11Y-27-10301 final drive for Komatsu D31EX-21 D31PX-21 D37PX-21 D37EX-21 bulldozer
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Original Part No: 11Y-27-10301 11Y-27-10401
1. Product Description
This is original grade complete travel motor final drive assembly specially designed for Komatsu D31EX-21, D31PX-21, D37EX-21 and D37PX-21 bulldozers. It adopts reliable HST hydraulic driving structure with heavy-duty planetary reduction gear set, delivers strong driving force and stable running performance, fully conforms to original installation dimension and working parameters, and is ideal replacement for defective original travel drive components.
2. Key Specifications
OEM Part Number: 11Y-27-10301, 11Y-27-10401
Product Type: Integrated travel motor and reduction gear assembly
Working System: HST full hydraulic travel system
Rated Working Pressure: 32MPa
Output Torque: High load resistant driving torque
Structural Feature: Reinforced heavy duty gear structure
Application: Earthmoving, mining and harsh construction working sites
Quality Standard: Meet original equipment manufacturing standard
3. Compatible Models
Komatsu D31EX-21
Komatsu D31PX-21
Komatsu D37EX-21
Komatsu D37PX-21
4. Product Features
Strictly manufactured according to original factory technical standards, support direct installation without any modification. Thickened alloy gear parts own excellent compression resistance and impact resistance for long service life. Stable hydraulic power output ensures powerful and steady travelling performance of bulldozer. All finished assemblies pass strict load running test and sealing test before delivery.
5. Supply and Warranty
Adequate stock stored in Guangzhou warehouse, goods can be arranged shipment within 1-3 working days. All new final drive assemblies come with 12 months quality warranty, packed with firm export wooden box for long distance transportation.
6. Why Choose Us
With over ten years of professional experience engaged in excavator spare parts business. We own large-scale physical warehouse to support fast global delivery, provide standardized warranty service and thoughtful professional technical guidance, and always insist on supplying stable and cost-effective construction machinery accessories for all customers.
7. Our Main Product Range
We supply full series excavator accessories including Hydraulic Parts, Swing Motor, Slew Bearing, Hydraulic Pump, Swing Reduction, Engine Assembly, Final Drive, Control Valve, Hydraulic Cylinder, Travel Reduction, Gear Parts and ECU. Our parts fit well with Hitachi, CAT, Komatsu, John Deere, Yanmar, Volvo, Kobelco, Doosan, Sany, Hyundai, LiuGong, Takeuchi, Kubota, XCMG, Bobcat and other mainstream excavator brands.
8. Customer FAQ
Q: Is this final drive fully matched with original machine?A: Yes, it is 1:1 original standard replacement part, easy to install directly.Q: Can you confirm accurate compatibility?A: Please offer your machine model or original part number, we will check compatibility for you freely.Q: What shipping methods are available?A: We provide international express, air freight and sea freight to meet different delivery demands.