Komatsu PC650-3 Hydraulic Boom Cylinder 180mm Bore 1720mm Stroke Aftermarket 209-63-X2020
Komatsu PC650-3 Hydraulic Boom Cylinder | PN:209-63-X2020 / 209-63-X2010 / 209-63-02010 | High-Quality Aftermarket Spare Parts
1. Basic Product Info
This premium aftermarket boom cylinder comes with three mutually compatible OEM part numbers, tailored to replace the original component on Komatsu PC650-3 heavy excavators. It undertakes the lifting and lowering work of the boom, ideal for harsh operating scenarios such as open-pit mining, rock quarrying and large-scale earthworks. All products are manufactured following original factory specifications, featuring unified pin hole spacing, mounting size and hydraulic interface, enabling hassle-free installation without any on-site processing.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Boom Cylinder |
| Applicable Model | Komatsu PC650-3 |
| OEM Part Number | 209-63-X2020, 209-63-X2010, 209-63-02010 |
| Quality Level | Brand New High-Grade Aftermarket |
| Warranty Period | 12 months coverage for production defects |
| Minimum Order Quantity | 1 piece, ready in stock |
| Quality Control | ISO9001 qualified, 100% hydraulic pressure tested prior to delivery |
2. Core Technical Parameters
| # | Part No. | Description | Qty |
|---|---|---|---|
| G-1 | (209-63-X2011) | BOOM CYLINDER GROUP,L.H | 1 |
| G-1 | (209-63-X2010) | BOOM CYLINDER GROUP,L.H | 1 |
| G-1 | (209-63-X2021) | BOOM CYLINDER GROUP,R.H | 1 |
| G-1 | (209-63-X2020) | BOOM CYLINDER GROUP,R.H | 1 |
| ---- | ==================== | ||
| 1 | 209-63-02011 | CYLINDER ASS'Y | 1 |
| 1 | 209-63-02010 | CYLINDER ASS'Y | 1 |
| 1 | 209-63-52540 | Cylinder | 1 |
| 2 | 707-46-13010 | Bushing | 1 |
| 3 | 07043-00108 | PLUG,(WITHOUT OIL PRESSURE SWITCH) | 1 |
| 4 | 707-28-20510 | HEAD,CYLINDER | 1 |
| 5 | 707-51-14130 | PACKING,ROD (KIT) | 1 |
| 6 | 707-51-14630 | RING,BUFFER (KIT) | 1 |
| 7 | 707-52-91150 | Bushing | 1 |
| 7 | 707-52-11410 | Bushing | 1 |
| 8 | 198-63-93170 | SEAL,DUST (KIT) | 1 |
| 9 | 07179-14160 | RING, SNAP | 1 |
| 9 | 707-75-14012 | RING,SNAP | 1 |
| 10 | 07000-15195 | O-RING (KIT) | 1 |
| 11 | 707-35-92050 | RING,BACK-UP (KIT) | 1 |
| 12 | 07000-15195 | O-RING (KIT) | 1 |
| 13 | 07001-05195 | RING,BACK-UP (KIT) | 1 |
| 14 | 707-71-31460 | COLLAR | 1 |
| 15 | 707-71-11450 | Ring | 1 |
| 16 | 01010-52790 | Bolt | 12 |
| 17 | 209-63-52520 | ROD,PISTON | 1 |
| 18 | 707-46-11520 | Bushing | 1 |
| 19 | 07043-00108 | PLUG,(WITHOUT OIL PRESSURE SWITCH) | 1 |
| 20 | 707-91-02062 | PISTON ASS'Y | 1 |
| 20 | 707-91-02061 | PISTON ASS'Y | 1 |
| 20 | ---- | Piston | 1 |
| 20 | ---- | Piston | 1 |
| 21 | ---- | SEAT,VALVE | 4 |
| 22 | ---- | Valve | 2 |
| 23 | ---- | Spring | 2 |
| 24 | ---- | VALVE,PISTON | 1 |
| 24 | ---- | VALVE,PISTON | 2 |
| 25 | 07000-12115 | O-RING,(Y1621-01A0-10) | 1 |
| 26 | 707-35-52860 | RING,BACK-UP (KIT) | 2 |
| 27 | 707-39-20820 | RING,WEAR (KIT) | 4 |
| 28 | 707-44-20180 | RING,PISTON? L.H. (KIT) | 1 |
| 28 | 707-44-20080 | RING,PISTON (KIT) | 1 |
| 29 | 707-40-20970 | Spacer | 2 |
| 30 | 707-37-20020 | Piston | 1 |
| 31 | 707-71-51461 | PLUNGER | 1 |
| 31 | 707-71-51460 | PLUNGER | 1 |
| 32 | 707-40-20910 | Retainer | 1 |
| 33 | 01252-31490 | Bolt | 6 |
| 34 | 209-63-52570 | TUBE,L.H | 1 |
| 34 | 209-63-52670 | TUBE,R.H | 1 |
| 35 | 209-62-58180 | TUBE,L.H | 1 |
| 35 | 209-62-58190 | TUBE,R.H | 1 |
| 36 | 07000-13038 | O-RING, (WITHOUT EMERGENCY STEERING) | 4 |
| 37 | 01010-51245 | BOLT, MOUNTING BRACKET TO RADIATOR (TOP) | 8 |
| 38 | 01643-31232 | WASHER,(NOT USED WITH EMERGENCY STR.) | 8 |
