Belparts excavator ZX48 final drive 4431549 travel motor for hitachi excavator parts
Belparts excavator ZX48 final drive 4431549 travel motor for hitachi excavator parts
The excavatortravel motor assembly is a critical component of the machine’s chassis system, responsible for supporting the entire weight and providing mobility. It typically consists of tracks, sprockets, idlers, rollers (carrier and track), and travel motors. The design of the undercarriage directly impacts the excavator’s stability, traction, and operational efficiency. A high-quality undercarriage ensures smooth movement across rough terrain, minimizes slippage and wear, and offers excellent durability for demanding applications in mining, construction, and agriculture.
| PRODUCT DESCRIPTION | ||
| Model: ZX48 | Ategory: Final Drive | |
| part number: 4431549 0809501 0820101 0809503 | Place of Origin:Other Country | |
| Condition: Original & Oem | Warranty: 12 months | |
| MOQ: 1 pcs | Production Capacity: 1000pcs /Month | |
| Standard or Nonstandard: Standard | Payment Term: L/C,T/T, Western Union, Tradeassurance | |
| Delivery Time: 1-3 days (depend on order) | Means of Transport: By Sea, Air or DHL/EMS | |
| Guarantee: We will check and send detailed pictures to buyers for confirmation | ||
List of spare parts
| # | Part No | Part Name | Qty. | Price request |
|---|---|---|---|---|
| 4431549 | MOTOR; OIL (1/2) | 1 | ||
| 1 | . CASE | 1 | ||
| 3 | 0809501 | . SHAFT | 1 | |
| 4 | . CYL. | 1 | ||
| 5 | . PLATE | 1 | ||
| 6 | . PISTON | 9 | ||
| 7 | . PLATE | 1 | ||
| 8 | . HOLDER | 1 | ||
| 9 | 0820101 | . PLATE | 1 | |
| 10 | 0682706 | . BALL; STEEL | 2 | |
| 11 | . PISTON ASS'Y | 2 | ||
| 12 | 0809503 | . SPRING | 2 | |
| 13 | 0809504 | . BRG.; ROL. | 1 | |
| 14 | 0809505 | . BRG.; ROL. | 1 | |
| 15 | 0809506 | . COLLAR | 1 | |
| 17 | 0809507 | . SPRING | 9 | |
| 18 | 0809508 | . PLATE; FRICTION | 2 | |
| 19 | 0419808 | . PLATE; DISK | 4 | |
| 20 | 0352221 | . PLATE; FRICTION | 3 | |
| 21 | 0809509 | . PISTON; BRAKE | 1 | |
| 22 | 0411419 | . O-RING | 1 | |
| 23 | 0809510 | . RING; BACK-UP | 1 | |
| 24 | 0419806 | . O-RING | 1 | |
| 25 | 0419812 | . RING; BACK-UP | 1 | |
| 28 | 0352218 | . SEAL; OIL | 1 | |
| 29 | A811260 | . O-RING | 1 | |
| 30 | 4506320 | . O-RING | 4 | |
| 31 | 0809511 | . PLUG | 2 | |
| 32 | 4506424 | . O-RING | 2 | |
| 34 | . PLUG | 2 | ||
| 53 | 0820102 | . PLATE; FRICTION | 1 | |
| 100 | 0820103 | CYL. ASS'Y | 1 | |
| 200 | 0809513 | RETAINER ASS'Y | 1 | |
| 300 | 0809514 | CASE ASS'Y | 1 | |
| 500 | 0809515 | KIT; SEAL | 1 |
Think of the excavator's tracks as its legs. The final drive is the powerful heart pumping strength into those legs. Its robust structure is designed for extreme punishment. The main component is a heavy-duty, cast steel housing, often ribbed for extra strength and heat dissipation. This acts like a fortress, protecting the delicate internal gears.
Sealing is paramount! Sophisticated floating face seals create a dynamic barrier where the rotating output shaft meets the stationary housing. These seals keep abrasive dirt and water out while preventing vital lubricating oil from leaking, even under high pressure from mud or submersion. Inside, the planetary gear sets (usually two or three stages) are precision-machined from hardened alloy steel. Bearings are massive – tapered roller bearings are common – supporting enormous radial and axial loads from the machine's weight and pushing/pulling forces. The output shaft is splined to securely connect to the sprocket, which directly engages the track links. This entire assembly bolts directly to the excavator's track frame. Its structural integrity is non-negotiable; failure means the machine stops moving.
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