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[email protected]As a certified source factory, Honour Time Machinery Limited specializes in the custom development and direct sales of precision engine cylinder liners. We are a key partner for Foreign Trade Export, guaranteeing high-quality components for all major construction engine models.
Featured Cylinder Liner Keywords:
Cummins QSB6.7 Cylinder Liner
Komatsu 6D107 Cylinder Liner
Caterpillar 3116 Cylinder Liner
Isuzu 4HK1 Cylinder Liner
The Slewing Motor is a critical component for your excavator's stability and rotational speed. Our high-quality replacement motor and Swing Reduction Gearbox are designed to offer a perfect fit and long-term reliability for demanding construction environments, specifically targeting common failure points in older units like the CAT305.5E and E306 (12*12) models.
Precision Engineering: Designed as a high-grade substitute for GFT7T2, ensuring seamless integration and optimal performance.
Wide Compatibility: Directly applicable for E306 (12*12) and the Shanhe 50 Kangmaier (12*12) mini-excavator models.
Durability: Built to withstand the high-torque demands of excavator slewing operations, reducing the risk of premature seal or bearing failure.
Cost-Effective: Offers original equipment performance at a factory-direct price.
Application Focused: Use for Caterpillar CAT305.5E excavator or similar compact construction machinery.
| Attribute | Detail |
|---|---|
| Product Name | Swing Reduction Gear & Motor Assembly |
| Models Covered | E306 (12*12), Shanhe 50 Kangmaier (12*12), CAT305.5E (Substitute) |
| Part Number (PN) | GFT7T2, GFT7T2 |
| Model No. | E306 (12*12), SY50C (Assumed Substitute) |
| Application | Excavator, Construction Machinery |
| Condition | New |
| Certification | ISO 9001 |
| Specification | 12*12 (Gear Configuration) |
| Trademark | HMT (Honour Time Machinery Limited) |
| Origin | China |
| Production Capacity | 5000 PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Transport Package | Carton |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/Sea |
Honour Time Machinery Limited is your global partner for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engine assembly and High-Quality Spare Parts. We stock everything needed for a full engine overhaul or routine maintenance.
Liner Kit (Cylinder Liner Set)
Piston (Engine Piston)
Piston Ring (Piston Ring Set)
Gasket Kit (Engine Overhaul Gasket Kit)
Gasket Head (Cylinder Head Gasket)
Crankshaft (Engine Crankshaft)
Valve Guide (Engine Valve Guide)
Nozzle (Fuel Injector Nozzle)
Bearing (Main Bearing, Rod Bearing)
Pressure Switch (Oil Pressure Switch)
Flameout Solenoid (Engine Shutdown Solenoid)
Monitor (Excavator Monitor Display)
Radiator (Engine Cooling Radiator)
Main Valve (Hydraulic Main Control Valve)
Belt (Engine Drive Belt)
Engine Bearing (Crankshaft Bearing Set)
Cylinder Block (Bare Cylinder Block)
Valve Seat (Engine Valve Seat Insert)
Accelerator Motor (Throttle Motor)
Transmitter (Sensor/Transducer)
Fan Cooling (Cooling Fan Assembly)
Other Engine Parts Model We Can Provide
Cummins B5.9-C overhaul kit price
Komatsu 6D102 turbocharger replacement
Caterpillar C7 injector pump solenoid
Isuzu 4BG1 water pump genuine substitute
Yanmar 4TNV94L crankshaft bearing failure
Kubota V3307 main bearing set
Weichai WP10 connecting rod bearing size
Excavator throttle motor troubleshooting
Slewing motor oil leakage repair kit
Hydraulic final drive gearbox overhaul
Diesel pump repair near me
High quality thrust plate supplier
Cylinder block casting defects solutions
Engine assembly complete unit price
Pressure switch location on excavator
Flameout solenoid valve replacement
Piston ring installation direction
Valve seat insert material
Crankshaft grinding services
Excavator monitor display repair
| Brand | Models Available |
|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, J05E, 6D34, 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 |
Cylinder Block: The main structural body of the engine, where the pistons move. Cummins QSB6.7 Cylinder Block.
Piston Ring: Seals the combustion chamber and regulates oil consumption. Located in the piston grooves. Komatsu 4D95 Piston Ring Set.
Crankshaft Bearing (Main/Rod): Supports the rotating crankshaft/connecting rod. Located in the engine block/rod cap. Caterpillar C7 Main Bearing Set.
Turbocharger: Increases engine power by forcing extra air into the combustion chamber. Mounted on the exhaust manifold. Isuzu 6HK1 Turbocharger Assembly.
Water Pump: Circulates coolant through the engine and radiator to maintain operating temperature. Mounted on the front of the engine block. Yanmar 4TNV88 Water Pump.
Slewing Motor: Drives the rotation of the upper structure (cab/boom) on an excavator. Located under the cab structure. E306 Slewing Motor Assembly.
Diesel Pump (Fuel Injection Pump): Delivers high-pressure fuel to the injectors. Mounted on the engine side/rear. Weichai WP12 Diesel Pump.
Accelerator Motor (Throttle Motor): Controls the engine speed based on operator input. Typically located near the engine throttle linkage. Kubota KX080-4 Accelerator Motor.
Flameout Solenoid: An electrical device that cuts off fuel supply to stop the engine. Mounted near the injection pump. Komatsu 6D107 Flameout Solenoid.
Hydraulic Main Valve: Directs hydraulic fluid flow to various actuators (boom, arm, bucket, swing). Located in the main control box near the hydraulic tank. Caterpillar 305.5E Hydraulic Main Valve.
One common issue with the Caterpillar C7 engine, often found in the CAT 320D series, is excessive oil consumption, frequently signaled by blue smoke from the exhaust.
Solution: This is often due to worn or stuck Piston Rings or failed valve stem seals. Replacing the full Liner Kit (including Pistons and Piston Rings) and the Gasket Head using high-grade replacement parts from Honour Time Machinery Limited is the most effective corrective action.
Always use genuine or certified replacement Engine Bearings and Thrust Plates during a bottom-end overhaul.
Regularly check the hydraulic fluid levels and replace the filter to protect sensitive components like the Main Valve and Swing Motor.
Ensure the Fan Cooling system is clean and belts are tensioned correctly to prevent overheating (which damages Gasket Kits).
Monitor the Accelerator Motor response and calibrate it regularly to ensure optimal fuel efficiency and power.
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