Hitachi EX150LC-5 / EX160LC-5 Final Drive Travel Motor Assembly
OEM PN: 4359799, 4389722 | KYB MAG-85VP-2400E-1 | BELPARTS Excavator Track Device Spare Parts
1. Basic Information
- Part Name: Complete Travel Motor with Planetary Reduction Gearbox (Final Drive / Track Device Assembly)
- OEM Official Part Numbers: Main Assembly: 4359799, 4389722 KYB Internal Motor Model: MAG-85VP-2400E-1 Cross Interchange PN: 4447928, 4466663, AT183684, AT218124
- Fully Compatible Excavator Models: Hitachi EX150LC-5, EX160LC-5 (15–16 Ton Mid-size Excavator) Also interchangeable with Deere 160LC
- Available Conditions: Genuine Original New / Professionally Rebuilt / Premium Aftermarket New
- Warranty Policy: 12 months for Genuine & Rebuilt units; 6–12 months for aftermarket assemblies
- Net Weight: Approx. 245 kg
- Stock Status: In stock, shipped within 3–7 working days after order confirmation
2. Key Features
- Adopts original KYB MAG-85VP variable displacement piston motor structure, matched perfectly to hydraulic system of EX150LC-5 / EX160LC-5
- Integrated two-speed shifting mechanism, realizes high-speed travel for moving site & low-speed high-torque for climbing/muddy road operation
- Built-in mechanical multi-disc parking brake + counterbalance valve, prevents track sliding on slopes and eliminates impact during direction switching
- Two-stage planetary reduction gear set for large torque output, high transmission efficiency, strong load resistance for rugged construction sites
- Direct bolt-on replacement, identical mounting hole layout (16/22 hole pattern), port positions and spline output shaft; no modification required during field repair
- Forged alloy steel gear components, quenched & tempered for wear resistance; thick cast iron housing, excellent sealing performance against mud, water and dust intrusion
- Every finished unit undergoes full pressure testing, brake performance inspection and no-load running test before delivery; ISO9001 & CE certified
3. Technical Specifications (MAG-85VP-2400E-1)
- Motor Type: Variable Displacement Axial Piston Travel Motor
- Displacement: 85 cm³/rev
- Max Relief Pressure: 34.3 MPa (343 bar)
- Two-speed design: High speed / Low high-torque mode
- Brake Type: Hydraulic release, spring-applied mechanical parking brake
- Reduction Structure: Double planetary gear reduction
- Mounting Hole Pattern: 16 inner holes, 22 outer holes
- Output Spline: OEM standard matching sprocket hub
List of spare parts
| # | Part No | Part Name | Qty. |
|---|
| 4359799 | TRAVEL DEVICE (1/2) | 1 |
| 1 | 4389722 | . T.MISSION | 1 |
| 3 | 0692801 | . SHAFT | 1 |
| 4 | 0411402 | . BLOCK; CYL. ASS'Y | 1 |
| 41 | | .. BLOCK; CYL. | 1 |
| 42 | | .. PISTON ASS'Y | 9 |
| 43 | 0636101 | .. PLATE; RETAINER | 1 |
| 44 | 0636102 | .. HOLDER | 1 |
| 45 | 0411403 | .. RING; RETAINING | 1 |
| 46 | 0411404 | .. COLLAR | 1 |
| 47 | 0411405 | .. SPRING | 1 |
| 48 | 0411406 | .. COLLAR | 1 |
| 49 | 0411407 | .. PIN | 3 |
| 5 | 0692802 | . PLATE; SWASH | 1 |
| 6 | 0411409 | . BALL; STEEL | 2 |
| 7 | | . PISTON | 2 |
| 8 | 0692803 | . BRG.; BALL | 1 |
| 9 | 0692804 | . BRG.; BALL | 1 |
| 12 | 0692805 | . SEAL; OIL | 1 |
| 13 | 0411414 | . PLATE; DISK | 1 |
| 14 | 0411415 | . PISTON | 1 |
| 15 | A811180 | . O-RING | 1 |
| 16 | 4138945 | . RING; BACK-UP | 1 |
| 17 | 0411416 | . O-RING | 1 |
| 18 | 0411417 | . RING; BACK-UP | 1 |
| 21 | 0411418 | . SPRING | 2 |
| 22 | 0411420 | . PLATE; VALVE | 1 |
| 23 | | . ORIFICE | 1 |
| 24 | 4506320 | . O-RING | 4 |
| 25 | 0411419 | . O-RING | 1 |
| 100 | 4402988 | KIT; SEAL | 1 |
4. Compatibility & Cross Reference List
Direct Fit Machines
Hitachi EX150LC-5, EX160LC-5
Interchangeable Part Numbers
4359799, 4389722, 4447928, 4466663, AT183684, AT218124
Extended Compatible Model
Deere 160LC
5. BELPARTS Competitive Advantages
- Over 13 years specialized in final drives & travel motors for 14–18 ton Hitachi mid-size excavators
- Three quality options: genuine KYB/Hitachi original assembly, fully rebuilt unit with all wear parts replaced, cost-effective high-precision aftermarket replacement
- Strict pre-shipment QC: pressure calibration, brake function test, leakage inspection and endurance running verification
- Sufficient stock stored in Guangzhou warehouse, flexible sea freight & air freight global shipping solutions
- Professional technical team provides installation guidance, troubleshooting and long-term after-sales support
- Cost-saving alternative solution compared with expensive genuine OEM spare parts
6. FAQ
Q1: Are 4359799 and 4389722 fully interchangeable?
A: Yes, they are superseded updated OEM part numbers for the identical complete final drive assembly, completely interchangeable for replacement on EX150LC-5 & EX160LC-5.
Q2: What is the difference between rebuilt and brand-new final drive?
A: Rebuilt final drive replaces all worn consumable parts (piston, valve plate, planetary gears, friction plates, oil seals), bench-tested to OEM performance standard with competitive price; brand-new genuine unit is factory original assembly complying with full factory specification.
Q3: What is your delivery lead time?
A: Products are ready in stock, dispatched within 3–7 working days after order confirmation, global sea & air shipping options available.