9250922/4637117/9250921 ZX870-3 Swing drive M2X210 P/N TL1100-3/ZX850-3/ZX850-3F/ZX870H-3
This high-grade replacement swing drive is professionally optimized and precisely calibrated for ZX870-3 excavators. Featuring upgraded hydraulic transmission technology and reinforced structural craftsmanship, it delivers stable performance, extended service life, and improved operational reliability under rigorous heavy-load conditions. As a cost-effective premium replacement solution, it offers excellent compatibility and superior comprehensive performance.
The motor and mounting group incorporate a built-in reverse-prevention valve that eliminates unintended reverse rotation, preventing operational errors and safety hazards.
- One-way valve design ensures hydraulic oil flows in only one direction
- Prevents motor reversal due to external forces or hydraulic fluctuations
This critical safety feature is essential during heavy lifting operations where reverse rotation could cause load drops and serious accidents. The high-flow capacity valve maintains normal motor operation and response speed while providing reliable performance under high hydraulic pressure and frequent use conditions.
| Compatible Models | ZX850-3/ZX850-3F/ZX870H-3 |
| Category | Excavator Swing Drive |
| Brand | TGFQ |
| Part Numbers | 9250922/4637117/9250921 |
| Packing | Wooden Case |
| Delivery Time | 1-3 days after payment confirmation |
| Shipping Methods | By Sea, Air, or Express |
Each unit undergoes thorough inspection and detailed photos are provided for buyer confirmation before shipping to ensure product quality and satisfaction.
Hydraulic motors are essential components in earthmoving equipment including excavators, backhoe loaders, skid-steer loaders, forklifts, heavy dump trucks, and bulldozers. They power hydraulic cylinders that extend and retract during various operational cycles.
| Pos. | Part No | Qty | Parts Name |
|---|---|---|---|
| 01. | 9251045 | [1] | SWING-DEVICE (R) |
| 01A. | 9250922 | [1] | SWING-DEVICE |
| 01B. | 4221287 | [1] | ADAPTER;S |
| 01C. | 4154658 | [1] | ELBOW;S |
| 01D. | 4637608 | [1] | HOSE |
| 01E. | 3104915 | [1] | BLOCK |
| 01F. | 4194712 | [1] | COCK |
| 01G. | 94-0632 | [1] | ELBOW;S |
| 01H. | 4509122 | [1] | PLUG |
| 03. | 9251046 | [1] | SWING-DEVICE (L) |
| 03A. | 9250922 | [1] | SWING-DEVICE |
| 03B. | 4221287 | [2] | ADAPTER;S |
| 03C. | 4637609 | [1] | HOSE |
| 03D. | 3104915 | [1] | BLOCK |
| 03E. | 4194712 | [1] | COCK |
| 03F. | 94-0632 | [1] | ELBOW;S |
| 03G. | 4509122 | [1] | PLUG |
| 05. | 4050722 | [4] | PIN;KNOCK |
| 06. | J932407 | [28] | BOLT |
| 07. | 4219047 | [28] | SPACER |
| 09. | J271060 | [4] | BOLT;SEMS |
| 09A. | J901060 | [1] | BOLT |
| 09B. | J222010 | [1] | WASHER |
| 10. | 4055311 | [1] | CLIP;BAND |
Our facility includes over 4000 square meters of three-dimensional warehouse space plus 2000 square meters of outdoor storage, ensuring adequate inventory levels and rapid response to customer requirements. Fast delivery is our competitive advantage.
Yes, we welcome sample orders for testing and evaluation.
Simply provide the model and quantity you need. We will issue a proforma invoice, and upon payment confirmation, your order will be processed. Preparation time varies based on order complexity.
Yes, we operate our own manufacturing facility with 23 years of specialized experience in the excavator gear industry.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.