Premium Carrier Roller 113-15-42311 for Komatsu D31 Series Crawler Loaders
Product Introduction
Ensure the smooth and reliable operation of your Komatsu crawler loader's undercarriage with our high-quality carrier roller, part number 113-15-42311. This essential component is meticulously engineered to fit Komatsu D31Q-18, D31Q-20, and D31S-18 models, providing crucial support for the track chain and maintaining proper track alignment. Designed for durability and performance, this carrier roller is a vital part of your machine's undercarriage system, helping to minimize wear on other components and ensure efficient movement across various terrains.
Product Parameters
Part Number: 113-15-42311
Applicable Models: Komatsu Crawler Loaders D31Q-18, D31Q-20, D31S-18
Type: Carrier Roller (Upper Roller)
Material: High-strength Steel Alloy
Surface Treatment: Quenching and Tempering, Induction Hardening
Hardness: Deep hardened wear surfaces for extended life
Manufacturing Standard: Engineered to meet or exceed OEM specifications
Condition: Brand New
Product Advantages & Selling Points
Superior Durability: Manufactured from premium steel alloys with advanced heat treatments for maximum wear resistance and strength.
Extended Lifespan: Hardened rolling surfaces significantly reduce wear, leading to longer service life compared to standard rollers.
Precise Fit: Engineered to exact specifications of Komatsu D31 series loaders, ensuring seamless integration and optimal performance.
Smooth Operation: Provides reliable support and guidance for the track, minimizing friction and noise.
Reduces Track Wear: Properly functioning carrier rollers help maintain correct track tension and alignment, extending the life of the track chain and shoes.
High Load Capacity: Built to withstand the heavy loads and stresses of typical crawler loader operations.
Cost-Effective: A durable, long-lasting roller reduces the need for frequent replacements, saving you time and money on maintenance.
Applicable Equipment & Application Scenarios
This carrier roller (Part No. 113-15-42311) is specifically designed for the following Komatsu Crawler Loader models:
Komatsu D31Q-18
Komatsu D31Q-20
Komatsu D31S-18
Application Scenarios:
These robust crawler loaders equipped with reliable undercarriage components like this carrier roller are essential in various demanding environments:
Construction Sites: Moving earth, grading, and material handling in residential, commercial, and infrastructure projects.
Landscaping & Site Preparation: Shaping terrain, clearing land, and preparing ground for development.
Agricultural Applications: Farm work, land clearing, and material handling in demanding soil conditions (depending on machine setup).
Mining & Quarrying (Light Duty): Handling aggregates and overburden in smaller operations or specific tasks.
Case Analysis Example:
Consider a D31Q-20 working on a residential construction site. It constantly maneuvers across uneven ground, carrying and spreading soil. The carrier rollers are under continuous stress, supporting the weight of the track and resisting impacts. A high-quality roller like the 113-15-42311 ensures the track stays properly guided, preventing derailment and reducing wear on the pins and bushings of the track chain. This reliability minimizes unexpected downtime, keeping the project on schedule and reducing operational costs associated with frequent undercarriage repairs.
Related & Similar Products
In addition to the carrier roller, maintaining your Komatsu D31 series undercarriage often requires other components. We offer a comprehensive range of undercarriage parts compatible with the D31Q-18, D31Q-20, and D31S-18 models, including:
Track Rollers (Bottom Rollers): Support the machine's weight and guide the track from below.
Idlers (Front Idlers): Guide the track at the front and maintain tension.
Sprockets: Drive the track chain.
Track Chains & Track Shoes: The main components forming the track.
Track Bolts & Nuts: Fasteners for shoes and other components.
Explore our full range of undercarriage parts to keep your Komatsu D31 machine running smoothly and efficiently.
Common Installation Issues & Solutions
Installing undercarriage parts requires care. Here are some common issues and how to address them:
Issue: Incorrect alignment or seating of the new roller.
Solution: Ensure the mounting surface on the track frame is clean and free of debris. Carefully align the roller with the bolt holes and track chain before attempting to fully install and tighten.
Issue: Using improper bolts or failing to torque correctly.
Solution: Always use high-strength bolts specified for undercarriage components. Follow the manufacturer's recommended torque sequence and values using a calibrated torque wrench. Overtightening can damage bolts or the roller; undertightening can lead to loosening and premature wear.
Issue: Not inspecting related components during replacement.
Solution: While the track is open, take the opportunity to inspect adjacent links of the track chain, track shoes, and the track frame for wear, cracks, or damage. Replacing worn mating parts simultaneously prevents accelerated wear on the new roller.
Issue: Contamination of mounting surfaces or seals.
Solution: Thoroughly clean all surfaces where the new roller will mount. Be careful not to damage seals during handling and installation. Ensure seals are properly seated.
Always refer to your Komatsu service manual for specific procedures and safety guidelines when working on the undercarriage.
