705-12-38011 Hydraulic Gear Pump for Komatsu Heavy Equipment
The 705-12-38011 hydraulic gear pump is a precision-engineered replacement part designed to deliver reliable hydraulic power for Komatsu construction machinery. Built with high-grade cast iron housing and hardened alloy steel gears, this pump ensures consistent oil flow and pressure under demanding operating conditions.
Compatible Komatsu Models
- GD825A – Motor Grader
- HM350 – Articulated Dump Truck
- WA500 – Wheel Loader
- WF550 – Waste Handler / Compactor
Key Features
- Direct OEM replacement – identical mounting dimensions and port configurations
- High volumetric efficiency with minimal internal leakage
- Heat-treated gear teeth for extended service life
- Pressure-balanced wear plates to reduce friction and improve durability
- 100% factory tested for flow rate, pressure, and noise levels
Technical Specifications
| Part Number |
705-12-38011 |
| Pump Type |
External Gear Pump |
| Compatible Brand |
Komatsu |
| Material |
Cast Iron Housing / Alloy Steel Gears |
| Application |
Construction Machinery Hydraulic System |
Factory Overview
ABOUT US
Guangzhou Xingfan Precision Oil Pressure Co., Ltd. focuses on the after-market hydraulic maintenance and replacement of construction machinery including excavator, rotary drilling rig, pile driver, concrete mixer, delivery pump truck, crane, harvester and other equipment. Including hydraulic pump, traveling motor, rotary motor, distribution valve multi-way valve, gear pump, operating handle, walking foot valve, etc.
| Established |
2008 |
| Location |
Guangdong, China |
| Floor Area |
8,000 m² |
| Employees |
80+ (12 R&D Engineers) |
| Production Lines |
5 Assembly Lines, 20+ CNC Machines |
| Export Markets |
Southeast Asia, Middle East, South America, Africa, Europe |
Factory Display
Quality Assurance
All pumps are manufactured in an ISO 9001:2015 certified facility. Each unit undergoes rigorous inspection including flow bench testing, pressure holding test, and noise evaluation before shipment. 12-month warranty against manufacturing defects.
Frequently Asked Questions
Q1: Is this gear pump an OEM or aftermarket part?
A: This is a high-quality aftermarket replacement part manufactured to OEM specifications. It matches the original Komatsu 705-12-38011 in all critical dimensions, mounting patterns, and performance parameters.
Q2: What is the warranty period?
A: We provide a 12-month warranty from the date of shipment. The warranty covers manufacturing defects under normal operating conditions. Please retain your purchase documentation for warranty claims.
Q3: Can I order a sample before bulk purchase?
A: Yes, sample orders are welcome. We recommend testing one unit on your equipment to verify fitment and performance before placing a bulk order.
Q4: What is the typical lead time?
A: For stock items, we ship within 3-5 working days. For production orders, the lead time is typically 15-25 working days depending on order quantity.
Q5: Do you offer customized or private-label packaging?
A: Yes, we offer OEM/ODM services including custom branding, private-label packaging, and tailored specifications. Please contact our sales team with your requirements.
Q6: How do you ensure product quality?
A: Every gear pump undergoes a multi-stage quality inspection process: incoming material inspection, in-process CNC checks, assembly verification, and final performance testing on hydraulic test benches. A test report is available upon request.
Contact us today for bulk pricing, technical datasheets, or to request a sample.
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