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Yanmar B37V Swing Motor Drive Device 172443-73310 172175-73312 For Mini Excavator

Place of Origin:Japan
Brand Name:Yanmar
Certification:ISO9001 / 2006/42/EC
Model Number:Yanmar B37V
Minimum Order Quantity:1 PCS
Price:Negotiation
Payment Terms:L/C,D/A,D/P,T/T,alibab TRADE ASSURANCE,Western Union,PAYPAL
Supply Ability:100 PCS / Months
Product Details
Highlight:

Yanmar B37V swing motor

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mini excavator drive device

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swing motor assy with warranty

Part Name: Swing Motor Reducer Device
Model: B37V
Part Number: 172443-73310 172175-73312
Application: Mini Excavator
Quality: OEM
Warranty: 12 Months
Condition: New
Shipment: Sea / Air / Express DHL FEDEX UPS
Product Description

Yanmar Swing Motor Drive Device Assembly

Hydraulic Slewing Motor with Reduction Gear | Mini Excavator Rotation Parts

1. Basic Information

Part Name: Integrated swing motor + reduction gear assembly

Main PN: 172443-73310, 172175-73312

Applicable Model: Yanmar B37V mini excavator

Product Grades: Genuine New, Rebuilt Assembly, Premium Aftermarket New

Warranty: 12 months for genuine & rebuilt products; 6–12 months for aftermarket assemblies

Net Weight: 36 kg

Stock Status: In stock, shipped within 3–7 working days after order confirmation

2. Core Product Advantages

  1. Matches original hydraulic parameters for Yanmar B37V rotary system
  2. Built-in brake structure realizes stable rotation and parking locking
  3. Precision gear set offers steady torque output and low vibration during operation
  4. Fully consistent mounting dimensions and oil port layout for direct bolt-on replacement
  5. Optimized sealing structure effectively prevents internal oil leakage
  6. Each finished unit passes pressure test and running inspection before delivery

3. Technical Parameters

Structure: Swing motor + integrated planetary reduction mechanism

Motor Type: Axial piston hydraulic swing motor

Max system relief pressure: 28.0 MPa

Rated swing speed: 10~12 rpm

Brake Mode: Spring brake, hydraulic release

Output Interface: Standard pinion gear matched with slewing bearing

4. Compatibility & Cross Reference List

Applicable Equipment: Yanmar B37V mini excavator

Interchange PN Group: 172443-73310, 172175-73312

5. BELPARTS Competitive Strength

Specialized in Yanmar mini excavator hydraulic components. Multiple quality options fit different procurement budgets. Strict QC ensures long-term stable performance. Adequate stock supports global sea & air shipping. Supply professional installation guidance and after-sales technical service.

6. Common FAQ

Q1: Are these two part numbers interchangeable?

A: 172175-73312 is the upgraded supersession number of 172443-73310, fully interchangeable for maintenance replacement.

Q2: What is the difference between aftermarket and genuine swing motor?

A: High-precision aftermarket products meet OEM standards with cost advantages; genuine products are original factory standard assemblies.

Q3: Delivery schedule?

A: In-stock goods will be dispatched within 3–7 working days with worldwide logistics supported.
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