Product Video
Main specification parameter for Cat 385B Idler For Excavator
|
Brand |
Model |
Product Name |
Part Number |
Assembly Quantity |
Weight |
|
Caterpillar |
385B |
Idler For Excavator | 1941157 | 1 | 461kg |
Compatible Equipment Models: 1941157
365C L |
365B II | 5090B |
| 385C L MH | 365C | 385B |
| 385C | 385C FS | 385C L |
Product Details
|
Product Name |
Idler For Excavator |
|
Part Number |
1941157 |
|
Origin |
United States |
| Model | 385B |
| Diameter (mm) | 115 |
| Tread diameter (mm) | 770 |
| 815 | |
| Quality Assurance | 6-12 Month |
|
Price |
Negotiable |
| Brand Name | STONE |
|
Packing Details |
Standard Export Packing |
|
Delivery Time |
0-30 Days |
|
Payment Term |
L/C, T/T |
|
Price Term |
FOB, CIF, CFR |
|
Supply Capacity |
1000 PCS/Month |
|
Minimum Order Quantity |
1 PC |
|
Material |
High Quality Steel |
|
Technology |
Precision Machining |
|
Surface |
Treatment Anti-Corrosion Coating |
|
Quality |
Original Factory Standard |
|
After-Sales Service |
Full Support, Online Service |
|
Color |
Standard Caterpillar Yellow or Customizable |
|
Application |
Excavator |
|
Customizable |
including customized materials, surface treatment and specifications |
High cost performance
High-strength materials
Cat idler for excavator uses high-quality alloys to enhance wear resistance and corrosion resistance.


Precision manufacturing
Advanced processes are used to ensure that the size and tolerance of each wheel meet strict standards.
Optimized design
Provides optimal rolling and sliding performance and reduces mechanical resistance.


Strong adaptability
Caterpillar idler can perform well in various harsh working environments.
Easy maintenance
Cat idler design takes into account the convenience of maintenance and reduces downtime.


High reliability
After strict quality control, it ensures stable performance.
High durability
Cat idler for excavator is made of high-strength alloy material with excellent wear and corrosion resistance, ensuring long-term use in harsh environments.
Through advanced manufacturing processes, the accuracy and consistency of each guide wheel are ensured to reduce wear caused by mismatch.
The design of Cat idler is optimized to reduce rolling resistance and improve operating efficiency, thereby reducing overall wear.
It can withstand heavy load operations and ensure stable performance under high-intensity use conditions.
Caterpillar idler is designed for easy inspection and maintenance, which helps to detect problems in time and extend service life.
High stability



1. Uniform load distribution
- Cat idler for excavator is well designed to distribute the load evenly and reduce the contact pressure between the wheel and the ground. This uniformity makes the wheel more stable during movement and reduces the risk of imbalance of the equipment.
2. High-precision manufacturing
- Using advanced manufacturing technology, the size and shape of Caterpillar idler are extremely accurate. This precision ensures good coordination with other components, reduces vibration and friction caused by mismatched components, and thus improves the stability of the whole machine.
3. Wear-resistant design
- The surface of Caterpillar idler is specially treated to enhance wear resistance. This design not only extends the service life of the wheel, but also maintains stable performance during long-term work, ensuring reliable operation of the equipment under various conditions.
4. Impact resistance
- Its sturdy structure has good impact resistance and can withstand the impact caused by uneven ground or sudden obstacles, ensuring that the excavator can still work stably in complex environments.
5. Reliable connection system
- Its connection system with the excavator is optimized to ensure a stable connection, reduce vibration and instability caused by loose connection, and thus improve overall work efficiency.
Innovative technologies
High-quality materials
Cat idler for excavator uses high-quality alloy materials, which are strictly screened and processed, with good wear resistance and corrosion resistance, reducing failures caused by material deterioration from the source.
Strict quality control
During the production process, strict quality control standards are implemented and each product is fully tested to ensure its performance and reliability. This comprehensive testing system allows unqualified products to be screened out in a timely manner, thereby further reducing the possibility of failure.
Convenient regular maintenance
Its design takes into account the convenience of maintenance, allowing users to easily conduct regular inspections and maintenance, discover potential problems in time, and avoid small faults from evolving into big problems, thereby reducing the overall failure rate.
Good load adaptability
With good load-bearing capacity, it can operate stably under high-intensity working conditions and avoid failures caused by overload. This reliability ensures that the equipment will not unexpectedly stop at critical moments.
Optimized design structure
The design of Cat idler is carefully optimized to reduce friction and vibration during movement. This design not only improves the overall performance, but also reduces the mismatch between components, further reducing the possibility of failure.
Precision manufacturing process
Through advanced manufacturing technology, every detail of Caterpillar idler is ensured to meet strict quality standards. This precision reduces the possible errors in the assembly process, thereby reducing the incidence of failures.
STONE: Construction machinery parts expert in China

