HX35 Turbo 4038475 3595157 3595158 3595858 3596667 3596668 3598702 3599109 3786885 6738-81-8092 6738818090 6738818091 4089711 408971100 6738828220 4087911 Turbocharger for Komatsu PC200-7 PC200-8 Excavator With 6BTAA Engine

TA3103 Turbocharger For Komatsu Excavator PC100 / PC120 With S4D95L Engine

Product Model & Part Numbers

Turbocharger Model:TA3103

OEM & Cross Reference Numbers:4038475 3595157 3595158 3595858 3596667 3596668 3598702 3599109 3786885 6738-81-8092 6738818090 6738818091 4089711 408971100 6738828220 4087911

Engine Model:S4D95L Diesel Engine

Application Type:Construction Machinery / Excavator

Overview

The TA3103 turbocharger is a compact heavy-duty replacement turbo specifically designed for Komatsu excavators equipped with the S4D95L diesel engine, including PC100 and PC120 models.

This turbocharger is engineered to restore original boost pressure, improve low-RPM torque, and stabilize engine output during continuous excavation and loading operations. It is an ideal solution for construction contractors, rental fleets, and repair workshops seeking dependable performance, fuel efficiency, and long service life.

Manufactured with high-temperature-resistant turbine materials and a precision-balanced rotating assembly, the TA3103 turbocharger delivers stable airflow, improved combustion efficiency, and reliable power output, even in dusty, high-load job site environments.

Key Features

OEM-Compatible Fitment

Direct replacement for Komatsu S4D95L engines with no modification required.

Compact Heavy-Duty Design

Optimized turbo size delivers fast boost response for small and mid-size excavators.

Stable Boost at Low & Mid RPM

Ensures smooth digging, lifting, and traveling performance.

Improved Combustion Efficiency

Optimized airflow reduces black smoke and incomplete fuel burn.

Precision-Balanced Rotating Assembly

Minimizes vibration, protects bearings, and extends turbocharger lifespan.

Designed for Harsh Job Sites

Reliable operation under high temperature, dust, and continuous workload conditions.

Applications

• Komatsu PC100 Excavator
• Komatsu PC120 Excavator
• S4D95L Diesel Engine Applications
• OEM replacement for worn or damaged turbochargers
• Construction equipment repair and overhaul
• Rental fleet and maintenance workshops

Benefits

• Restores factory engine power and responsiveness
• Improves digging efficiency and machine productivity
• Reduces exhaust smoke under load
• Enhances fuel utilization and engine stability
• Lowers downtime and long-term maintenance cost
• Designed for long-term industrial durability

Technical Specifications

Installation & Maintenance Guide

Installation Steps

• Ensure the engine is completely cooled before disassembly
• Drain engine oil to avoid contamination
• Remove intake, exhaust, and oil pipes carefully
• Prime the TA3103 turbocharger with clean engine oil
• Install according to Komatsu OEM torque specifications
• Reconnect oil feed, oil return, intake, and exhaust connections
• Start engine and idle for 3–5 minutes
• Check for oil or exhaust leaks before operation

Maintenance Tips

• Change engine oil and oil filter at recommended intervals
• Use high-quality diesel engine oil suitable for turbocharged engines
• Inspect and clean air filters regularly
• Allow engine to idle before shutdown after heavy work

Usage Scenarios

• Daily excavation and trenching operations
• Construction site material loading
• Municipal and infrastructure projects
• Fleet maintenance and engine rebuilds
• Workshop turbo replacement services

FAQ

Q1: Is the TA3103 turbo a direct replacement for Komatsu S4D95L engines?
Yes. It is designed to match OEM specifications for Komatsu PC100 and PC120 excavators.

Q2: Does this turbo improve low-speed digging power?
Yes. The TA3103 is optimized for strong low- and mid-RPM boost response.

Q3: Is professional installation recommended?
Yes. Proper oil priming and installation ensure long turbo service life.

Q4: What warranty do you provide?
A 6-month warranty covering manufacturing defects.

Q5: Can this turbo reduce black smoke?
Yes. Optimized airflow improves combustion efficiency and reduces smoke.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd., founded in 2001, is a professional manufacturer specializing in turbochargers, CHRAs, and turbo components for construction machinery, trucks, industrial engines, and marine applications.

Why Choose Us

• OEM-standard manufacturing and strict quality control
• Advanced dynamic balancing and durability testing
• Over 20 years of turbocharger engineering experience
• Trusted by global distributors, workshops, and equipment fleets

Our products are engineered to deliver reliable power, extended service life, and cost-effective performance in demanding working environments.

TA3103 Turbocharger for Komatsu PC100 PC120 S4D95L Engine | Excavator Turbo Replacement Buy TA3103 turbocharger for Komatsu PC100 and PC120 excavators with S4D95L diesel engine. OEM replacement, stable boost, long service life.

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