Редуктор ходу 227-6188 до екскаватора Caterpillar 330D L 328D

Caterpillar 227-6188 / 227-6189 / 199-4578 Complete Final Drive Assembly
Integrated Travel Motor + Multi-Stage Planetary Reduction Gearbox | BELPARTS 30-ton Class Excavator Undercarriage Spare Parts
1. Basic Information
Part Name: Full Final Drive Assembly (Hydraulic Travel Motor + Planetary Reducer Integrated Track Driving Device)
PN Definition:
227-6188: Left-hand complete final drive
227-6189: Right-hand complete final drive
199-4578: Superseded original OEM part number
Cross PN: 227-6195, 227-6196, 296-6217, 296-6218, 353-0601
Applicable Models: Caterpillar 328D L, 330D, 330D L, 330C, 330CL
Product Grades: Genuine New, Fully Rebuilt, Premium Aftermarket New
Warranty: 12 months for genuine & rebuilt items; 6-12 months for aftermarket products
Net Weight: 530 kg
Stock: In stock, delivery within 3-7 working days after order confirmation
2. Core Product Advantages
Matches OEM drawing, fits original walking hydraulic system perfectly
Two-speed design: high speed for transfer, low high-torque mode for heavy working conditions
Built-in parking brake and counterbalance valve to prevent track slipping and hydraulic impact
Multi-stage planetary gears feature high wear resistance and strong overload resistance
Direct bolt-on installation without any modification; sealed structure blocks mud and water intrusion
Every finished product passes pressure test, leakage inspection and running test before delivery
3. Technical Parameters
Structure: Integrated travel motor + multi-stage planetary reducer
Motor Type: Variable displacement axial piston travel motor
Max relief pressure: 35.8 MPa (358 bar)
Travel mode: Switchable high/low two-speed
Brake type: Spring applied brake, hydraulic release
Reduction form: Multi-stage planetary deceleration
Notice: Left and right final drives cannot be installed reversely
Output interface: Standard spline matching original drive sprocket
4. Compatibility & Cross Reference List
Applicable machines: 328D L, 330D, 330D L, 330C, 330CL
Interchange PN list: 227-6188, 227-6189, 199-4578, 227-6195, 227-6196, 296-6217, 296-6218, 353-0601
5. BELPARTS Competitive Strength
Specialized in CAT excavator walking parts. Multiple quality options to match different budgets. Strict QC ensures stable performance. Adequate inventory supports global logistics. Technical support for installation and troubleshooting.
6. Common FAQ
Q1: Can left and right final drives be exchanged?
A: No. Different internal oil circuit will cause weak traction or walking failure after reverse installation.
Q2: Are these part numbers interchangeable?
A: 199-4578 is old OEM number, 227-6188 and 227-6189 are updated versions, fully interchangeable.
Q3: Difference between rebuilt and genuine new products?
A: Rebuilt products replace all worn parts and reach OEM standard with cost advantages; genuine products are original factory assemblies.
Q4: Delivery period?
A: Ready stock, shipped in 3-7 working days, sea and air transportation available worldwide.
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