| 39 | 07378-11210 | HEAD,(FOR SHIPPING) | 2 |
| 40 | 07371-51260 | FLANGE,(FOR BACKHOE) | 4 |
| 41 | 01010-51245 | BOLT, MOUNTING BRACKET TO RADIATOR (TOP) | 8 |
| 42 | 01643-31232 | WASHER,(NOT USED WITH EMERGENCY STR.) | 8 |
| 43 | 707-88-96110 | BAND | 1 |
| 44 | 707-88-96120 | Bracket | 1 |
| 45 | 01010-51240 | BOLT,(WITH SERVICE VALVE R.H.) | 4 |
| 46 | 01643-31232 | WASHER,(NOT USED WITH EMERGENCY STR.) | 4 |
| 47 | 07283-23442 | CLIP,(WITH UNDER MIRROR) | 2 |
| 48 | 01599-01011 | NUT,(WITH UNDER MIRROR) | 4 |
| 49 | 01643-31032 | WASHER,(WITH AUTO EMERGENCY STEERING) | 4 |
| ---- | ==================== |
| Spec Item | Data |
|---|---|
| Cylinder Bore | 180mm |
| Piston Rod Diameter | 120mm |
| Effective Stroke | 1720mm |
| Nominal Working Pressure | 34.3MPa |
| Inspection Pressure | 51.45MPa (1.5 times of standard working pressure) |
| Cylinder Tube | High-strength seamless alloy steel with fine inner honing |
| Piston Rod | 40CrMo alloy steel after heat treatment, 28~32μm hard chrome coating, HRC68~72 for excellent wear and bend resistance |
| Matching Seal Kit PN | 209-63-X2010K |
| Operating Temperature Range | -25℃ ~ +85℃ |
| Structural Feature | Double lug design with durable copper wear bushings, built-in buffer structure to mitigate working impact |
3. Product Advantages
- Universal Compatibility: Multiple part numbers can be used interchangeably, perfectly matching the original boom assembly and hydraulic tubing of PC650-3.
- Robust Structure for Heavy Loads: Reinforced cylinder body and connection lugs withstand long-duration heavy loads and frequent external impacts on construction sites.
- Rigorous Quality Check: Each unit passes full-travel cycling test and airtightness test to effectively avoid internal and external oil leaks.
- Economical Choice: Delivers reliable performance equivalent to original parts and greatly reduces parts procurement expenses for maintenance stores and wholesalers.
- Diversified Delivery Options: In-stock items can be dispatched within 3 working days; urgent orders choose air transport, and bulk orders adopt cost-effective sea freight.
4. Supplier Brief
Our factory focuses on R&D and production of hydraulic cylinders for classic Komatsu excavator models for more than a decade. We supply a full range of boom, arm and bucket cylinders for PC series heavy equipment, and our products are well-received by clients across Africa, Southeast Asia and the Middle East.
5. FAQ
Q1: Is this cylinder suitable for Komatsu PC650-5?
A: Not applicable. PC650-5 adopts exclusive part codes and structural sizes, which cannot be cross-installed.
Q2: Does the regular package include sealing accessories?
A: Seal kit is not included in standard delivery. You can purchase the matched repair kit separately and get a favorable combined price.
Q3: How about the protective packaging for long-distance maritime transport?
A: The cylinder is filled with anti-rust oil internally, the piston rod is coated with anti-rust grease, then wrapped with waterproof film and packed in sturdy export plywood case.
Q4: Will there be a price discount when purchasing a complete set of working device cylinders?
A: Combined orders for full sets enjoy graded preferential prices, and we provide consolidated delivery to cut down overall logistics costs.
Q5: What after-sales support can I get if oil leakage occurs during the warranty period?
A: Please send photos of the leakage position and the excavator serial number, we will provide free seal replacement and professional remote technical guidance.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.