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35MnB Material | Roll Forged | Mining & OEM Replacement
This front idler is engineered for CAT 307, 70B, and 308 mini excavators, serving as a direct OEM replacement part specifically designed for mining and heavy-duty working conditions.
Manufactured with premium 35MnB alloy steel and utilizing advanced roll forging technology, this idler features a denser internal structure, superior tensile strength, and enhanced wear resistance compared to conventional casting or basic forging methods. The combination of material and manufacturing process ensures exceptional impact resistance and deformation stability, making it ideal for challenging environments including rock, gravel, and uneven terrain in mining operations.
Precision machined to exact OEM specifications, this front idler installs directly without modification, ensuring reliable track guidance and consistent undercarriage performance.
Technical Specifications
Item
Specifications
Applicable Models
CAT 307, CAT 70B, CAT 308 Mini Excavators
Material
35MnB Alloy Steel
Manufacturing Process
Roll Forging, Precision Machining, Quenching & Tempering
Surface Hardness
HRC 45-55
Hardened Layer Depth
8-12 mm
Tensile Strength
600-800 MPa
Replacement Type
OEM Direct Replacement
Quality Inspection
100% Pre-delivery Dimensional & Hardness Test
Frequently Asked Questions
Is this front idler suitable for CAT 307, 70B and 308?
Yes, it is dimensionally matched to OEM standards and can directly replace original parts.
What is the advantage of roll forged 35MnB?
Roll forging improves structure density and fatigue resistance; 35MnB ensures high hardness and wear performance, extending service life in mining applications.
Is it fully inspected before shipment?
Each unit undergoes comprehensive dimensional inspection, hardness testing, and appearance check to ensure reliability and performance.
Can it be used in mining conditions?
Yes, this front idler is specifically engineered for mining, quarry, earthmoving, and other heavy-duty small excavator applications.
Packaging & Transportation
Packaging: Export-standard wooden pallet with moisture-proof, shock-proof, and anti-collision protection.
Transportation: Suitable for sea, land, and air transportation to global destinations.
Loading & Unloading: Pallet design is compatible with standard handling equipment for convenient and efficient operation.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2015
Total Annual:
5000000-8000000
Employee Number:
100~120
Ecer Certification:
Verified Supplier
Nanan Zhongte Construction Machinery Factory is located in Quanzhou, Fujian Province, China — a city recognized by UNESCO as the starting point of the ancient Maritime Silk Road and also a vibrant metropolis with an economic output exceeding one trillion yuan. As a large enterprise specializin... Nanan Zhongte Construction Machinery Factory is located in Quanzhou, Fujian Province, China — a city recognized by UNESCO as the starting point of the ancient Maritime Silk Road and also a vibrant metropolis with an economic output exceeding one trillion yuan. As a large enterprise specializin...