22W1522212 , 22W-15-22212 GEAR KOMATSU

Heavy-Duty Transmission Gear Engineered for Precision and Endurance — Supplied by 3GEN Export

The 22W-15-22212 GEAR KOMATSU, also identified as 22W1522212 GEAR KOMATSU, is a robust internal transmission component developed to sustain extreme torque, consistent rotational motion, and mechanical synchronization in Komatsu’s advanced heavy-machinery systems. Crafted from premium heat-treated alloy steel, this gear guarantees smooth power transfer between shafts and ensures long-term operational reliability even under continuous shock and vibration.

As an OEM-spec component, the 22W-15-22212 GEAR KOMATSU bridges efficiency and durability. Designed to handle high mechanical stress inside the gearbox or final-drive system, it maintains accurate tooth engagement and minimizes energy losses due to friction. Every piece distributed by 3GEN Export adheres to precision-machining standards and is shipped worldwide within 5 working days, ready for immediate installation in Komatsu excavators, loaders, and dozers.

Function and Role of the 22W-15-22212 GEAR KOMATSU

The 22W1522212 GEAR KOMATSU operates as a torque-transmitting interface that aligns rotational velocity between mechanical shafts. Within Komatsu machinery, it ensures:

• Seamless torque transfer from the engine to drive assemblies.

• Exact timing synchronization between gear pairs and bearings.

• Load distribution that prevents stress concentration and premature wear.

• Reduced vibration, enhancing operator comfort and equipment longevity.

Its internal spline profile allows for tight engagement with mating components such as couplings and drive shafts, while precision-cut gear teeth maintain constant mesh without backlash.

Technical Specifications

Compatible Komatsu Models

The 22W-15-22212 GEAR KOMATSU fits seamlessly into multiple Komatsu heavy-machinery platforms, serving as a key component within transmission and final-drive assemblies.

Excavators:

• Komatsu PC200-7

• Komatsu PC210-8

• Komatsu PC220LC-7

• Komatsu PC240-8

• Komatsu PC300-8

• Komatsu PC350LC-8

• Komatsu PC400-7

• Komatsu PC450-8

Bulldozers:

• Komatsu D65EX-16

• Komatsu D85EX-15

• Komatsu D155AX-8

Wheel Loaders:

• Komatsu WA250-6

• Komatsu WA320-6

• Komatsu WA380-6

• Komatsu WA470-7

Its cross-model compatibility makes it an ideal choice for both replacement and preventive maintenance operations.

Material and Manufacturing Excellence

1. Alloy Steel Composition

Each 22W1522212 GEAR KOMATSU begins with vacuum-degassed 42CrMo4 steel, providing outstanding fatigue resistance and tensile strength. Chromium and molybdenum elements enhance surface hardness and protect against micro-cracks.

2. CNC Machining Precision

Gear teeth are cut using multi-axis CNC hobbing machines that maintain uniform pressure angles and pitch accuracy. This high-precision finishing eliminates vibration and improves rotational stability.

3. Carburizing and Tempering

The gear undergoes a two-stage thermal process: carburizing for surface hardening followed by tempering to achieve structural balance. The result is a hard outer surface combined with a ductile core capable of absorbing heavy impacts.

4. Grinding and Polishing

Tooth flanks are ground to a micro-finish (Ra ≤ 0.3 µm) ensuring frictionless movement and minimal oil turbulence. This precision surface finish reduces power loss and prevents gear noise at high speeds.

5. Quality Inspection

Each unit passes dimensional, hardness, and ultrasonic integrity tests before packaging. This ensures a perfect gear-to-shaft fit with zero tolerance deviation.

Key Advantages of the 22W-15-22212 GEAR KOMATSU

• High Load Capacity: Designed to handle torque peaks exceeding 1200 Nm without distortion.

• Superior Wear Resistance: Surface hardening resists abrasive damage even in dusty or wet environments.

• Precision Tooth Profile: Provides smooth transmission, reducing stress on adjacent components.

• Quiet Operation: Fine grinding lowers acoustic emissions by 25 % compared to standard gears.

• Energy Efficiency: Optimized geometry minimizes friction, reducing fuel consumption.

• Extended Service Life: Average operational lifespan exceeds 15 000 hours under normal duty cycles.

Applications in Komatsu Machinery

Transmission Systems

Located inside the gearbox, the 22W-15-22212 GEAR KOMATSU transfers torque from the powertrain to the drive shaft, ensuring precise speed ratios.

Final Drive Assemblies

In crawler machines, this gear interacts with reduction units to multiply torque and enhance traction efficiency during heavy pushing or digging.

Hydraulic Power Trains

It acts as a coupling gear between hydraulic motor outputs and mechanical drives, supporting continuous operation under variable load conditions.

Swing Mechanisms

In excavators, the gear assists in rotation functions, synchronizing hydraulic motion with mechanical pivoting systems.

Installation and Maintenance Recommendations

Installation Steps

1. Inspect Components: Clean mating surfaces and remove previous wear residues.

2. Lubricate Properly: Use recommended SAE 90 gear oil before assembly.

3. Align Teeth Precisely: Ensure gear engagement is concentric to prevent uneven loading.

4. Torque Fasteners: Tighten bolts and retainers according to Komatsu specifications.

5. Run-In Period: Operate machinery under moderate load for 20 hours to allow proper seating.

Maintenance Tips

• Replace lubricant every 500 operating hours.

• Inspect tooth contact patterns regularly.

• Check backlash and alignment after intense duty cycles.

• Store replacement gears in a dry, temperature-controlled environment.

Proper maintenance extends service life and prevents premature mechanical failure.

Testing and Quality Assurance

Every 22W-15-22212 GEAR KOMATSU from 3GEN Export undergoes a strict OEM-level quality protocol:

• Dimensional Verification: CMM (3D Coordinate Measuring Machine) inspection to ± 0.01 mm.

• Hardness Mapping: Rockwell tests across tooth depth for consistency.

• Ultrasonic Integrity Testing: Ensures flaw-free steel structure.

• Tooth Contact Analysis: Confirms 100 % load transfer.

• Dynamic Balancing: Prevents vibration at high RPM.

• Salt Spray Corrosion Testing: Verifies > 240 hours protection.

Each shipment includes batch tracking and export-grade packaging to safeguard precision surfaces during transit.

Why Choose 3GEN Export for Komatsu Spare Parts

3GEN Export provides global access to OEM-spec components designed for reliability, precision, and long-term performance. With centralized manufacturing partnerships and extensive inventory, 3GEN Export supplies spare parts that meet or exceed Komatsu engineering requirements.

Advantages:

• Global delivery in 5 working days.

• OEM-grade manufacturing certification.

• Competitive pricing and bulk availability.

• Technical fitment assistance.

• 1-year manufacturer warranty.

From mining sites to construction yards, our 22W-15-22212 GEAR KOMATSU provides unmatched durability backed by the 3GEN Export quality guarantee.

Summary Table

Conclusion

The 22W-15-22212 GEAR KOMATSU (22W1522212 GEAR KOMATSU) is the cornerstone of power transmission in Komatsu machinery. Engineered for exact torque distribution and noise-free performance, it guarantees consistent reliability under the toughest field conditions.

Every detail — from the high-tensile steel core to the micro-finished tooth surface — contributes to longer service intervals, reduced maintenance costs, and superior mechanical efficiency. Backed by 3GEN Export, your trusted OEM supplier delivering worldwide in 5 working days, this gear represents precision you can depend on, wherever your Komatsu equipment operates.

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.