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Cat 303.5C 303.5D 303.5E 304D CR 304E Swing Motor Drive Device 266-6396 265-8752 281-3052 Nachi PCR-2B-10A-FP-8584A For Mini Excavator Parts
Nachi PCR-2B-10A-FP-8584A Slewing Motor With Reducer | Mini Excavator Rotary Components
| # | Part No. | Description | Qty |
|---|---|---|---|
| All | 2813052 | MOTOR GROUP-SWING | 1 |
| 1 | 1536087 | SCREEN | 1 |
| 2 | 2802364 | BEARING | 1 |
| 3 | 6B5328 | BEARING | 1 |
| 4 | 8C3312 | RING-RETAINING | 1 |
| 5 | 5A3604 | BOLT-SOCKET HEAD; (M8X1.25X25-MM) | 12 |
| 6 | 0950880 | PIN | 1 |
| 7 | 2802365 | PIN | 1 |
| 8 | 0951716 | SEAL-O-RING (ID=109.40mm) | 1 |
| 9 | 0951719 | SEAL-O-RING (ID=124.40mm) | 1 |
| 10 | 2749034 | VALVE GROUP-CONTROL; -SWING BRAKE | 1 |
| 1691130 | PLUG | 4 | |
| 1691116 | PLUG | 1 | |
| 0951579 | SEAL-O-RING (ID=10.80mm) | 4 | |
| 0951574 | SEAL-O-RING (ID=6.8mm); (ID=6.80mm) | 2 | |
| 11 | 8T8442 | BOLT-SOCKET HD; (M6 X 1.0 X 30) | 4 |
| 12 | 2813053 | VALVE GROUP-RELIEF | 2 |
| 13 | 0951579 | SEAL-O-RING (ID=10.80mm) | 2 |
| 14 | 2802367 | KIT-PUMP | 1 |
| ---- | (ALSO INCLUDES BODY, CHECK VALVES, SPRINGS & PLUGS) | ||
| 15 | 2802368 | KIT-BARREL | 1 |
| ---- | (ALSO INCLUDES SHOES, PISTONS, SHOE HOLDER, BARREL HOLDER, PINS, BARREL, RETAINERS, SPRING & VALVE PLATE)) | ||
| 16 | 2802369 | KIT-SWASHPLATE | 1 |
| 17 | 2802405 | PIN | 3 |
Part Name: Integrated swing motor and reduction gear assembly
Main PN: 266-6396, 265-8752, 2666396, 2658752, 281-3052, 2813052 PCR-2B-10A-FP-8584A
Applicable Models: CAT 303.5C, 303.5D, 303.5E, 304D CR, 304E mini excavator
Product Grades: Genuine New, Rebuilt Assembly, Premium Aftermarket New
Warranty: 12 months for genuine & rebuilt goods, 6–12 months for aftermarket parts
Net Weight: 31 kg
Stock Status: In stock, delivery within 3–7 working days after order confirmation
- Consistent with original hydraulic parameters to match CAT rotary system
- Built-in parking brake keeps stable positioning during static work
- Precision gear group outputs steady torque with low vibration and noise
- Identical installation size and oil port layout for direct replacement without modification
- Optimized sealing structure avoids internal and external oil leakage
- Each finished product passes pressure test and running test before shipment
Structure: Swing motor + integrated planetary reduction box
Motor Model: Nachi PCR-2B-10A-FP-8584A piston swing motor
Max system relief pressure: 30.5 MPa
Normal slewing speed: 10~13 rpm
Brake mode: Spring brake, hydraulic release
Output form: Standard pinion matched with slewing bearing
Applicable Equipment: CAT 303.5C, 303.5D, 303.5E, 304D CR, 304E
Interchange PN Group: 266-6396, 265-8752, 2666396, 2658752, 281-3052, 2813052, PCR-2B-10A-FP-8584A
Professional supplier of CAT mini excavator hydraulic rotary parts. Multiple quality options adapt to different budgets. Strict QC ensures stable long-term operation. Adequate stock supports global sea and air shipping. Provide installation guidance and after-sales technical support.
Q1: Are these part numbers interchangeable?
A: Hyphenated and pure digital PN are the same part with different writing formats, all PN can replace each other for maintenance.
Q2: Difference between aftermarket and genuine swing motor?
A: High-precision aftermarket parts meet OEM standards with cost advantages; genuine parts are original factory assemblies with original performance.
Q3: Delivery cycle?
A: Goods are in stock and delivered in 3–7 working days with global logistics available.
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