S4DS006 Turbocharger for CAT D8N | 3406 Engine
Part Numbers: 196547 178059 194992 313013 478059 496547 0R6333 7C7691
Heavy-Duty Turbocharger Engineered for CAT D8N Earthmoving Equipment
The S4DS006 Turbocharger is designed specifically for Caterpillar’s legendary 3406 engine, commonly used in the CAT D8N bulldozer—one of the most reliable machines in earthmoving, mining, and construction.
Built to meet demanding work conditions, this turbocharger restores the machine’s original pushing power, fuel efficiency, and engine responsiveness. Whether your operation involves land clearing, mining haul roads, or large-scale construction projects, this turbo delivers stable, long-lasting performance.
Key Features
OEM-Standard Fitment
Fully compatible with all listed part numbers for the CAT 3406 engine. Direct installation with no modifications.
High-Strength Turbine Materials
Manufactured using heat-resistant housings and high-grade alloys built to handle long periods of high load and high temperature.
Precision-Balanced Rotating Assembly
Every turbo undergoes high-speed VSR balancing for smooth, reliable operation under heavy workloads.
Stable Boost & Improved Torque
The S4DS006 design ensures quick boost response and powerful torque across the entire RPM range—essential for earthmoving performance.
Fuel Efficiency Improvements
Optimized airflow supports cleaner combustion, helping reduce operational fuel costs.
Compatible OEM Part Numbers
- 196547
- 178059
- 194992
- 313013
- 478059
- 496547
- 0R6333
- 7C7691
If your D8N uses any of these turbocharger numbers, this is the correct replacement.
Who Is This Turbocharger Designed For?
Construction Companies
Using CAT D8N buldosers for land clearing, material pushing, or foundation work.
Mining & Quarry Operations
Needing a durable turbo that performs in dusty, high-temperature environments.
Heavy Equipment Workshops
Seeking an OEM-standard replacement part for customer repairs.
Contractors & Fleet Managers
Looking to restore machine power while minimizing downtime.
Distributors
Needing a stable, high-demand item with long-term market value.
What Problems Does It Solve?
This turbocharger helps resolve:
- Weak engine power
- Poor pushing force and slow acceleration
- Excessive smoke from worn turbo seals
- High fuel consumption
- Turbo whining or grinding noise
- Oil leakage or shaft play
- Cracked turbine housings
With the S4DS006 Turbo, your CAT D8N can return to its original productivity and efficiency.
Typical Usage Scenarios
1. Earthmoving & Land Clearing
High torque output allows the bulldozer to push large loads with ease.
2. Road Building & Infrastructure Projects
Stable boost performance ensures consistent working power.
3. Quarry Work & Aggregate Handling
Withstands dust, vibration, and prolonged operating hours.
4. Mining Operations
Resists thermal fatigue during high-load operations.
5. Large-Scale Construction
Improves machine responsiveness in hard soil and tough site conditions.
Installation Guide
1. Pre-Installation Checklist
- Replace engine oil and oil filter.
- Inspect the air intake system for dust or contamination.
- Ensure oil feed and drain lines are clean and unobstructed.
- Prime the turbo with clean engine oil.
2. Removing the Old Turbo
- Disconnect all air, exhaust, and oil lines.
- Remove mounting bolts carefully.
- Inspect exhaust manifold and gaskets for cracks or wear.
3. Installing the New Turbo
- Position the turbocharger and tighten bolts according to Caterpillar torque specs.
- Reinstall intake and exhaust piping securely.
- Connect oil feed and return lines using new gaskets.
4. First Startup Procedure
- Idle the machine for 3–5 minutes to lubricate the turbo.
- Check for air or oil leaks.
- Avoid heavy load until engine reaches working temperature.
Maintenance Recommendations
- Change oil regularly according to CAT’s service intervals.
- Allow the engine to idle before shutdown to cool the turbo.
- Keep air filters clean to prevent dust damage.
- Inspect hoses and clamps periodically.
- Monitor boost pressure during heavy use.
Proper maintenance significantly extends turbocharger life.
Frequently Asked Questions
Q1: Will this turbo fit a CAT 3406 engine in all D8N models?
Yes—if your machine uses one of the listed OEM numbers, it is a direct replacement.
Q2: Is it pre-balanced?
Yes, every turbocharger is VSR high-speed balanced before shipping.
Q3: What industries typically use this turbo?
Construction, mining, earthmoving, roadwork, and heavy equipment repair.
Q4: Do you offer bulk or distributor pricing?
Yes, wholesale discounts and long-term supply agreements are available.
Q5: What warranty is provided?
12-month manufacturing warranty.
About Us — Professional Turbocharger Manufacturer Since 2001
We are Zhongke Turbocharger Co., Ltd., established in 2001, specializing in:
- Complete turbochargers
- Turbo CHRA/core assemblies
- Repair kits
- Precision turbo components
Our products serve customers in Europe, South America, the Middle East, Africa, and Southeast Asia. With years of engineering experience, advanced CNC equipment, and strict quality control, we deliver reliable products trusted by global distributors and equipment owners.
Our Team
Engineering Team
Experts in turbocharger modeling, aerodynamic design, and durability testing.
Quality Control Team
Responsible for incoming material testing, balancing, assembly inspection, and final verification.
Production Team
Skilled technicians operating advanced machinery for consistent precision.
Customer Support Team
Providing quick responses, technical support, and after-sales assistance.
We believe in long-term cooperation built on trust, product stability, and honest communication.
Boost Your CAT D8N 3406 Engine Today
Bring your bulldozer back to peak working condition with the S4DS006 Turbocharger.
- OEM-standard quality
- Fast worldwide shipping
- Professional technical support
