✶ FACTORY DIRECT SPECIALIST: Customized Cylinder Liner & Piston Solutions ✶
Honour Time Machinery Limited is a source manufacturer, providing factory direct pricing and assurance on quality. We offer customized development and manufacturing services for various Cylinder Liners and compatible Pistons, crucial for legacy engines like the NT855. We support large-scale foreign trade export for demanding applications, ensuring reliable supply of OEM-grade parts.
Complete Engine Component Solution for the Cummins NT855
The Cummins NT855 is a legendary workhorse, particularly favored in large Komatsu and Caterpillar mining equipment worldwide. For a successful major overhaul, a matched set of Pistons and Cylinder Liners is non-negotiable for restoring compression and performance.
We supply a comprehensive range of components for the NT855, including multiple Piston variants and the essential Cylinder Liner:
Engine Model: NT855
Cylinder Liner Part Number: 3055099 (3055099)
Piston Set 1: 3045948 (3045948) and 3804426 (3804426)
Piston Set 2: 3028685 (3028685) and 3804416 (3804416)
Piston Set 3: 3069212 (3069212) and 4024785 (4024785)
Required Companion Parts: We also supply compatible Piston Ring Sets (not specified above, but essential) to complete the NT855 Inframe Kit.
Honour Time Machinery: Your Source for All Major Diesel Engine Spares
Honour Time Machinery Limited is a dedicated international supplier of Engine Assemblies and high-quality parts for the entire spectrum of heavy equipment. Our core expertise lies in providing components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai.
20 Critical Long-Tail Keywords for Engine Part Search:
Cylinder Liner Custom Fabrication
Piston Ring Set NT855 3069212
Crankshaft Bearing Undersize Kit
Connecting Rod Bearing Set Export
Overhaul Gasket Set Cummins NT855
Fuel Injector Nozzle Replacement
Engine Cylinder Head Assembly
Turbocharger Heavy Duty Supplier
Water Pump Assembly Komatsu
Oil Pump Assembly Caterpillar Engine
Thrust Washer NT855
Cylinder Block Isuzu
Crankshaft Engine Component
Piston 4024785 Supplier
Diesel Engine Spare Parts Global
Kubota Engine Repair Kit
Yanmar Diesel Engine Assembly
Weichai Power Connecting Rod
Engine Overhaul Kit Direct Source
NT855 Liner 3055099
10 Engine Component Definitions and Heavy Equipment Applications
Key engine components, their function, and the specific equipment they power, forming crucial keywords:
Piston Pin (Gudgeon Pin): Connects the piston to the connecting rod, allowing for pivot motion. Position: Inside the Piston Bosses. Example: Cummins NT855 Piston Pin (Used in Mining Haul Truck).
Valve Guide: Guides the vertical motion of the engine valve stem. Position: Pressed into the Cylinder Head. Example: Caterpillar 3408 Valve Guide (Used in Wheel Loader 988K).
Cam Follower (Tappet): Transmits motion from the camshaft lobe to the pushrod. Position: Rests on the Camshaft. Example: Komatsu 4D95 Cam Follower (Used in PC130 Excavator).
Timing Gear: Gears that synchronize the crankshaft and camshaft rotation. Position: Located at the front of the Engine Block. Example: Isuzu 6UZ1 Timing Gear (Used in Heavy Truck).
Fuel Lift Pump: Supplies low-pressure fuel to the main injection system. Position: Usually mounted on the side of the Engine Block. Example: Kubota V3600 Fuel Lift Pump (Used in Mini Excavator).
Oil Cooler Gasket: Seals the oil cooler to the engine block or filter housing. Position: Between the Oil Cooler and Engine Block. Example: Yanmar 4TNV98 Oil Cooler Gasket (Used in Generator Set).
Head Bolt: Secures the cylinder head to the engine block. Position: Threaded into the Cylinder Block through the head. Example: Weichai WP10 Head Bolt (Used in Bulldozer SD16).
Piston Cooling Nozzle: Sprays oil onto the underside of the piston crown for thermal management. Position: Bolted inside the Engine Block. Example: Cummins QSK60 Piston Cooling Nozzle (Used in Power Module).
Turbocharger Wastegate: Controls exhaust gas flow around the turbine to limit boost pressure. Position: Integrated into the Turbocharger Housing. Example: Caterpillar C7 Wastegate Actuator (Used in Excavator 325D).
Oil Pan (Sump): A reservoir for engine lubricating oil. Position: Bolted to the bottom of the Engine Block. Example: Komatsu WA500 Oil Pan (Used in Wheel Loader).
Field Service: Engine Low Power and Misfire Diagnosis
Engineering Fault: Severe Power Loss and Rough Running
Equipment/Model: Caterpillar D8T Track-Type Tractor with C15 ACERT Engine.
Fault Description: The machine struggles to push heavy loads, suffers from a noticeable loss of power, and the engine runs rough, particularly under load, indicating a Misfire or Loss of Compression in one or more cylinders.
Root Cause: Loss of compression, often due to a failed Head Gasket, worn Piston Rings, or damage to the Cylinder Liner. A compression test is the first step, followed by visual inspection (borescope) if necessary.
Treatment/Solution: If compression loss is confirmed, the engine requires disassembly. For a successful rebuild, replacement of the damaged Cylinder Liner and corresponding Piston and Piston Ring Sets is essential. Using high-tolerance parts like the NT855 Liner 3055099 and Piston 3804416 ensures the cylinder pressure and sealing capabilities are restored to new specifications, eliminating the power loss.
We provide comprehensive engine component solutions for critical maintenance, ensuring your equipment operates at maximum capacity with parts like Piston 3045948 and 4024785.
Global Direct Access to Engine Spares
Honour Time Machinery Limited is your dedicated partner for OEM-grade engine components. We facilitate smooth foreign trade export for bulk orders of all listed parts, including the Cummins NT855 Piston Liner Kits: 3045948, 3804426, 3028685, 3804416, 3069212, 4024785, and 3055099.
Contact Our Sales Team for Pricing & Export:
WhatsApp (Click to Chat): +8613532379052
Email (Click to Send Inquiry): [email protected]
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