EC400D Complete Swing Motor Assembly With Swing Gearbox For EC400D Hydraulic Motor
High‑quality aftermarket full swing assembly including swing motor and reduction gearbox for Vol-vo EC400D heavy‑duty excavator, core slewing power component for mining & construction machinery overhaul.
Key Features
-
- Complete swing assembly perfectly matched for Vo-lvo EC400D large excavator, motor + gearbox integrated unit
- High‑torque heavy‑duty hydraulic swing motor, stable slewing performance under heavy‑load mining conditions
- Precision hardened gear set & wear‑resistant friction plates, low noise, high efficiency and long service life
- High‑pressure resistant seals, excellent anti‑leakage performance for continuous long‑time operation
- Strict factory pressure, dynamic balance and sealing testing before delivery
- Exact OEM mounting dimension, direct bolt‑on replacement without modification
- Heavy‑duty structure adapts to open‑pit mining, quarry and large‑scale earthmoving environments
- Wide compatibility with multiple V-olvo large excavator models
Product Information
| Item |
Specification |
| Product Name |
Complete Swing Assembly (Swing Motor + Reduction Gearbox) |
| Matched Excavator |
EC400D |
| Type |
Hydraulic Swing Motor With Integrated Gearbox |
| Material |
High‑Strength Alloy Steel, Wear‑Resistant Copper Alloy, Hardened Gear |
| Function |
Provide Power For Excavator Upper Body Rotation |
| Application |
Mining Excavator, Heavy‑Duty Construction Machinery |
| Condition |
Brand New Aftermarket Replacement |
Related Products
| Category |
Replaceable Part Numbers / Compatible Models |
| General OEM Series |
14725084, 14725085, 14672462 |
| Compatible Excavator Models |
Suitable for EC400D, EC380D, EC450D, EC480D, EC500D |






FAQ
Q1: Does this include swing motor and gearbox together?
A1: Yes, complete swing assembly with motor + reduction gearbox.
Q2: Which excavator is it mainly for?
A2: Specially designed for Vo-lvo EC400D large excavator.
Q3: What other Vo-lvo models are compatible?
A3: Suitable for EC380D, EC450D, EC480D, EC500D D‑series excavators.
Q4: Can it be installed directly?
A4: OEM standard size, plug‑and‑play replacement without modification.
Q5: Is it suitable for mining heavy‑load work?
A5: Yes, heavy‑duty structure for long‑time open‑pit mining continuous operation.