Honour Time Machinery:Global Supplier of Yanmar 4TNE94 Engine Parts and Diesel Component Solutions

Welcome to Honour Time, your trusted partner for high-precision replacement engine components. We specialize in providing the exact parts you need, like the Yanmar 4TNE94 Piston 129901-22080, ensuring peak performance and longevity for your heavy machinery.

The Yanmar 4TNE94 Advantage: High-Quality Piston and Ring Components

For demanding applications involving the Yanmar 4TNE94 diesel engine, utilizing original specification parts is non-negotiable for maintaining optimal combustion efficiency and reliability. Honour Time stocks and supplies the exact match for your engine overhaul needs. This includes the essential Piston No: 129901-22080 (also referenced as 12990122080), designed to withstand high thermal loads and operational pressures. Pairing this piston with the correct Liner No: 6144-21-2211 (6144212211) and the Ring Set No: 6142-32-2020 (6142322020) guarantees a perfect seal and long service life. We provide expert sourcing for Yanmar engine rebuild kits and 4TNE94 major overhaul parts globally.

Comprehensive Technical Specifications for Yanmar 4TNE94 Engine Parts

Honour Time Machinery Limited: Your Engine Parts Global Hub

Honour Time Machinery Limited is a leading international supplier specializing in Diesel Engine Assemblies and Engine Spare Parts for the world's top construction and agricultural machinery brands. Our core product lines cover Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines.

Our comprehensive product range includes: Cylinder Liners, Pistons, Piston Rings, Main Bearing Shells, Connecting Rod Bearings, Thrust Washers, Complete Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Engine Blocks, Cylinder Heads, and Connecting Rods.

Essential Construction Machinery Component Glossary

• Crankshaft Pulley: Installed at the front of the Engine Block, drives accessories. E.g., Cummins 6BT5.9 Crankshaft Pulley for a Doosan DX225LC Excavator.

• Valve Tappet (Lifter): Located in the Cylinder Head or engine block, transmits motion from the cam lobe to the pushrod. E.g., Caterpillar C15 Valve Tappet for a Cat D8T Dozer.

• Camshaft Bushing: Pressed into the Engine Block, supports the camshaft journal. E.g., Isuzu 6HK1 Camshaft Bushing for a Hitachi ZX330 Excavator.

• Glow Plug: Installed in the Cylinder Head pre-combustion chamber, aids cold starting. E.g., Kubota V1505 Glow Plug for a Kubota KX040 Mini Excavator.

• Vibration Damper: Mounted on the front end of the Crankshaft, absorbs torsional vibrations. E.g., Komatsu SAA6D140 Vibration Damper for a Komatsu PC400-7 Excavator.

• Flywheel Ring Gear: Attached to the Flywheel, engaged by the starter motor pinion. E.g., Weichai WP7 Flywheel Ring Gear for a Shantui SL50 Wheel Loader.

• Oil Cooler Core: Located inside the Engine Block or on the oil filter header, cools engine oil using coolant. E.g., Yanmar 4TNV98 Oil Cooler Core for a Takeuchi TL10 Track Loader.

• Rocker Arm: Pivots in the Cylinder Head, opens and closes the engine valves. E.g., Cummins ISX15 Rocker Arm for a Freightliner Cascadia Truck.

• Piston Cooling Nozzle: Screwed into the Engine Block, sprays oil onto the underside of the piston. E.g., Caterpillar 3406 Piston Cooling Nozzle for a Cat 988B Wheel Loader.

• Connecting Rod Bolt: Secures the Connecting Rod to the crankshaft journal, found at the big end cap. E.g., Kubota D1105 Connecting Rod Bolt for a Kubota B26 Tractor.

Troubleshooting: Low Power and Excessive Black Smoke in Komatsu PC200-8

Fault Scenario: A Komatsu PC200-8 excavator, powered by a Komatsu SAA6D107E-1 engine, experiences a sudden drop in power, sluggish acceleration, and emits excessive black smoke under load. This often points to issues in the air-fuel mixture.

Resolution Plan: The most common causes are a faulty Fuel Injector or a damaged Turbocharger.

1. Inspect the Air Filter for blockage, as restriction causes rich mixture (black smoke).

2. Check the Turbocharger impeller for damage and excessive shaft play. A failing turbo cannot supply enough air, leading to incomplete combustion.

3. Perform an injector flow test. If an injector is stuck open or has a poor spray pattern, it dumps too much fuel. Replacing a faulty Komatsu PC200-8 Injector (part of the Fuel System) with a high-quality unit from Honour Time is often the direct solution.