미니 굴착기 Yanmar B22 B25V B27 B37V용 최종 구동장치 172141-73350

Yanmar Complete Final Drive Assembly
Integrated Travel Motor + Planetary Reduction Gearbox | Mini Excavator Undercarriage Spare Parts
1. Basic Information
Part Name: Integrated final drive including hydraulic travel motor and planetary reducer
Main OEM PN: 172141-73350,172441-73300,172441-73320,172441-73330,172142-73300,172442-73300,172442-73330,172442-73420
Applicable Models: Yanmar B22, B25V, B27, B37V mini excavator
Product Grades: Premium Aftermarket New, Rebuilt Assembly, Genuine Original New
Warranty: 12 months for genuine & rebuilt products, 6–12 months for aftermarket assemblies
Net Weight: 48 kg
Stock Status: In stock, delivered within 3–7 working days after order confirmation
2. Core Product Advantages
Manufactured according to original size parameters to match the walking hydraulic system of Yanmar mini excavators
Dual-speed travel design meets moving transfer and high-torque excavation work requirements
Built-in parking brake and counterbalance valve prevents track slipping and weak walking
Hardened planetary gears feature strong wear resistance and stable load capacity under construction conditions
Consistent installation size, direct bolt-on replacement without mechanical modification
All finished products pass hydraulic pressure, internal leakage and running bench inspection before delivery
3. Technical Parameters
Structure: Travel motor + single-stage planetary reducer integrated assembly
Motor Type: Axial piston hydraulic travel motor
Max system relief pressure: 29.5 MPa
Travel Mode: Switchable high speed / low high torque dual mode
Brake Structure: Spring applied braking, hydraulic pressure release
Reduction Structure: Single stage planetary gear reduction
Output Interface: Standard spline matching original drive sprocket
4. Compatibility & Cross Reference List
Applicable Equipment: Yanmar B22, B25V, B27, B37V mini excavator
Interchange PN Group: 172141-73350,172441-73300,172441-73320,172441-73330,172142-73300,172442-73300,172442-73330,172442-73420
5. BELPARTS Competitive Strength
Focus on aftermarket high-quality Yanmar mini excavator walking parts. Multiple quality options adapt to different budgets. Strict quality control ensures long service life. Abundant inventory supports global sea and air transportation. Provide installation guidance and after-sales technical support.
6. Common FAQ
Q1: Can these part numbers replace each other?
A: These numbers are alternative OEM numbers for the same final drive assembly and are fully interchangeable for maintenance replacement.
Q2: What is the advantage of aftermarket products?
A: High-precision aftermarket parts comply with OEM standards with obvious cost advantages while ensuring working stability.
Q3: Delivery time arrangement?
A: In-stock goods will be delivered within 3–7 working days with global logistics services supported.