Secure maximum efficiency and reliability for your heavy machinery with our precision-engineered excavator parts. As a trusted supplier, we offer the critical Main Relief Valve for the Komatsu PC200-6 model, ensuring your hydraulic system operates smoothly and without pressure spikes.
Factory Direct and Export Ready! We are a primary source manufacturer specializing in custom engine cylinder liner development and production for various machinery, guaranteeing OEM-level quality for the global aftermarket.
Featured Cylinder Liner Applications:
Cummins QSB6.7 Cylinder Liner
Komatsu 6D107 Cylinder Liner
Caterpillar 3306 Cylinder Liner
Isuzu 6WG1 Cylinder Liner
| Brand | Model | Product Name | Part Number | No Hyphen PN |
|---|---|---|---|---|
| Komatsu | PC200-6 | Main Relief Valve | 723-40-51102 | 7234051102 |
| Komatsu | N/A | Float Switch | 7861-92-4800 | 7861924800 |
Application Specific: Precisely engineered for the Komatsu PC200-6 excavator hydraulic system.
OEM Replacement: A reliable, high-quality aftermarket replacement for OEM Part Number 723-40-51102.
Pressure Regulation: Crucial component for maintaining optimal and consistent hydraulic pressure, preventing system overload.
Operation Quality: Restores smooth and responsive functionality to boom, arm, and bucket movements.
Troubleshooting Solution: Directly addresses and resolves abnormal pressure spikes or sluggish movement issues commonly found in the Komatsu PC200-6.
Honour Time Machinery Limited specializes in a vast array of high-quality engine components, including Cylinder Liner Kits, Pistons, Piston Rings, Overhaul Gasket Kits, Crankshaft Bearings, Fuel Injectors, and Turbochargers. We are your one-stop supplier for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engine assemblies and spare parts, crucial for construction machinery like excavators and dozers.
| Brand | Model Nos. |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34 |
| 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 |
Understanding the components of your machinery is key to efficient maintenance and correct parts ordering. Here are 10 critical parts:
Fault: A Komatsu PC200-6 excavator experiences slow or sluggish boom/arm operation, especially under load.
Potential Cause & Solution: This is often due to internal leakage or a failing Main Relief Valve (PN 723-40-51102), which fails to maintain system pressure efficiently. Treatment: First, check the hydraulic oil level and filter condition. If these are good, test the pilot pressure and main pump output. If the main relief pressure test is low or inconsistent, the valve assembly needs inspection and probable replacement with a high-quality unit to restore full power and speed.
Daily Checks: Inspect track tension, hydraulic hose integrity, and check for oil or coolant leaks before starting operation.
500-Hour Service: Replace engine oil and filters. Inspect and clean the air filter. Check all main hydraulic relief pressures.
2000-Hour Service: Replace hydraulic oil and filters. Conduct a comprehensive engine valve clearance check. Inspect all engine components, including Cylinder Head Gasket condition and Piston Ring wear through blow-by measurement.
| Field | Value |
|---|---|
| Application | Excavator Parts |
| Certification | ISO/CE Quality Assurance |
| Condition | Brand New, Direct Replacement |
| Transport Package | Durable Carton |
| Origin | China (Source Factory) |
| Production Capacity | 5000 PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, FedEx, EMS, UPS or by Air/Sea |
Honour Time Machinery Limited is a professional export trade company focusing on high-quality aftermarket engine and heavy machinery spare parts, including cylinder kits and hydraulic valves, serving the global market with reliable, factory-direct solutions.
Click the button below to visit our Facebook profile and stay updated with the latest news and updates!
Visit Facebook Profile
English
English