Source Factory - Factory Direct Sales - Export Specialist
We provide professional customized development services for various engine cylinder liners, ensuring perfect compatibility with leading brands.
For the Caterpillar CAT320B, the Swing Motor Main Valve 171-0030 (1710030) is critical for precise rotation control. Our high-quality Chinese alternative solves rotation drift and slow response issues. Similarly, for Komatsu equipment, the Float Switch 7861-92-4800 (7861924800) ensures accurate liquid level monitoring, preventing engine damage.
| Brand | Machine Model | Product Name | Part Number (Standard) | Part Number (Clean) |
|---|---|---|---|---|
| Caterpillar | CAT320B | Swing Motor Main Valve | 171-0030 | 1710030 |
| Komatsu | PC-Series | Float Switch | 7861-92-4800 | 7861924800 |
Honour Time Machinery Limited specializes in high-performance engine assemblies and components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our long-tail keyword optimized parts include:
Engine Overhaul Rebuild Kit for 6D102
Turbocharger for CAT C7 Engine
Fuel Injection Pump for Isuzu 4HK1
Crankshaft Main Bearing for Komatsu 6D105
Cylinder Head Gasket for Cummins QSB6.7
Water Pump Assembly for Yanmar 4TNV98
Piston Ring Set for Kubota V2403
Connect Rod for Weichai WD615
Oil Pump for Caterpillar 3306
Intake and Exhaust Valve for Isuzu 6BG1
| Category | Available Engine Parts |
|---|---|
| Piston Group | Liner Kit, Piston, Piston Ring |
| Sealing & Gasket | Gasket Kit, Gasket Head, Crankshaft Oil Seal |
| Valve Train | Valve Guide, Valve Seat, Nozzle |
| Electricals | Pressure Switch, Flameout Solenoid, Monitor, Accelerator Motor |
| Cooling System | Radiator, Fan Cooling, Water Pump, Belt |
| Structural | Cylinder Block, Cylinder Head, Engine Bearing, Crankshaft |
| Brand | Compatible Models |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| KOBELCO / Mitsubishi | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34, 4D34, 4D24, K4M, S3Q2, 6D40 |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| Cummins / Volvo | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C, D6D, D6E, D9E, D12D, D7D, D7E |
Caterpillar C7 Turbocharger: Located on the exhaust manifold. Boosts air intake. Equipment: CAT 325D.
Komatsu 6D107 Injector: Installed in the cylinder head. Delivers fuel. Equipment: PC200-8.
Isuzu 6HK1 Water Pump: Mounted at the front of the engine. Circulates coolant. Equipment: ZX330-3.
Cummins QSB6.7 Crankshaft: Found in the cylinder block base. Converts piston motion. Equipment: Liugong 922E.
Kubota V2203 Piston: Located inside the cylinder liner. Compresses gas. Equipment: Bobcat S150.
Yanmar 4TNV94 Oil Pump: Inside the oil pan area. Lubricates engine parts. Equipment: ViO55.
Weichai WP10 Cylinder Head: Sits on top of the block. Seals combustion chamber. Equipment: SD22 Bulldozer.
CAT 320D Fuel Pressure Switch: Located on the fuel rail. Monitors pressure. Equipment: CAT 320D.
Komatsu PC300 Solenoid Valve: Found in the hydraulic pump area. Controls oil flow. Equipment: PC300-7.
Isuzu 4BG1 Thermostat: Located in the coolant outlet. Regulates temperature. Equipment: JCB JS130.
Case Study: CAT 320B Rotation Failure
Symptoms: Excavator swing motor has no power or rotates unevenly.
Solution: Inspect the Swing Motor Main Valve 171-0030. If the internal spring is broken or the valve is stuck, replace with our high-quality 1710030 valve. Flush the hydraulic system to remove contaminants.
Maintenance Tip: Always change hydraulic filters every 500 hours and check the Komatsu 7861-92-4800 float switch to ensure your coolant/fuel levels are safe for operation.
| Model NO. | 171-0030 / 7861-92-4800 |
| Application | Excavator / Construction Machinery |
| Certification | ISO9001 Approved |
| Condition | New Aftermarket |
| Transport Package | Standard Export Carton |
| Origin | China |
| Production Capacity | 5000 PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | DHL, Fedex, EMS, UPS, Air, Sea |
Key Features:
High precision manufacturing for CAT320B compatibility.
Durable materials for extreme construction environments.
Direct replacement for OEM Part Number 171-0030 and 7861-92-4800.
Resolves electrical and hydraulic malfunctions effectively.
Cost-effective high-quality alternative to original parts.
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