TF08L Turbocharger 49134-00021 / 114400-3530 for Hitachi EX300-5 Excavator (6SD1 / 4M40 Engine)
Product Overview
The TF08L Turbocharger (Part Numbers: 49134-00021, 49134-00020, 4913400021, 1144003530, 114400-3530) is a premium replacement turbo designed for Hitachi EX300-5 excavators equipped with Isuzu 6SD1 or 4M40 engines.
Engineered to OEM standards, this turbocharger restores engine power, improves fuel efficiency, and ensures stable boost pressure under heavy-load construction environments.
Key Features & Benefits
OEM-Level Performance
Produced using OEM-grade materials and precision-balanced components, guaranteeing stable boost response and long-term durability.
100% Drop-In Replacement
Direct fit for:
- Hitachi EX300-5 Excavator
- Engines: 6SD1 / 4M40
Perfect match to the original turbo for easy installation.
Increased Power & Fuel Efficiency
Restores lost horsepower, improves torque output, and optimizes fuel combustion.
High-Temperature & Heavy-Load Resistant
Designed for construction machinery that runs long hours under extreme load and heat.
Reduced Turbo Lag
Advanced compressor design provides quicker spool and better throttle response.
Compatible Part Numbers
Fully compatible replacement for the following OEM & aftermarket numbers:
- 49134-00021
- 49134-00020
- 4913400021
- 1144003530
- 114400-3530
Suitable for:
- Hitachi EX300-5 Excavator
- Isuzu 6SD1 Engine
- Isuzu 4M40 Engine
Who Is This Turbocharger For?
This product is ideal for:
Excavator Owners & Fleet Managers
Needing reliable replacement parts to reduce downtime.
Construction Companies
Requiring turbos that can survive harsh environments and long operation hours.
Machinery Repair Shops
Looking for a stable, OEM-quality turbo alternative.
Exporters / Distributors
Seeking durable, high-demand excavator turbochargers for global markets.
What Problems Does It Solve?
- Loss of excavator power
- Turbo oil leakage or smoking issues
- Slow boost response
- Excessive fuel consumption
- Damaged or worn-out OEM turbocharger
- High downtime & costly OEM replacements
This turbocharger keeps your excavator working efficiently, reliably, and profitably.
Technical Specifications
| Turbo | Detail |
|---|---|
| Model | TF08L Turbocharger |
| Part Numbers | 49134-00021 4913400021 49134-00020 1144003530 114400-3530 |
| Application | Hitachi EX300-5 |
| Engine | Isuzu 6SD1 / 4M40 Engine |
| Material | High-grade cast steel & aluminum |
| Balance | VSR High-Speed Balanced |
| Condition | 100% Brand New |
Recommended Usage Scenarios
1. Heavy Construction Sites
Provides stable boost during earthmoving, digging, and long operation hours.
2. Mining & Quarry Work
Handles high dust, heavy loads, and long-duty cycles.
3. Road Building & Infrastructure
Boosts machines that must operate continuously without breakdowns.
4. Equipment Rental
Long-lasting turbo ideal for fleets with high usage frequency.
Installation Guide (Simple Tutorial)
Step-by-Step Turbo Replacement
- Turn off engine and disconnect the battery.
- Remove intake & exhaust connections.
- Drain oil and disconnect oil feed/return lines.
- Remove the old turbo from the manifold.
- Install the new TF08L turbo with new gaskets.
- Reconnect oil lines (ensure no blockage).
- Prime the turbo with fresh engine oil.
- Reconnect intake & exhaust pipes.
- Start engine and idle for 3–5 minutes to lubricate.
- Test for boost pressure and oil leaks.
Important Tips
- Replace the oil & filter during installation.
- Ensure no foreign particles remain in intake piping.
- Never rev engine immediately after installation.
FAQ — Frequently Asked Questions
Q1: Is this turbocharger brand new or refurbished?
A: 100% brand new with OEM-standard components.
Q2: Does it fit Hitachi EX300-5 without modification?
A: Yes, it is a direct replacement for 6SD1 / 4M40 engines.
Q3: Do you offer customization or OEM branding?
A: Yes, we support laser logo printing, custom packaging, and bulk orders.
Q4: How do you ensure product quality?
A: Every turbo undergoes:
- High-speed VSR balancing
- Airflow calibration
- Pressure & leak testing
- Final performance inspection
Q5: Can I order in bulk?
A: Yes, we supply for distributors, wholesalers, and fleets.
About Us — Fengcheng Zhongke Turbocharger Co., Ltd.
Founded in 2001, Fengcheng Zhongke Turbocharger specializes in manufacturing turbochargers, CHRAs, repair kits, and turbo components for global markets.
Our Advantages
- 20+ years of turbo manufacturing experience
- OEM-level production standards
- Advanced balancing machines & CNC machining
- Large inventory & fast delivery
- Supported global brands: Cummins, CAT, Holset, Garrett, IHI, Mitsubishi, Schwitzer, BorgWarner, etc.
Meet Our Team
Professional | Experienced | Reliable
Our team includes:
- Senior turbo engineers with 15–25 years experience
- Precision CNC machining experts
- Quality control specialists ensuring each turbo meets OEM requirements
- International sales team familiar with machinery markets worldwide
We help customers not only purchase a turbo, but also solve technical problems, reduce downtime, and enhance machine efficiency.
Ready to Boost Your Excavator’s Performance?
Contact us today for pricing, bulk order support, or technical assistance.
Your machine deserves reliable power — we deliver it.
