As a trusted Source Manufacturer, we offer Direct Factory Supply and Custom Design for all engine components. Our quality ensures successful Foreign Trade Export for VT28 and other heavy-duty diesel engines globally.
The Cummins VT28 engine demands precision components for effective power delivery. Honour Time Machinery Limited supplies everything needed for a complete cylinder overhaul, focusing on maximum engine efficiency.
Our inventory includes multiple compatible Piston Assemblies: 3801267, 3003176, 3058363 / 3803002 (3058363, 3803002), and 4911685.
These pair perfectly with the specified Cylinder Liner part number 3055099, and the essential Piston Ring Set part number 4089810, which guarantees superior sealing and oil control performance.
We are dedicated to providing genuine quality engine parts for the world's most demanding machines, covering brands such as Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our expertise lies in comprehensive diesel engine overhaul kits and engine repair solutions.
Our main product categories include:
Cylinder Components: Cylinder Liner, Piston, Piston Ring.
Engine Bearings: Crankshaft Bearing (Main Bearing), Connecting Rod Bearing, Thrust Plate.
Fuel & Air: Diesel Fuel Pump, Fuel Injector, Turbocharger Unit.
Mechanical Assemblies: Crankshaft, Engine Block, Cylinder Head, Connecting Rod.
We specialize in efficient heavy equipment engine components export, ensuring rapid delivery and technical support worldwide.
Engine Governor: Located on the Fuel Pump/Injection System. Automatically controls engine speed and output. (Cummins VT28 Engine - Governor Spring)
Oil Cooler: Installed in the Engine Block or next to the oil filter. Cools engine oil using engine coolant. (Komatsu GD675-5 Grader - Oil Cooler Core)
Cylinder Head Gasket: Located between the Cylinder Head and Engine Block. Seals the combustion chamber and coolant/oil passages. (Caterpillar C9 Engine - Cylinder Head Gasket)
Valve Guide: Pressed into the Cylinder Head. Guides the linear motion of the valve stem. (Isuzu 6HK1 Engine - Valve Guide)
Heat Plug: Located in the Intake Manifold (used on some indirect injection engines). Heats intake air for cold starting. (Kubota V2203 Engine - Heat Plug)
Oil Filter Base: Attached to the Engine Block. Provides a mounting surface for the oil filter(s). (Yanmar 4TNV98 Engine - Oil Filter Base)
Fuel Transfer Pump: Part of the Fuel System. Draws fuel from the tank and supplies it to the injection pump/rail. (Weichai WP12 Engine - Fuel Transfer Pump)
Bearing Housing: Part of the Turbocharger Assembly. Contains the turbo's main shaft bearings. (Cummins NTC-400 Engine - Turbo Bearing Housing)
Camshaft Gear: Installed on the Camshaft. Engages the timing gear train to synchronize valve timing. (Caterpillar 3412 Engine - Camshaft Gear)
Hydraulic Pump: Externally mounted, driven by the Engine. Supplies pressurized fluid for machine functions (e.g., excavation). (Komatsu PC400-8 Excavator - Hydraulic Pump)
Fault Symptom: The hydraulic system oil temperature gauge indicates Severe Overheating after only short periods of operation.
Common Causes & Solution:
Cause 1: Insufficient Hydraulic Oil Cooling. Blocked or dirty hydraulic oil cooler fins, preventing heat exchange. Solution: Thoroughly clean the external surfaces of the hydraulic oil cooler. Check for proper fan operation and belt tension if applicable.
Cause 2: System Over-Pressurization. A relief valve in the hydraulic circuit is sticking or set too high, generating excessive heat. Solution: Test the main relief valve pressure setting. Adjust or replace the relief valve components.
Cause 3: Internal Pump Wear. Excessive internal leakage within the Hydraulic Pump due to wear creates turbulence and heat without effective work output. Solution: Measure pump flow and leakage. If severe, overhaul or replace the Hydraulic Pump unit.
For immediate quotes on Cummins VT28 Pistons, Liners, and Ring Sets, contact Honour Time Machinery Limited, your expert in diesel engine overhaul parts.
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