Guangzhou Tiangong Machinery Equipment Co., Ltd.
| Payment Terms | L/C,T/T,D/P,D/A |
| Supply Ability | 50 pcs / month |
| Delivery Time | 1-3days |
| Packaging Details | NNER PACKING: Wrap by plastic film, clear label for each item. OUTER PACKING: Carton or Plywood Case PACKING SIZE: Depend on packing type |
| Compatible Models | E320D3, E307.5, E308 |
| Brand Name | TGFQ |
| Model Number | E307.5 E308 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T,D/P,D/A | Supply Ability | 50 pcs / month |
| Delivery Time | 1-3days | Packaging Details | NNER PACKING: Wrap by plastic film, clear label for each item. OUTER PACKING: Carton or Plywood Case PACKING SIZE: Depend on packing type |
| Compatible Models | E320D3, E307.5, E308 | Brand Name | TGFQ |
| Model Number | E307.5 E308 | Place of Origin | CHINA |
| High Light | E320D3 slewing reduction gearbox ，543-1000 drive GP-swing gearbox ，Excavator travel motor gearbox | ||
E320D3 SLEWING REDUCTION GEARBOX 543-1000 DRIVE GP-SWING - WITHOUT MOTOR PART OF 525-3741 DRIVE GP-SWING
Travel Counterbalance Valve Assembly - Part of 525-3741 543-1000 Hydraulic AR
The motor and mounting group incorporates a built-in reverse-prevention valve that eliminates unintended reverse rotation, preventing operational errors and safety hazards.
This safety feature is critical 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 | E320D3 |
| Category | Excavator Swing Hydraulic Motor |
| Brand | TGFQ |
| Part Numbers | 525-3741/543-1000 |
| 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.
The swing brake features a multi-disc and plate assembly located in the first stage planetary gear. This spring-applied, hydraulically-released system functions as a parking brake and is not designed for cyclic service braking. Discs and plates are lubricated by the release signal oil for optimal performance and longevity.
| Item | Part Number | Part Name | Quantity |
|---|---|---|---|
| 1 | 550-5488 | Shaft-Pinion | 1 |
| 2 | 550-5489 | Spacer (120X140X7.5-MM Thk) | 1 |
| 3 | 550-5490 | Seal-O-Ring | 1 |
| 4 | 550-5491 | Bearing | 1 |
| 5 | 550-5492 | Housing | 1 |
| 6 | 6V-7238 | Valve-Shutoff (Swing Drive) | 1 |
| 7 | 3K-0360 | Seal-O-Ring | 1 |
| 8 | 550-5493 | Seal-Ring | 1 |
| 9 | 550-5494 | Bearing | 1 |
| 10 | 550-5495 | Nut-Ring | 1 |
| 11 | 550-5496 | Seal-O-Ring | 2 |
| 12 | 550-5497 | Gear-Ring | 1 |
| 13 | 550-5498 | Planetary AS | 1 |
| 14 | 550-5499 | Gear-Sun | 1 |
| 15 | 550-5500 | Planetary AS | 1 |
| 16 | 550-5501 | Gear-Sun (22-TEETH) | 1 |
| 17 | 550-5502 | Cover | 1 |
| 18 | 550-5505 | Gauge-Oil Level (Swing Drive) | 1 |
| 19 | 491-3927 | Bolt-Flange Head (M16X2X120-MM) | 15 |
| 20 | 550-5506 | Breather AS (Swing Drive) | 1 |
| AVAILABLE REPAIR KIT(S): | |||
| 21 | 569-7789 | Kit-Pinion (Swing Drive) | 1 |
| 22 | 570-3872 | Kit-Pinion (Swing Drive) | 1 |
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.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2000
Total Annual:
10 million-15 million
Employee Number:
>150
Ecer Certification：
Verified Supplier
TGFQ, manufacturing and trading combo, specializes in excavator gear parts and gearbox more than 20 years with professional team since 2000. After twenty years’ effort and development, now we have become one the leader manufacturers and suppliers in China. TGFQ's main pro... TGFQ, manufacturing and trading combo, specializes in excavator gear parts and gearbox more than 20 years with professional team since 2000. After twenty years’ effort and development, now we have become one the leader manufacturers and suppliers in China. TGFQ's main pro...
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