @ 1000 rpm (Programmable) |
Core Structure & Operating Principle
Plunger Assembly
Material: Zirconia ceramic (82 HRA hardness)
Diameter: Φ12±0.002mm
Stroke: 9.2mm (linear error <0.03mm)
Pressure Control Valve
Response time: ≤2ms
PWM frequency: 2kHz
Leakage: <15cc/min @2000bar
Key Features
Smart Electronic Control
Integrated pressure sensor for real-time feedback
OBD-II diagnostics support (Fault codes: P0087/P0191, etc.)
Adjustable injection parameters via dedicated software (e.g., ETK-SUITE)
Reinforced Design
Ceramic plunger kit (Wear resistance: ISO 4406 16/14/11)
Titanium alloy high-pressure line fittings (>200℃ corrosion resistance)
Integrated thermal relief valve (Auto pressure dump >110℃)
Performance Optimization
Pre-injection control (Up to 3 split injections)
Dynamic fuel compensation (±0.25mg/stroke accuracy)
Adaptive wear compensation (>10,000-hour service life)
Flow-Pressure Characteristics
|
RPM |
500 |
1000 |
1500 |
2000 |
|
Pressure (bar) |
250 |
850 |
1650 |
2200 |
|
Flow (L/h) |
18.5 |
36.2 |
69.8 |
82.4 |
Electronic Control System
|
Parameter |
Specification |
|
ECU Model |
MHI-ECU5G v2.3 |
|
Protocols |
SAE J1939 + ISO 14229-1 |
|
Calibration Memory |
2MB Flash (1000 write cycles) |
|
Diagnostics |
UDS on CAN (ID:0x7E0) |
|
Sensor Interfaces |
6x PWM + 3x LIN |
Compatible Equipment
|
Equipment Type |
Representative Models (6D125 Engine) |
|
Generators |
Caterpillar C175 / Mitsubishi MGS1700 |
|
Heavy Machinery |
Komatsu PC8000 Excavator / Hitachi EX5600 Hydraulic Shovel |
|
Marine Power |
Yanmar 6EY22 Auxiliary Power Unit |
Maintenance Guidelines
Extreme Condition Testing
|
Test |
Result |
Standard |
|
Cold Start |
-30°C ignition (0.8s) |
ISO 16750-4 |
|
Thermal Endurance |
110°C@500h leak-free |
JASO M346 |
|
Vibration |
28G@200Hz compliant |
IEC 60068-2-6 |
|
Salt Spray |
720h zero functional decay |
ISO 9227 |
Failure Mode Analysis
Common Faults & Solutions
|
Symptom |
Root Cause |
Corrective Action |
|
Pressure fluctuation >±50bar |
Sticking control valve |
Replace #1442-VALVE assembly |
|
ECU comm timeout |
CAN terminator failure |
Verify 120Ω resistor (Pin17-18) |
|
Cold start underfueling |
Temp sensor drift >10% |
Reflash calibration table |
|
Uncontrolled pre-injection |
Piezo stack degradation |
Replace injector (P/N:72-1442-INJ) |
Technical Warnings
▸ Prohibited Modifications: ECU calibration requires MUT-III equipment. Manual adjustments may cause DPF clogging (Code P2002)
▸ Installation Torque: High-pressure line nuts must be tightened in 3 stages (20Nm→45Nm→60Nm±2Nm)
▸ Fuel Compatibility: CI-4 grade diesel only (Sulfur content <50ppm)
Your doubts
Abosede
Customer feedback
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