Yanmar B55 Mini Excavator Front Idler
This front idler is specifically designed for Yanmar B55 mini excavators, serving as a direct OEM replacement part for mining and heavy-duty working conditions. Manufactured with 35MnB alloy steel and adopting roll forging technology, it features a denser internal structure, higher tensile strength and better wear resistance compared with conventional casting or simple forging products.
The combination of 35MnB material and roll forging process ensures excellent impact resistance and deformation resistance, making it suitable for rock, gravel and uneven terrain in mining sites. Precision machined to OEM dimensional standards, it supports direct installation without modification, ensuring stable track guiding and reliable undercarriage performance for long-term mining operation.
Technical Specifications
| Applicable Models |
Yanmar B55 Mini Excavator |
| Material |
35MnB Alloy Steel |
| Manufacturing Process |
Roll Forging, Precision Machining, Quenching & Tempering |
| Surface Hardness |
HRC45-55 |
| Hardened Layer Depth |
8-12 mm |
| Tensile Strength |
600-800 MPa |
| Replacement Type |
OEM Direct Replacement, No Modification Required |
| Quality Inspection |
100% Pre-delivery Dimensional & Hardness Test |
Frequently Asked Questions
Is this front idler compatible with Yanmar B55 mini excavator?
Yes, it is strictly manufactured to OEM dimensional standards, which can directly replace the original part without any modification.
What advantages does roll forged 35MnB have for mining use?
Roll forging makes the internal structure denser and improves fatigue resistance; 35MnB material ensures high hardness and wear resistance, effectively extending the service life in harsh mining environments.
Are all products inspected before shipment?
Yes, each unit undergoes 100% inspection, including dimensional accuracy, surface hardness and appearance check, to ensure stable and reliable performance.
Can it be used in mining and quarry scenarios?
Yes, it is specially designed for mining, quarry, earthmoving and other heavy-duty working conditions of Yanmar B55 mini excavators.
Is it suitable for global transportation to mining sites?
Yes, it is packaged with export-standard materials, suitable for long-distance sea, land and air transportation to global mining destinations.
Packaging & Transportation
Packaging: The product is packed in export-standard wooden pallets, which are moisture-proof, shock-proof and anti-collision, effectively protecting the part from damage during long-distance transportation.
Transportation: Suitable for sea freight, land freight and air freight. We can provide customized transportation solutions according to your destination to ensure on-time delivery to mining sites.
Loading & Unloading: The wooden pallet design is compatible with standard handling equipment at ports and mining yards, making loading and unloading convenient and efficient, saving labor costs.