GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED
| Payment Terms | T/T, trade assurance,PayPal |
| Supply Ability | 1000PCS |
| Delivery Time | 1~3 days |
| Packaging Details | Wooden case |
| Model | R305 |
| Part number | 31N8-40011 JCK-00123 |
| part name | hyundai travel motor |
| Hlighlight | R305 final drive gearbox 31N8-40011 JCK-00123 |
| Part name | hyundai Travel motor assy |
| Application | Excavator spare parts |
| Condition | OEM/ Genuine/Used |
| Delivery | 3-7days |
| Brand Name | Belparts |
| Model Number | R305 |
| Place of Origin | Made in china |
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Product Specification
| Payment Terms | T/T, trade assurance,PayPal | Supply Ability | 1000PCS |
| Delivery Time | 1~3 days | Packaging Details | Wooden case |
| Model | R305 | Part number | 31N8-40011 JCK-00123 |
| part name | hyundai travel motor | Hlighlight | R305 final drive gearbox 31N8-40011 JCK-00123 |
| Part name | hyundai Travel motor assy | Application | Excavator spare parts |
| Condition | OEM/ Genuine/Used | Delivery | 3-7days |
| Brand Name | Belparts | Model Number | R305 |
| Place of Origin | Made in china | ||
| High Light | Hyundai R305 travel motor assembly ，Excavator travel motor assy 31N8-40011 ，JCK-00123 travel motor for excavators | ||
Belparts excavator R305 final drive gearbox 31N8-40011 JCK-00123 for mini 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: R305 | Ategory: Final Drive | |
| part number: 31N8-40011 JCK-00123 | 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 |
|---|---|---|---|---|
| * | 31N8-40011 | TRACK MOTOR | 1 | |
| *-1 | XJCK-00123 | TRAVEL MOTOR UNIT | 1 | |
| 27 | XJCK-00045 | CASING | 1 | |
| 28 | XJCK-00122 | COVER-REAR | 1 | |
| 29 | XJCK-00121 | BLOCK-CYLINDER | 1 | |
| 30 | XJCK-00042 | RETAINER-SHOE | 1 | |
| 31 | XJCK-00041 | PLATE-FRICTION | 4 | |
| 32 | XJCK-00040 | PISTON-BRAKE | 1 | |
| 33 | XJCK-00039 | PLATE-SEPARATING | 5 | |
| 34 | XJCK-00120 | PLATE-VALVE | 1 | |
| 35 | XJCK-00037 | SHAFT | 1 | |
| 36 | XJCK-00036 | COUPLING | 1 | |
| N37 | XJCK-00035 | PLATE-SWASH | 1 | |
| N38 | XJCK-00034 | PIVOT | 2 | |
| 39 | XJCK-00077 | HOLDER-SPRING | 1 | |
| 40 | XJCK-00119 | PISTON ASSY | 9 | |
| 41 | XJCK-00031 | D-RING | 1 | |
| 42 | XJCK-00030 | D-RING | 1 | |
| 43 | XJCK-00029 | VALVE-CHECK | 3 | |
| 44 | XJCK-00028 | RING-RETAINER | 1 | |
| 45 | XJCK-00027 | RING-RETAINER | 1 | |
| N46 | XJCK-00026 | SHIM | 1 | |
| 47 | XJCK-00025 | PISTON | 1 | |
| 48 | XJCK-00024 | BALL | 1 | |
| 49 | XJCK-00023 | JOINT-BALL | 1 | |
| 50 | XJCK-00022 | SEAL-PISTON | 1 | |
| 51 | XJCK-00021 | RESTRICTOR | 1 | |
| 52 | XJCK-00020 | RESTRICTOR | 1 | |
| 53 | XJCK-00019 | SEAL-OIL | 1 | |
| 54 | XJCK-00018 | SPRING-CHECK VLV | 3 | |
| 55 | XJCK-00017 | SPRING-CYLINDER | 9 |
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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Company Details
Year Established:
2013
Total Annual:
900000-3000000
Employee Number:
50~93
Ecer Certification：
Verified Supplier
GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service.... GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service....
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