22W1522242 , 22W-15-22242 GEAR KOMATSU

High-Precision Internal Gear for Komatsu Heavy Machinery — OEM-Grade Component by 3GEN Export

The 22W-15-22242 GEAR KOMATSU, also referenced as 22W1522242 GEAR KOMATSU, is a precisely engineered internal gear designed for the robust powertrain and transmission systems of Komatsu heavy-duty machines. Built to perform flawlessly in high-torque environments, this gear ensures the efficient transmission of power, consistent torque delivery, and seamless mechanical synchronization under continuous operation.

Crafted from premium alloy steel, this gear is heat-treated, carburized, and precision-ground to provide exceptional hardness, wear resistance, and dimensional stability. Its optimized tooth geometry and surface finishing make it ideal for the demanding conditions found in construction, mining, and earthmoving operations.

As part of 3GEN Export’s OEM-grade Komatsu parts portfolio, the 22W1522242 gear is manufactured to meet global quality standards and shipped with worldwide delivery in just 5 working days.

Function and Role in Komatsu Machinery

The 22W-15-22242 GEAR KOMATSU is primarily used in transmission assemblies and final drive mechanisms of Komatsu excavators, bulldozers, and wheel loaders. As an internal gear, it serves as a critical torque conversion component that interlocks with external pinions to facilitate smooth power flow across the drivetrain.

This gear’s engineering precision allows it to:

• Transmit mechanical energy with minimal frictional loss.

• Enhance power output under heavy load conditions.

• Maintain alignment of rotating shafts under constant pressure.

• Minimize vibration and noise, ensuring quieter, smoother operation.

• Prolong system lifespan, protecting connected elements like shafts, bearings, and couplings.

By integrating the 22W1522242 gear into your Komatsu equipment, operators can expect increased mechanical efficiency and longer service intervals.

Technical Specifications

Compatible Komatsu Models

The 22W-15-22242 GEAR KOMATSU fits a range of Komatsu machinery models operating in earthmoving, mining, and construction applications.

Excavators

• Komatsu PC200-8

• Komatsu PC210LC-8

• Komatsu PC220-7

• Komatsu PC240-8

• Komatsu PC300-8

• Komatsu PC350LC-8

• Komatsu PC400-7

• Komatsu PC450LC-8

Bulldozers

• Komatsu D65EX-16

• Komatsu D85EX-15

• Komatsu D155AX-8

Wheel Loaders

• Komatsu WA250-6

• Komatsu WA320-6

• Komatsu WA380-7

• Komatsu WA470-8

Motor Graders / Utility Equipment

• Komatsu GD675-5

• Komatsu GD705A-4

Each model utilizes this gear or an equivalent design in its transmission or reduction drive system, depending on regional and serial variations.

Material and Engineering Excellence

1. High-Grade Alloy Steel

Manufactured from 42CrMo4 / SCM440 alloy steel, the 22W1522242 gear delivers a balanced combination of hardness and toughness. Chromium contributes to surface wear resistance, while molybdenum enhances the core strength and thermal stability under heavy-duty operation.

2. Heat Treatment Process

This gear undergoes a multi-phase carburizing and tempering process. The surface is hardened to 62 HRC for abrasion resistance, while the inner core retains flexibility to absorb operational shock loads and prevent brittle fracture.

3. Precision Tooth Engineering

Tooth geometry is optimized using CNC hobbing and grinding technology. Each tooth is machined to micrometer precision, ensuring tight backlash control and uniform load distribution.

4. Anti-Friction Surface Finishing

The surface of each gear is ground and polished to reduce operational friction and improve lubrication retention, resulting in quieter operation and lower energy consumption.

5. Corrosion and Environmental Protection

The 22W-15-22242 gear is coated with an anti-corrosive finish that prevents oxidation in humid, oil-exposed, or saline environments. This treatment ensures dimensional integrity even after extended storage or usage in offshore and desert operations.

