3LM Turbocharger for Caterpillar Earth Moving Equipment – 3306 Diesel Engine
Product Model & Part Numbers
Turbo Model: 3LM
OEM & Reference Part Numbers:
310135, 184119, 40910-0006, 172495, 7N7748, 0R5807
(Please confirm part number and engine configuration before ordering.)
Product Overview
The 3LM turbocharger is a heavy-duty, OEM-standard replacement specifically designed for Caterpillar earth moving equipment powered by the 3306 diesel engine. It is engineered to restore factory boost pressure, optimize airflow, and ensure stable engine performance under continuous high-load and harsh operating conditions.
This turbocharger is widely used in construction machinery, mining equipment, loaders, bulldozers, and other off-highway Caterpillar applications, where durability, reliability, and torque output are critical.
Built with high-temperature-resistant materials and a precision-balanced rotating assembly, the 3LM turbocharger delivers consistent boost, reduced turbo lag, and extended service life—making it an ideal solution for equipment owners, fleet operators, and professional repair workshops.
Key Features
OEM-Compatible Direct Fit
Designed to match Caterpillar 3306 engine specifications and listed OEM part numbers for easy installation.
Heavy-Duty Construction
Manufactured with robust, heat-resistant alloys suitable for continuous operation in demanding environments.
Stable & Reliable Boost Pressure
Restores factory airflow and boost levels to ensure consistent torque and power delivery.
Improved Engine Efficiency
Optimized compressor and turbine design enhances combustion efficiency and engine responsiveness.
Reduced Turbo Lag
Efficient turbine wheel geometry ensures faster spool-up under load.
Precision Dynamic Balancing
Each CHRA is dynamically balanced to minimize vibration, protect bearings, and extend turbo lifespan.
Vehicle & Equipment Applications
- Caterpillar earth moving machinery
- Equipment powered by Caterpillar 3306 diesel engines
- Loaders, bulldozers, graders, and off-highway vehicles
- Construction and mining equipment
- Industrial and heavy-duty diesel applications
Who This Product Is For
This 3LM turbocharger is ideal for:
- Construction and mining equipment owners
- Fleet operators managing Caterpillar machinery
- Diesel engine rebuilders and overhaul specialists
- Heavy equipment repair workshops
- Parts distributors supplying CAT engine components
Problems This Turbocharger Solves
If your Caterpillar 3306 engine is experiencing:
- Loss of power or slow response under load
- Excessive black smoke during operation
- Reduced efficiency in earth moving tasks
- Turbo noise, oil leakage, or bearing failure
- Performance drop due to worn or damaged turbo
The 3LM turbocharger restores proper airflow and boost pressure, bringing the engine back to stable, reliable operating condition.
Benefits
- Restores factory-level power and torque
- Improves performance during heavy-duty operation
- Reduces exhaust smoke and incomplete combustion
- Enhances reliability for long working hours
- Designed for long service life and reduced downtime
Technical Specifications
| Turbo | Specification |
|---|---|
| Turbo Model | 3LM Turbocharger |
| Part Numbers | 310135 184119 40910-0006 172495 7N7748 0R5807 |
| Engine Model | Caterpillar 3306 Diesel |
| Application | Caterpillar Earth Moving Equipment |
| Cooling Type | Oil-cooled |
| Material | Heat-resistant alloy, precision-balanced CHRA |
| Operating Type | Heavy-duty, continuous load |
| Condition | Brand New |
| Warranty | 6 months |
Installation & Usage Guide
Installation Steps
- Allow the engine to cool completely before turbocharger removal.
- Drain engine oil and inspect oil feed and return lines.
- Remove intake piping, exhaust connections, and mounting hardware.
- Pre-lubricate the 3LM turbocharger with clean engine oil.
- Install according to Caterpillar OEM torque specifications.
- Reconnect oil lines, intake, and exhaust systems.
- Start the engine and idle for 3–5 minutes to verify oil pressure and check for leaks.
Professional installation is strongly recommended.
Maintenance Recommendations
- Replace engine oil and oil filter at recommended service intervals.
- Inspect air filtration systems regularly to prevent compressor damage.
- Ensure oil supply lines remain clean and unobstructed.
- Allow engine to idle briefly after heavy operation before shutdown.
- Avoid sudden engine shutdown under high load.
Typical Usage Scenarios
- Construction site earth moving operations
- Mining and quarry machinery
- Fleet maintenance and preventive replacement programs
- Engine rebuild and overhaul projects
- Professional diesel equipment repair services
Frequently Asked Questions (FAQ)
Q1: Is this 3LM turbo a direct replacement for Caterpillar 3306 engines?
Yes. It is designed to meet OEM dimensions and specifications for the listed part numbers.
Q2: Can this turbo handle continuous heavy-load operation?
Yes. It is built specifically for earth moving and off-highway applications.
Q3: Is this turbocharger brand new?
Yes. This is a brand-new turbocharger, not remanufactured.
Q4: Does it help reduce smoke and improve efficiency?
Yes. Proper boost and airflow improve combustion and reduce exhaust smoke.
Q5: What warranty is provided?
A 12-month warranty against manufacturing defects is included.
Why Choose Us
Proven Turbocharger Manufacturing Expertise
We specialize in turbocharger solutions for automotive, heavy-duty truck, construction, industrial, and marine engines, with a strong focus on Caterpillar diesel platforms.
Strict Quality Control
- OEM-standard production processes
- High-speed dynamic and VSR balancing
- Multi-stage inspection before shipment
- Consistent performance and reliability
About Our Company
Fengcheng Zhongke Turbocharger Co., Ltd., established in 2001, is a professional manufacturer of turbochargers, CHRAs, repair kits, turbine shafts, and compressor wheels for diesel and gasoline engines across automotive and heavy equipment sectors.
Our Team
Our team consists of experienced engineers, quality inspectors, and international sales professionals who understand real-world operating conditions, installation challenges, and aftermarket requirements.
This technical and market knowledge allows us to provide reliable products, accurate support, and long-term cooperation for global customers.
Customization & Supply Support
- OEM and private label services
- Bulk and fleet supply capability
- Technical consultation before purchase
- Responsive after-sales support
Looking for a reliable 3LM turbocharger supplier for Caterpillar 3306 engines?
Contact us today for pricing, lead time, and technical confirmation.
3LM Turbocharger for Caterpillar 3306 Engine | OEM 310135 Replacement Heavy-duty 3LM turbocharger for Caterpillar 3306 earth moving engines. Compatible with 310135, 7N7748, 0R5807. OEM fit, reliable boost.
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