✨ SOURCE FACTORY ADVANTAGE: Custom Engine Component Development ✨
We are a manufacturer-direct and source factory, specializing in the precision customization and development of diesel engine Cylinder Liners and related rotating components. For popular models like the NT855, we offer bulk foreign trade export and highly competitive pricing. By choosing us, you access OEM-grade quality components directly from the source, guaranteeing reliability for your engine overhaul needs.
Premium Engine Overhaul Components for Cummins NT855 Diesel Engines
In demanding environments, such as the Australian mining and agricultural sectors, the Cummins NT855 remains a reliable powerhouse. Our comprehensive overhaul kit ensures that your engine, often found in Komatsu Dozers and large generators, receives the highest quality replacement parts for maximum lifespan and performance. We proudly supply the complete set of essential components required for a robust engine rebuild.
The core parts included in this NT855 Piston Liner Ring Kit are:
Engine Model: NT855
Piston Part Numbers: 3051554 (3051554), 3095738 (3095738), and 3081266 (3081266)
Cylinder Liner Number: 3055099 (3055099)
Piston Ring Set Number: 4089810 (4089810)
These components are critical for maintaining compression and oil control in your Cummins engine.
Global Leader in Diesel Engine Components – Honour Time Machinery Limited
Honour Time Machinery Limited is your international procurement partner, specializing in a vast inventory of engine assemblies and replacement spares for the heavy equipment market. We are recognized globally for supplying parts compatible with major brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our business expertise covers everything from small sealing components to complete engine blocks.
Our Extensive Range of Engine Spares:
Cylinder Liners (Sleeves)
Pistons (Assemblies)
Piston Rings (Sets)
Crankshaft Bearings (Main Bearings)
Connecting Rod Bearings (Con Rod Bearings)
Thrust Washers (End Play Control)
Overhaul Kits (Gasket Sets)
Fuel Pumps (Diesel Injection Pump)
Fuel Injectors (Nozzles)
Crankshafts (Engine Crank)
Turbochargers (Turbo Assembly)
Water Pumps (Cooling System Pump)
Oil Pumps (Lubrication Pump)
Cylinder Blocks (Engine Block Casting)
Cylinder Heads (Head Assemblies)
Connecting Rods (Con Rods)
Engine Assembly Supplier (Complete Engines)
Heavy Equipment Engine Components (Machinery Spares)
Diesel Engine Overhaul Parts (Engine Rebuild Kits)
OEM Quality Engine Parts (Aftermarket Spares)
Key Construction Machinery Parts Glossary and Installation Sites
To support your maintenance team, here is a glossary of 10 vital construction machinery engine components, detailing their function and where they are installed:
Piston: Transmits force to the crankshaft. Position: Inside the Cylinder Liner. Example: Cummins QSB6.7 Piston (Used in Medium Excavator).
Cylinder Liner (Sleeve): A replaceable surface for the piston. Position: Pressed into the Cylinder Block. Example: Komatsu SAA6D140E-3 Liner (Used in WA470 Wheel Loader).
Piston Ring: Seals combustion gases and controls oil. Position: Fitted in the Piston Groove. Example: Caterpillar C15 Piston Ring Set (Used in D8T Track-Type Tractor).
Main Bearing (Crankshaft Bearing): Supports the rotating crankshaft. Position: Mounted in the Cylinder Block Main Bore. Example: Isuzu 6BG1 Main Bearing (Used in Excavators).
Connecting Rod: Links the piston to the crankshaft. Position: Connects Piston to Crankshaft. Example: Kubota V3307 Connecting Rod (Used in Skid Steer Loader).
Thrust Washer: Limits the crankshaft's axial movement. Position: On the side of the Crankshaft Journal. Example: Yanmar 3TNV88 Thrust Washer (Used in Mini Excavator).
Fuel Injector: Delivers precise fuel into the cylinder. Position: Installed in the Cylinder Head. Example: Weichai WP12 Fuel Injector (Used in Mining Dump Truck).
Turbocharger: Boosts engine power by compressing air. Position: Connected to the Exhaust Manifold. Example: Cummins B Series Turbocharger (Used in Backhoe Loaders).
Water Pump: Circulates engine coolant. Position: Typically on the Front of the Engine Block. Example: Caterpillar 3406 Water Pump (Used in Dozers).
Oil Pump: Pressurizes and circulates engine oil. Position: Often located inside the Oil Pan or Front Gear Cover. Example: Komatsu 4D95 Oil Pump (Used in PC200 Excavator).
Critical Engine Maintenance: A Real-World Fault and Fix
Engineering Fault: Overheating and Head Gasket Failure
Equipment/Model: Caterpillar C9 Engine in a 336D Excavator.
Fault Description: The operator noticed persistent high engine temperatures, unexplained coolant loss, and white smoke from the exhaust. A pressure test confirmed coolant was leaking into the cylinders.
Root Cause: Sustained overheating caused by a faulty Coolant Thermostat that stuck closed, leading to excessive thermal stress and the subsequent failure of the Cylinder Head Gasket (part of the Overhaul Kit).
Treatment/Solution: The immediate fix involved replacing the failed thermostat and installing a new Cylinder Head Gasket using a complete engine Overhaul Kit. Crucially, the entire Cooling System was flushed, the radiator inspected for clogs, and the coolant mixture ratio verified. Regular inspection of the Water Pump and coolant levels is the key prevention measure.
By using our high-quality engine rebuild parts, including the precise Piston Ring Set 4089810, you ensure thermal stability and mechanical integrity for your machinery.
Your Trusted Global Partner for Engine Spares
Honour Time Machinery Limited is your reliable foreign trade and export specialist, providing source-quality engine components worldwide. We guarantee fast logistics and competitive pricing on all our products, from Pistons like the 3051554 to complete engine assemblies.
Connect with our Export Team:
WhatsApp (Click to Chat): +8613532379052
Email (Click to Send): [email protected]
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