High-Quality Domestic Replacement Solutions for CAT 330D Electrical Faults | Reliable Engine Parts for Komatsu PC200-8, Cummins B5.9-C, and Isuzu 4HK1
As a source factory, Honour Time Machinery Limited specializes in the custom development and foreign trade export of various high-precision engine Cylinder Liner Kits. Get OEM quality at factory pricing directly from the source!
Caterpillar 3116 Liner Kit | Komatsu 6D105 Liner Kit | Isuzu 6WG1 Liner Kit | Cummins QSM11 Liner Kit
When your heavy-duty equipment experiences electrical glitches, especially issues linked to the hydraulic system control, a failure in the Hydraulic Pump Harness is often the root cause. We offer a precision-engineered, high-quality domestic replacement for the CATERPILLAR 330D excavator, specifically the part with number 256-7764, also known as 2567764. This harness is designed to match the fit and performance of the original equipment, ensuring your CAT 330D returns to optimal operation quickly.
Our commitment at Honour Time Machinery Limited is to provide reliable and cost-effective engine parts and electrical components for CATERPILLAR and other major construction machinery brands. This replacement part directly addresses common issues like intermittent pump control and diagnostic errors, providing a long-term fix and excellent value.
| Parameter | Details | Parameter | Details |
|---|---|---|---|
| Brand | Caterpillar | Model NO. | 330D |
| Product Name | Hydraulic Pump Harness | Application | Excavator |
| Part Number (with Symbol) | 256-7764 | Part Number (Cleaned) | 2567764 |
| Condition | New | Certification | ISO 9001/CE Compliant |
| Specification | High-temperature resistant wiring, OEM connectors, precise length | Trademark | Honour Time Machinery Limited |
| Origin | China | Transport Package | Carton |
| Production Capacity | 5000PCS/Year | Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, Fedex, EMS, UPS or by Air/Sea | Model No. | CAT 330D Excavator |
Feature 1: Use for excavator or construction machinery, specifically tested on CATERPILLAR 330D.
Feature 2: Precision-fit connectors guarantee seamless integration with the hydraulic pump control module (Part No. 256-7764).
Feature 3: Manufactured with superior insulation and shielding to resist vibration and heat in heavy-duty Caterpillar environments.
Feature 4: Direct domestic replacement for the original 2567764 part, ensuring error-free installation and reliable signal transmission.
Feature 5: Solves common CATERPILLAR 330D Hydraulic System Abnormalities caused by damaged or corroded wiring.
We are a leading provider of engine parts, including complete engine assembly components, to keep your equipment running efficiently.
| Engine Part Category | Component 1 | Component 2 | Component 3 |
|---|---|---|---|
| Cylinder Components | Liner Kit | Piston | Piston Ring |
| Gaskets & Seals | Gasket Kit (Full overhaul) | Gasket Head | Transmitter |
| Crankshaft & Bearings | Crankshaft | Engine Bearing | Valve Seat |
| Fuel & Air System | Nozzle (Fuel Injector) | Flameout Solenoid | Turbocharger |
| Valvetrain & Block | Valve Guide | Cylinder Block | Cylinder Head |
| Cooling & Electrical | Radiator | Monitor | Pressure Switch |
Our extensive inventory covers a wide range of popular engine models from major construction machinery brands. Look for your Komatsu, Cummins, Isuzu, or Yanmar engine below.
| Brand | Model 1 | Model 2 | Model 3 |
|---|---|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95 | 6D108, 6D110, 4D84, 4D95 | 6D102, 6D105, 6D114, 6D170 |
| KOBELCO | J05E, 6D34T, 6D16, J08E | 6D22T, 6D24T, 6D16T, 6D34 | J05E, J08E |
| CATERPILLAR | 3114, 3116, C4, C6 | 3064T, S6K, C7, C-9 | C13 |
| Mitsubishi | 4D34, 4D24, K4M, S3Q2 | 6D16, 6D24, S4KT, 6D40 | |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1 | 6SD1, 6WG1, 4LE2, 4JB1 | 6BG1, 6HK1, 6WF1 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L | 4TNE88, 4TNE94, 4TNV98, 4TNV106 | |
| HINO | J05E, J08E, V25C, EF750 | P11C, V21C, H06CT, H07D | |
| CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C | QSM11, C8.3-C | |
| VOLVO | D6D, D6E, D9E, D12D | D7D, D7E, D12E, D16D |
Liner Kit: Installed in the cylinder block. It contains the cylinder liner, piston, and piston rings, forming the main combustion and movement chamber. Keyword: Cummins B5.9-C Liner Kit.
Flameout Solenoid: Installed on the fuel pump or injection system. Controls the fuel flow to shut down the engine. Keyword: Komatsu PC200-8 Flameout Solenoid.
Crankshaft Bearing: Installed in the engine block, supporting the rotating crankshaft. Crucial for reducing friction. Keyword: Caterpillar 3114 Crankshaft Bearing.
Valve Guide: Installed in the cylinder head. Guides the movement of the intake and exhaust valves. Keyword: Isuzu 4HK1 Valve Guide.
Nozzle (Fuel Injector): Installed in the cylinder head, spraying atomized fuel into the combustion chamber. Keyword: Yanmar 4TNV98 Fuel Injector.
Accelerator Motor: Installed near the engine or throttle body. Electrically controls the engine speed (throttle position). Keyword: KOBELCO J05E Accelerator Motor.
Pressure Switch: Installed in oil or hydraulic lines. Senses system pressure and reports it to the monitor/ECU. Keyword: Volvo D12D Pressure Switch.
Monitor: Installed in the cab. Displays operating parameters, alerts, and diagnostic codes to the operator. Keyword: Weichai WP12 Monitor Screen.
Main Valve: Installed in the hydraulic control block. Directs and controls the flow and pressure of hydraulic oil to actuators. Keyword: HINO J08E Main Control Valve.
Transmitter: Typically installed on sensors (temperature, pressure) to convert physical measurements into electrical signals. Keyword: Mitsubishi 6D16 Temperature Transmitter.
Fault: Komatsu PC300-7 experiences sudden overheating, loss of power, and high oil consumption. Diagnostic checks show low compression in one cylinder. The primary culprit is often a failed Gasket Head or a cracked Cylinder Head itself.
Solution: Immediately shut down the Komatsu machine. Replace the Gasket Head (using a high-quality Gasket Kit from our inventory) and inspect the Cylinder Head and Liner Kit for warping or cracking. Ensure the engine block surface is perfectly clean and flat before installing the new gasket to prevent immediate recurrence of the fault.
Regular maintenance is key to maximizing the lifespan of your Caterpillar, Komatsu, Cummins, and Isuzu engines:
Oil & Filter Changes: Change engine oil, oil filter, and fuel filter every 250-500 operating hours. This is crucial for protecting the Engine Bearing and Piston Rings.
Cooling System Check: Annually flush the cooling system and check the Radiator and hoses for leaks. Maintaining the correct coolant level prevents engine component wear and tear.
Valve Clearances: Check and adjust Valve Guide clearances every 1000 hours to ensure optimal combustion and prevent valve damage.
Harness Inspection: Regularly inspect electrical components, including the Hydraulic Pump Harness (256-7764), for signs of chafing, corrosion, or loose connections.
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