Dingtai manufactures Kubota U-yokes, structural undercarriage components that link the idler assembly to the track frame and hydraulic track adjuster.
Factory-direct production supports OEM and aftermarket supply, including custom dimensions, material upgrades, and branded packaging for global clients.
Precision-machined yoke geometry prevents track misalignment, uneven idler wear, and sudden undercarriage failure in high-load digging applications.
With over 20 years of undercarriage manufacturing experience and ISO9001/SGS-certified processes, Dingtai delivers repeatable quality for replacement part buyers.
Each Kubota U-yoke is forged from 35MnB steel, deep-quenched and tempered to achieve high core strength and fatigue resistance.
Core Selling Points
- Global Brand Compatibility: Direct replacement for Kubota mini excavator and compact excavator undercarriages; part numbers cross-matched to OEM drawings.
- Premium 35MnB Material: Forged from 35MnB alloy steel for higher yield strength and better impact resistance than standard carbon steel yokes.
- Deep Quenching/Heat Treatment: Deep quenching and tempering create a hard outer surface with a tough core, reducing wear and cracking.
- ISO9001/SGS Certified: ISO9001 and SGS certified manufacturing ensures consistent hardness, dimensional accuracy, and batch traceability.
Our catalog of Kubota U-Yoke includes various specifications, fully compatible with Kubota excavators and bulldozers.
Why Choose Dingtai?
1. Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB alloy steel / OEM equivalent |
| Hardness | Surface HRC 50–55; core HRC 28–32 |
| Process | Drop forging, CNC machining, deep quenching, tempering |
| Certification | ISO9001, SGS |
| Warranty | 12 months against material and workmanship defects |
2. OEM & Customization
We match OEM drawings, custom dimensions, and original part numbers. Send samples or drawings for precise yoke production and fitment validation.
3. Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Mini Excavators | Kubota | K008, KX018, KX040, KX057, KX080 |
| Compact Excavators | Kubota | U17, U25, U35, U55 |
4. Delivery & Logistics
Factory-direct pricing, flexible MOQ from trial samples to container orders, and reliable ocean or air freight ensure on-schedule delivery to US ports.
Technical Features
A forged one-piece U-yoke design resists bending and cracking under side loads, maintaining idler alignment during aggressive digging.
Deep quenching forms a martensitic surface layer with high hardness, while the tempered core absorbs impact energy without brittle failure.
Precision-bored pin holes maintain tight idler shaft clearance, reducing fretting corrosion and uneven track wear.
Applications
- Mining
- Road Construction
- Quarrying
- Demolition
- Utility and Pipeline Excavation
- Landscaping and Compact Site Work
Frequently Asked Questions
What is the MOQ?
Standard MOQ is 10 pieces per part number. Trial sample orders are accepted.
What is delivery time?
Standard items ship in 15–25 days; custom U-yokes require 30–45 days.
What is heat treatment depth?
Surface hardening depth is 3–6 mm, depending on yoke section thickness.
What warranty is provided?
12 months against material and workmanship defects under normal operating conditions.
How do I confirm part number matching?
Provide the OEM part number or yoke drawing; we cross-reference to the correct Kubota model.
Can you produce non-standard dimensions?
Yes, custom dimensions and material grades are available through OEM drawings or samples.
Do you inspect every yoke?
Yes, 100% QC inspection covers hardness, dimensions, and visual weld/pin bore defects.
Maintenance Guide
- Inspect yoke pin bores for elongation, cracks, or gouging every 500 operating hours.
- Grease idler shaft and yoke bushings according to Kubota OEM lubrication intervals.
- Check track tension regularly; improper tension accelerates yoke, idler, and track wear.
- Replace yokes in pairs if one side shows deep gouging, cracked welds, or distorted bores.