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Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309
Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309
Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309
Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309
Specifications
Brand Name :
ZTMC
Model Number :
Kubota U17
Place of Origin :
CHINA
MOQ :
1PCS
Price :
US$45-63
Supply Ability :
10000PCS/Months
Delivery Time :
7-15Days
Packaging Details :
Standard Export Packaging
Color :
Black And Yelllow
Quality :
55KG HRC 45-55
Warranty Time :
12-18Months
Material :
35MnB HRC45-55
Features :
Durable
Description
Kubota U17 Mini Excavator Front Idler – 35MnB Roll Forged OEM Replacement for Mining Undercarriage
Product Overview

This professional OEM replacement front idler for Kubota U17 mini excavators is engineered to withstand the rigorous demands of harsh mining, construction, and heavy-duty working environments. As a critical undercarriage component for the Kubota U17—renowned for its compact design, zero-tail swing, boom offset function, and telescopic track variable frame—this front idler delivers exceptional performance in small-scale mining, narrow space operations, and earthmoving tasks.

Crafted from high-grade 35MnB alloy steel and processed via precision roll forging technology, this component offers superior structural density, enhanced tensile strength, and exceptional wear resistance. It effectively overcomes challenges from rock impact, gravel abrasion, and uneven terrain that often cause premature damage to conventional casting or simple forging parts.

Strictly adhering to Kubota U17 OEM dimensional specifications and undercarriage geometry, this front idler enables direct, modification-free installation, ensuring stable track tension, smooth guiding performance, and reliable undercarriage operation. Perfectly adapted to the Kubota U17's working characteristics—including telescopic variable frame (990mm contracted width, 1240mm expanded width), 1805kg operating weight, 230mm track width, and 12.1kW (16.4PS) D902-E4 engine with H*M*S three-pump hydraulic system—this front idler provides long-lasting durability while reducing downtime and maintenance costs.

Includes 12-month warranty and online after-sales support for worry-free operation.

Technical Specifications
Applicable Models Kubota U17 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, with Mechanical Test Report
Warranty 12-Month Warranty, Online After-Sales Support
Frequently Asked Questions
Is this front idler fully compatible with Kubota U17 mini excavators?
Yes, it is manufactured in strict compliance with Kubota U17 OEM dimensions, mounting standards, and undercarriage specifications, enabling direct replacement of the original part without any cutting, drilling, or adjustments. Perfectly matches the Kubota U17's compact chassis system, 230mm track width, and telescopic variable frame (990mm contracted / 1240mm expanded), adapting to its zero-tail swing and boom offset design.
What makes 35MnB roll forged material suitable for Kubota U17 mining applications?
Roll forging enhances the material's internal compactness and fatigue resistance, while 35MnB alloy steel provides excellent hardness and wear resistance. This combination effectively prevents premature damage, deformation, and crack expansion caused by heavy loads, rock impact, and harsh mining terrain—critical for stable operation in demanding small-scale mining scenarios, especially with the Kubota U17's 15.2kN maximum digging force.
Are all Kubota U17 front idlers inspected before shipment?
Yes, every unit undergoes 100% comprehensive inspection, including dimensional accuracy verification, surface hardness testing, and appearance defect screening. We provide mechanical test reports and video inspections to ensure transparency, meeting the high-quality standards required for Kubota U17 mini excavator undercarriage components essential for its H*M*S three-pump hydraulic system and efficient operation.
Can this front idler be used for all heavy-duty scenarios of the Kubota U17?
Yes, it is specifically developed for the Kubota U17's working requirements—adapted to its 12.1kW (16.4PS) D902-E4 engine power, 1.9/3.9km/h travel speed, and 30° climbing capacity. Suitable for open-pit mining, quarrying, earthmoving, farm operations, landscaping, and construction, perfectly adapting to harsh working conditions the Kubota U17 commonly encounters with its zero-tail swing and telescopic frame for narrow complex environments.
Is this product suitable for global shipping to mining sites?
Yes, it is packaged in export-standard shock-proof, moisture-proof, and anti-collision wooden pallets, capable of withstanding long-distance sea, land, and air transportation. We support shipping from Xiamen, Guangzhou, Ningbo, and other Chinese ports.
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Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309

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Product Detail
Brand Name :
ZTMC
Model Number :
Kubota U17
Place of Origin :
CHINA
MOQ :
1PCS
Price :
US$45-63
Supply Ability :
10000PCS/Months
Contact Supplier
Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309
Kubota U17 Mini Excavator Front Idler - 35MnB Roll Forged OEM Replacement with HRC45-55 Hardness for Mining Undercarriage Part Number No RB237-21309、RB23721309

Nan'an Zhongte Engineering Machinery Factory

Verified Supplier
1 Years
fujian, quanzhou
Since 2015
Business Type :
Manufacturer, Exporter
Main Products :
Excavator Front Idler, Mini Excavator Front Idler, Bulldozer Front Idler
Total Annual :
5000000-8000000
Employee Number :
100~120
Certification Level :
Verified Supplier
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