The turbocharger 4720761 is a high-quality replacement turbo engineered to meet OEM performance standards for Isuzu 4LE1 and 4LE2 diesel engines used in John Deere 75D and 85D excavators. This turbocharger restores the engine’s original boost pressure and airflow, ensuring dependable performance even under continuous heavy-duty work in construction, digging, and material handling applications.
Precision-balanced internal components help reduce vibration and turbo lag while delivering smoother throttle response and improved power output. Its rugged turbine housing and heat-resistant construction provide excellent durability, even in demanding environments where equipment operates for extended hours under heavy load.
Replacing a worn or failing turbo with this unit addresses common performance issues such as reduced engine power, excessive exhaust smoke, decreased fuel efficiency, and sluggish acceleration. It also supports optimal combustion, helping maintain compliance with emissions standards and extending overall engine life.
This turbocharger is designed for direct-fit installation, utilizing the factory mounting points of the Isuzu engine without the need for modifications. Whether you are a fleet operator, service technician, or equipment owner, installing this turbo ensures consistent performance, reduced downtime, and reliable machine operation.
Key Features & Benefits
-
Direct-fit turbocharger 4720761 replacement
-
Precision engineered for Isuzu 4LE1 and 4LE2 diesel engines
-
Restores factory boost and engine performance
-
Precision-balanced for smooth operation and reduced turbo lag
-
Durable, heat-resistant construction for long service life
-
Improves throttle response, fuel efficiency, and power delivery
-
Reduces excessive exhaust smoke and supports cleaner combustion
-
Ideal for John Deere 75D and 85D excavators
Engine Compatibility
-
Isuzu 4LE1 Diesel Engine
-
Isuzu 4LE2 Diesel Engine
Vehicle / Equipment Applications
Compatible with excavators equipped with the specified engines, including:
-
John Deere 75D Excavator
-
John Deere 85D Excavator
(Always verify engine code and machine model before installation.)
Frequently Asked Questions
Q1: Which engines does this turbocharger fit?
A: This turbocharger fits Isuzu 4LE1 and 4LE2 diesel engines.
Q2: What excavator models use this turbo?
A: It fits John Deere 75D and 85D excavators equipped with the compatible engines.
Q3: What problem does replacing the turbo solve?
A: Replacing this turbo helps restore lost power, reduces excessive smoke, improves fuel efficiency, and enhances throttle response.
Q4: Is this a direct replacement for part number 4720761?
A: Yes, it is designed as a direct-fit replacement using factory mounting points.
Q5: Should installation be performed by a professional?
A: Yes, professional installation is recommended to ensure proper fitment and long-term performance.
Turbocharger TA3107, VOE4881432 VOE4880592 | Volvo TD45 TD45B / Loader 616B 646 6300 EL70 Engine
Turbocharger TF08LA, 114400-4074, 114400-3864 | Isuzu 6SD1 6SD1T Engine
Turbocharger TD04HL-15G, 89714-47060 49189-00550 | Isuzu 4BG1T 4BG1 / Hitachi EX120-5 EX130-5 EX135YR-1 EX150-5 Engine
Turbocharger TD04HL-15G, 49189-00501 | Isuzu 4BG1 4BG1T / Kobelco Excavator SK120-3 SK120-1 Engine 



