Expert Solutions for Excavator Electronic Systems and Heavy Duty Engine Performance
We are a leading source factory and exporter specializing in custom development for various engine cylinder liners. High-quality production for international trade.
Featured Keywords: Cummins QSB6.7 Cylinder Liner | Komatsu 6D102 Liner Kit | Caterpillar C7 Engine Sleeve | Isuzu 4HK1 Wet Liner
Honour Time Machinery Limited is your premier global supplier for Cummins engine assembly, Komatsu excavator parts, Caterpillar heavy equipment spares, Isuzu diesel engine parts, Kubota industrial engine components, and Yanmar power systems. We provide comprehensive solutions for Weichai engine overhaul kits and accessories.
Our core inventory includes: Cylinder Liner, Piston, Piston Ring, Main Bearing, Connecting Rod Bearing, Thrust Washer, Full Gasket Overhaul Kit, Fuel Injection Pump, Fuel Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, and Connecting Rod.
Industry Long-tail Keywords: Excavator engine rebuild kit, heavy duty diesel engine maintenance, aftermarket construction machinery parts, OEM quality engine gaskets, high precision crankshaft replacement, industrial fuel system components, turbocharger efficiency upgrade, water pump cooling solutions, diesel engine block restoration, cylinder head assembly for sale, piston ring wear resistance, connecting rod durability, engine thrust plate clearance, fuel injector nozzle calibration, hydraulic excavator motor parts, mining equipment engine spares, agriculture machinery engine parts, marine diesel engine components, generator set engine overhaul, high pressure fuel pump repair.
Solve common throttle system failures such as unstable RPM, engine stalling, and response delays with our High Quality Chinese Alternative to original parts. Perfect fit for Komatsu PC200-6 and other series.
| Brand | Model | Part Number (Standard) | Part Number (Clean) | Product Name |
|---|---|---|---|---|
| Komatsu | PC200-6 / 6D95 | 7834-40-2000 | 7834402000 | Accelerator Motor / Throttle Motor |
| Komatsu | PC200-6 / 6D102 | 7834-40-2001 | 7834402001 | Accelerator Motor / Stepping Motor |
| Komatsu | PC120-6 | 7834-40-2003 | 7834402003 | Throttle Actuator Motor |
| Komatsu | PC200-7 / PC300-7 | 7861-92-4800 | 7861924800 | Float Switch / Level Sensor |
Precise Control: Designed for Komatsu 6D95 and 6D102 engines to ensure accurate throttle response.
High Durability: Use for excavator or construction machinery in harsh environments with reinforced internal gears.
Plug and Play: Direct replacement for part number 7834-40-2000, ensuring easy installation.
Optimized Efficiency: Reduces fuel consumption by maintaining stable engine RPM during operation.
Rigorous Testing: 100% factory tested for voltage stability and torque output before export.
We provide a wide range of engine parts for the following brands and models:
| Brand | Models Available |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| 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 | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
Crankshaft (Cummins B5.9-C): Installed in the cylinder block. It converts the linear motion of pistons into rotational energy to drive the equipment.
Turbocharger (Komatsu PC300-7): Mounted on the exhaust manifold. It forces more air into the combustion chamber to increase horsepower.
Fuel Injector (Caterpillar 320D): Located in the cylinder head. It sprays atomized fuel into the cylinder for efficient combustion.
Water Pump (Isuzu 6HK1): Attached to the front of the engine block. It circulates coolant to prevent engine overheating during heavy loads.
Piston Ring (Yanmar 4TNV94L): Fitted on the piston circumference. It seals the combustion chamber and regulates oil consumption.
Main Valve (Komatsu PC200-8): Part of the hydraulic control bank. It regulates the flow and pressure of hydraulic oil to actuators.
Radiator (Volvo D6E): Mounted at the front or side of the machine. It dissipates heat from the engine coolant through airflow.
Flameout Solenoid (Kubota V2403): Installed on the fuel injection pump. It cuts off fuel supply to stop the engine immediately.
Monitor (Caterpillar 320C): Located in the operator cabin. It displays engine status, fault codes, and vital machine data.
Cylinder Head (Weichai WD10): Bolted to the top of the engine block. It houses valves, injectors, and cooling passages.
Case Study: Komatsu PC200-6 Throttle Fault
Symptom: The excavator engine stays at idle speed regardless of the throttle dial position. Fault code E02 appears.
Solution: 1. Check the resistance of the Accelerator Motor 7834-40-2000. 2. Inspect the wiring harness for continuity. 3. In this case, the internal plastic gears were worn. 4. Replacement with a new Honour Time High Quality Motor restored full functionality.
Maintenance Tip: Always grease the throttle linkage every 250 hours to prevent binding, which can overload the stepper motor and cause premature failure.
| Model NO. | 7834-40-2000 / 7834-40-2001 | Application | Excavator / Earthmoving |
| Certification | ISO9001 / CE | Condition | 100% Brand New |
| Transport Package | Neutral Carton / Wood Case | Origin | Guangdong, China |
| Production Capacity | 5000 PCS / Year | Payment | T/T, Western Union, MoneyGram |
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