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| Price | Negotiated price |
| MOQ | 1PCS |
| Delivery Time | 1~3 days |
| Brand | Belparts |
| Place of Origin | Made in china |
| Model Number | ZX48 |
| Packaging Details | Wooden case |
| Payment Terms | T/T, trade assurance,PayPal |
| Supply Ability | 1000PCS |
| Condition | OEM/ Genuine/Used | Place of Origin | Made in china |
| Packaging Details | Wooden case | part name | hitachi travel motor |
| Model Number | ZX48 | Supply Ability | 1000PCS |
| Hlighlight | ZX48 final drive 4431549 travel motor | Brand Name | Belparts |
| Payment Terms | T/T, trade assurance,PayPal | Price | Negotiated price |
| Delivery Time | 1~3 days | Minimum Order Quantity | 1PCS |
| Model | ZX48 | Part number | 4431549 |
| Part name | hitachi Travel motor assy | Delivery | 3-7days |
| Application | Excavator parts |
Hitachi excavator ZX48 4431549 final drive gearbox mini excavator new
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 | ||
| # | 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 |
The final drive bridges this gap through gear reduction. Picture a small, fast gear (driven by the hydraulic motor) turning a much larger gear. The large gear turns slower but with far greater force. The final drive uses a compact, efficient planetary gear system to achieve an even more dramatic reduction within a small space.
Typically, multiple reduction stages are stacked. Each stage consists of a central sun gear (input), multiple planet gears meshing with it and an outer ring gear (fixed to the housing). As the sun gear spins, it forces the planet gears to "walk" around the inside of the ring gear. The planet carrier, holding these planet gears, rotates slower than the sun gear but with massively increased torque. This output torque from the carrier drives the sprocket shaft. Reduction ratios can be 50:1 or higher! This means for every 50 rotations of the hydraulic motor, the sprocket might only turn once, but with 50 times the turning force – enabling the excavator to overcome immense resistance.
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