Honour Time Machinery Limited is a professional source manufacturer offering factory direct sales and dedicated foreign trade export services. We specialize in the custom development and high-volume production of crucial Diesel Engine Components. Whether you require precise specifications for a standard Cylinder Liner like 3919937, or require complex Two-Piece Piston assemblies (Crown 4941393, Skirt 3966721), we provide engineered solutions. Benefit from our expertise in manufacturing top-tier Engine Piston Rings such as 4089644 and related engine components, backed by reliable quality control for the global market.
Operating heavy machinery in the rigorous environment of the Dubai Heavy Equipment Market demands components that guarantee maximum durability and performance. Honour Time Machinery Limited offers a high-specification parts kit for the Cummins L375 and QSL9 engines, ensuring peak operational efficiency. This overhaul package centers on the key combustion components:
The Two-Piece Piston assembly, featuring the Piston Crown Part No. 4941393 (4941393) and the Piston Skirt Part No. 3966721 (3966721).
The high-strength Cylinder Liner, Part No. 3919937 (3919937), which provides the perfect bore for cylinder operation.
The complete set of Piston Rings, Part No. 4089644 (4089644), critical for compression and oil control.
As a leading international Engine Parts Supplier, our Export Business is built on supplying comprehensive Engine Assemblies and specialized spare parts for top machinery manufacturers globally. We are experts in providing components for cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai engines. Our main catalogue includes every critical component for a full engine rebuild, such as: Cylinder Liners, Pistons, Piston Rings, Crankshaft Bearings (Main/Rod/Thrust), Major Overhaul Gasket Kits, Diesel Fuel Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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Understand the function and location of critical engine and machine components with examples from top brands:
Camshaft: Located in the Engine Block or Cylinder Head. Opens and closes the engine valves. (Example: Cummins ISX Camshaft Position Sensor)
Final Drive Gear: Located in the Hub of the Wheel or Track Sprocket. Provides the final gear reduction to drive the machine. (Example: Komatsu PC200-8 Final Drive Seal Kit)
Oil Cooler: Typically mounted on the Engine Block near the oil filter. Reduces engine oil temperature. (Example: Caterpillar C7 Engine Oil Cooler Assembly)
Glow Plug: Installed in the Pre-Combustion Chamber or Cylinder Head of a diesel engine. Assists cold starting. (Example: Isuzu 4HK1 Glow Plug)
Hydraulic Pump: Mounted near the Engine Flywheel or Accessory Drive. Converts mechanical power into hydraulic pressure to operate machine attachments. (Example: Kubota KX080-3 Hydraulic Main Pump)
Rocker Arm: Located inside the Cylinder Head Valve Cover Area. Pivots to transfer motion from the pushrod or camshaft lobe to the valve stem. (Example: Yanmar 4TNE98 Rocker Arm Assembly)
Air Filter Element: Located in the Engine Air Intake Housing. Filters contaminants from the air before entering the turbocharger/engine. (Example: Weichai WP12 Air Filter Element)
Flywheel Ring Gear: Attached to the Engine Flywheel Outer Edge. Engages with the starter motor pinion. (Example: Cummins 6BT Flywheel Ring Gear)
Cylinder Head Gasket: Sandwiched between the Cylinder Block and the Cylinder Head. Seals the combustion chambers. (Example: Caterpillar 3408 Cylinder Head Gasket)
Fuel Rail: Part of the Common Rail Fuel System, mounted near the Injectors. Distributes high-pressure fuel. (Example: Komatsu PC400-8 Common Rail Fuel Rail Sensor)
Equipment and Fault: A Komatsu PC300-8 Excavator (Komatsu SAA6D114E Engine) is consistently overheating under load, leading to power deration and frequent shutdowns.
Diagnosis and Solution: Common causes include a failing Water Pump, blocked radiator, failed Thermostat, or even a localized failure in the combustion chamber resulting in compression leaking into the cooling system (often a failed Head Gasket). For the Komatsu SAA6D114E, a thorough check of the Cooling System is mandatory.
Remedy: If the Water Pump is leaking or the Thermostat is stuck closed, they must be replaced immediately. If inspection reveals coolant contamination or bubbles in the radiator, the Cylinder Head Gasket is likely compromised, requiring an Engine Overhaul. Honour Time Machinery Limited supplies high-quality Water Pumps and complete Major Overhaul Kits (including the Head Gasket, Piston Rings, and Bearings) to restore the engine's integrity and prevent thermal damage to the Liner 3919937 or the Piston 4941393.
Honour Time Machinery Limited is committed to providing reliable Engine Spare Parts solutions worldwide. Our business operations cover sourcing, quality control, and global Foreign Trade Export, ensuring you receive parts like the Piston 4941393/3966721 and Ring Set 4089644 with confidence. Contact us today for a seamless supply experience.
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