Stone (Shanghai) Engineering Machinery Co., Ltd. is a leading supplier of engineering machinery parts, focusing on providing high-quality parts for mining companies. Since its establishment in 2004, we have been based in Shanghai, China, and have built our own brand STONE, becoming a trusted choice in the industry. We are committed to providing a variety of parts including bulldozers, excavators and wheel loaders for well-known brands such as Carter and Komatsu. Our product line covers a full range of OEM parts, such as Track Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles, and various electrical and hydraulic components to ensure that our customers' stringent requirements for quality and performance are met.
quality
years experience
service
hours warranty
FAQ
How to add lubricant to Cat idler for excavator?
Prepare tools and materials: Make sure to prepare the appropriate lubricant, oil gun or oil pot, and necessary tools such as wrenches and cleaning cloths.
Clean area: Before adding lubricant, clean the area around the guide wheel to ensure that there is no dirt or debris to prevent contamination.
Check lubrication points: Find the lubrication holes or lubrication points of the guide wheel, which are usually labeled or have obvious structures.
Add lubricant: Use an oil gun or oil pot to slowly add an appropriate amount of lubricant to the lubrication hole to ensure that the oil is evenly distributed.
Observe the amount of oil: After adding, observe the outflow of lubricant to ensure that the oil is full but not overflowing.
Clean up excess oil: If excess lubricant overflows, wipe it clean with a clean cloth in time to keep the equipment clean.
Record maintenance: It is recommended to record the date and amount of lubricant added for reference during future maintenance.
What are the components of Caterpillar idler?
Wheel body: As the main structural part, it provides support and load-bearing functions, usually made of high-strength alloy materials to ensure wear resistance and impact resistance.
Bearing: Located inside the wheel body, it allows the wheel to rotate smoothly during operation, reducing friction and wear. Sealed bearings are usually used to prevent dust and moisture from invading.
Seal ring: Used to protect the bearing from external contaminants while keeping the lubricant inside to extend the service life of the component.
Lubrication hole: Used to add lubricating oil to ensure good lubrication of internal components and reduce wear.
Mounting hole: Used to fix the connection between the wheel and the excavator to ensure stability and safety.
Support plate: Provides additional support and stability to ensure that the wheel will not be deformed or damaged during work.
How to adjust the direction of the guide wheel of Carter excavator?
Hydraulic system: The direction control system of the excavator is realized by the flow of hydraulic oil. The operator adjusts the hydraulic valve through the joystick to control the flow of hydraulic oil. This process allows the excavator to change the direction of travel accurately.
Steering valve: The steering valve is an important component in the hydraulic system. It is responsible for regulating the flow of hydraulic oil. By controlling the distribution of hydraulic oil, the steering valve can make the left and right tracks move forward or backward respectively, thereby achieving steering.
Track movement: The tracks of the excavator are its main moving parts. By independently controlling the speed of the left and right tracks, the excavator can achieve flexible steering. For example, when the left track moves forward and the right track moves backward, the excavator will turn left. Conversely, if the right track moves forward and the left track moves backward, the excavator will turn right.
Stability and tension: The track system design ensures that the appropriate tension is maintained when turning. This helps prevent the tracks from falling off or getting stuck, ensuring the stability of the equipment in different working environments. Good tension can enhance the flexibility of steering, allowing the excavator to operate precisely in a small space.
Control feedback: Modern Carter excavators are usually equipped with a control feedback system, which allows the operator to perceive the movement of the crawler in real time. This feedback mechanism improves the accuracy and safety of operation and ensures smooth steering in complex environments.
How Cat Idler is Made?
Material selection: First, high-strength alloy materials are selected, which usually have good wear resistance and corrosion resistance to ensure the reliability of the wheels in harsh environments.
Material processing: The selected materials are cut and formed, usually using CNC machine tools to ensure that the dimensions and tolerances of each component meet strict standards.
Heat treatment: The processed parts are heat treated to improve their strength and wear resistance. Through the process of heating and cooling, the internal structure of the material is changed to enhance performance.
Surface treatment: After heat treatment, surface treatment is performed. This may include shot peening, chrome plating or other anti-corrosion coatings to further enhance durability and wear resistance.
Assembly: Individual components such as bearings, seals, etc. are assembled together. Ensure that the connection between all components is firm to avoid looseness or leakage during use.
Quality inspection: After assembly, strict quality inspection is carried out. Inspections include dimensional measurement, durability testing and functional testing to ensure that each wheel can meet Carter's high standards.
Lubrication treatment: Before shipment, lubricating oil is usually added inside the wheel to ensure smooth operation in the early stage of use.
Packaging and transportation: Wheels that have passed inspection will be properly packaged to prevent damage during transportation and ensure that customers receive the products intact.
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