Performance Benefits

• High Torque Resistance — Engineered to withstand extreme torque loads typical in hydraulic and mechanical drive systems.

• Longer Wear Life — Surface hardening ensures superior resistance against pitting, scuffing, and tooth deformation.

• Enhanced Power Transmission Efficiency — Low friction and high-precision machining minimize energy loss.

• Smooth Operation — Reduces vibration, noise, and heat buildup during prolonged use.

• Low Maintenance Requirements — Extended lubrication cycles and wear resistance minimize downtime.

• Reliability in Harsh Conditions — Performs consistently under dust, vibration, and temperature variation.

Mechanical Role in Powertrain Systems

The 22W-15-22242 GEAR KOMATSU works in combination with mating pinions and shafts to transfer torque through the drivetrain system.

Transmission Assemblies

In Komatsu excavators, this gear ensures seamless gear shifting and torque transfer between engine output and hydraulic systems.

Final Drives

In crawler bulldozers and wheel loaders, it helps distribute torque between sprocket hubs and axle shafts, enhancing traction and power delivery to the ground.

Hydraulic Power Modules

In machines with hydrostatic drives, this gear converts rotational energy into controlled motion within precision hydraulic assemblies.

Installation and Maintenance

Installation Process

1. Clean All Contact Surfaces before installation.

2. Align the gear teeth with the mating pinion or shaft.

3. Use proper torque values when securing fasteners.

4. Lubricate using OEM-recommended gear oil before operation.

5. Run a 15-hour test cycle at reduced load to allow gear seating.

Maintenance Recommendations

• Replace gear oil every 500 operational hours.

• Inspect teeth for pitting, wear, or scoring at every service interval.

• Use magnetic plugs to monitor metal debris in oil.

• Avoid mixing incompatible lubricants.

• Maintain cleanliness of the gearbox to prevent contamination.

Proper maintenance ensures optimal performance and extends operational life beyond 15,000 working hours.

Quality Assurance and Testing

Every 22W-15-22242 GEAR KOMATSU undergoes a rigorous inspection and validation process at 3GEN Export’s manufacturing and testing facilities.

Tests Performed:

• Dimensional Accuracy Verification: Conducted using CMM (Coordinate Measuring Machine).

• Hardness Mapping: Confirms consistent case hardening depth.

• Ultrasonic Inspection: Detects internal inclusions or cracks.

• Dynamic Balancing: Prevents vibration during high-speed operation.

• Profile Accuracy Analysis: Ensures precise tooth geometry.

• Material Certification: Each batch tested for mechanical composition.

The result is a gear with consistent quality, superior load-bearing capacity, and verified OEM compatibility.

Why Choose 3GEN Export

3GEN Export has built a global reputation as a trusted OEM supplier of heavy machinery components. All Komatsu parts are manufactured to match or exceed OEM tolerances and undergo strict quality control.

Key Advantages of 3GEN Export:

• OEM-level quality backed by engineering certification.

• Global delivery within 5 working days.

• Competitive pricing and large-scale export capability.

• Technical support for part compatibility and installation.

• 1-year product warranty on all components.

3GEN Export delivers not only components but long-term reliability and supply chain confidence to Komatsu operators worldwide.

Summary Table

Conclusion

The 22W-15-22242 GEAR KOMATSU (22W1522242 GEAR KOMATSU) is a high-precision, heavy-duty internal gear designed for Komatsu transmission and drive systems. Its combination of high-strength alloy material, advanced heat treatment, and precision machining guarantees optimal performance, minimal friction, and long-term reliability.

Backed by 3GEN Export, this OEM-grade Komatsu spare part ensures reduced maintenance costs, increased uptime, and consistent mechanical performance even in the harshest work environments.

For operators, dealers, and distributors seeking dependable Komatsu spare parts, 3GEN Export delivers excellence with guaranteed worldwide shipping in 5 working days.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.