KOMATSU 21N-70-33161 PC1250 Connecting Arm Pin Boom Pin Bucket
Pin Engineering Machinery Parts Original and Authentic
Product Description
| Part name | Excavator Connecting Arm Pin Boom Pin Bucket Pin |
| Application | Hydraulic Excavator |
| Packing | Carton |
| Type | Ordinary Product |
| Model | KOMATSU PC1250 |
| Part No. | 21N-70-33161 |
| Key Word | Hydraulic Breaker |
| Delivery time | 3-7 Days |
| Brand | Huilian |
| Related Part | Engine, Cylinder, Liner Kit, Piston, Gasket Kit |
| MOQ | 1 Piece |
Functions of the Excavator Bucket Pin:
1. Pivoting Connection:
The bucket pin acts as a hinge, connecting the excavator's arm (dipper stick) to the bucket. It allows the bucket to rotate smoothly, enabling digging, scooping, and dumping motions.
2. Load Bearing:
It bears significant shear forces and bending stresses during excavation, especially when the bucket is filled with heavy material (e.g., soil, rocks, or debris).
3. Articulation for Precision Work:
By allowing the bucket to pivot, the pin ensures precise control over digging depth, angle, and material handling, improving operational efficiency.
4. Durability & Wear Resistance:
High-quality hardened steel pins resist wear from friction and abrasion, ensuring long-term reliability even under harsh working conditions.
5. Easy Replacement (Maintenance):
Though built for durability, bucket pins are designed to be replaceable when worn out, minimizing downtime and maintenance costs.
Importance in Excavator Performance:
A well-functioning bucket pin ensures smooth bucket movement, reducing stress on hydraulic cylinders and other linkage components.
Worn or damaged pins can lead to loose bucket attachment, inefficient digging, and even failure of the linkage system.
| PC240LC, PC240-8MO, PC270, PC270LC, PC290, PC300, PC300LC, PC350, PC360, PC360LC, PC360-7, PC350-7, PC400, PC400LC, PC450, PC450-7, PC500, PC500LC, PC650, PC750, PC1100, PC1250, PC2000, PC60-8, PC200-8MO, PC360-8MO, PC18MR-3, PC30E-5, PC56-7, PC70-8, PC110-8MO, PC130-8MO, PC160LC-8, HB205-1MO, PC210LC-8MO, PC210-8MO, PC210-8M0, PC215-10M0, PC215-10M, PC215HD-10, PC215LC-10, HB215LC-1MO, PC220-8MO, PC240LC-8MO, PC270-8, PC300-8M0, PC300-8MO, PC390LC-8MO, PC430-8, PC460LC-8, PC500LC-10MO, PC650LC-8E, PC650LC-8E, PC700LC-8E, PC850-8, PC850LC, PC850SE, PC1250-8, D31, D50, D65, D85, D155, D275, D375, D475 |
| Hammer Parts | Main Body | Back Head | Charging Valve | Cylinder | Seal Retainer |
| Socket Plug | Piston | Adapter | Valve | Valve Plug | Valve Sleeve |
| Front Head | Grease Nipple | Rod Pin | Stop Pin | Rubber Plug | Front Head Pin |
| Ring Bush | Thrust Bush | Upper Bush | Front Cover | Tool Bush | Lower Bush |
| Rod Moil Point | Chisel | Washer | Through Bolt | Side Rod | Hex Nut |
| Air Check Valve | Valve Adjuster | Accumulator | Accumulator Body | Accumulator Cover | Socket Bolt |
| Charging V/V | Diaphragm | Seal Kit | O-Ring Seal | Gas Seal | Step Seal |
| Buffer Seal | Dust Seal | U-Packing | Back-up ring | Side Bolt | Upper Cushion |
| Down Cushion | Tool Set | N2 Gas Charging Set | N2 Gas Cylinder | B-3way valve assy | |
| Available Excavator Parts |
| Engine Assembly | Final Drive Assy | Hydraulic Pump | Gear Pump |
| Swing Motor | Travel Motor | Fan Motor | Electrical Parts |
| Swing Gearbox | Travel Gearbox | Relief Valve | Distribution Valve |
| Available Engine Parts |
| Liner Kit | Piston | Piston Ring | Engine Bearing |
| Cylinder Block | Gasket Kit | Gasket Head | Crankshaft |
| Valve | Valve Seat | Valve Guide | Nozzle |
| Bearing | Accelerator Motor | Transmitter | Pressure Switch |
| Flameout Solenoid | Monitor | Fan Cooling | Oil Filter |
| Radiator | Main Valve | Belt | |
Company Profile
Koko Shop Machine Co., Ltd (EB Seals)is a professional supplierfor hydraulic breaker parts and excavator parts and OEM hydraulicseals manufacturer.
We specialize in completed seal kits andseparate seals for hydraulic breaker and excavator more than Tenyears in Guangzhou, China. Koko Shop supply almost all brandsbreakers' parts like Seal kits,Diaphragm, Piston, Chisel, Wear Bushupper and lower, Rod Pin, Through Bolts, Side Bolts, Control ValveFront Head, Cylinder, Accumulator, N2 Gas Charging Kit, etc. Weinsist on high quality parts with genuine and OEM aftetmarketre placement parts.In order to meet different needs of customersand diffetent market, Koko Shop purchas Original parts from Japan.Korea, Singapore and USA to fullfill the products variety range andstock.For example: Parker and SKF from USA, Japan NOK and Corteco,U.KHallite, Korea Autox and Bookwang seals.In themeanwhile,our factory produce high quality OEM seals with rawmaterial Rubber, PU,PTEE,PTFE, etc,These quality seals are useto complete the seal kits application in hydraulic breakers andexcavators hydraulic system sealing repair maintenance andapplucation to breakerassembly.
Nowadays, Koko Shop Machine Co., Ltd established a long-termbusiness relationship with customers from all over the word, Someof them from India,Pakistan,SaudiArabic,Kenya,Algeria, Dubailran, Ukraine,Russia, Moroce, and so on.And, Koko Shop MachineCo.,Ltd is continuing to seek the chances to meet all the friends bothfrom home and abroad for win-win cooperation, Koko Shop Machine Co., ltd,your assurance of quality. Do the best and be the best!
Why choose us?
| 1. We are manufacturers and product direct sales. |
| 2. More than 16 years of industry experience. |
| 3. Professional production technology, product good quality and Low price. |
| 4. Fast delivery and Support OEM/ODM order. |
| 5. Large Stock,Over 30,000 sizes and more than 1 million pieces in stock. |
| 6.We have the full range of mould size and stable and high quality production line. |
| Advantage of our Company |
| 1. We are working with PARKER SKF(US), Frukawa (Japan), Soosan (Korea), MSB (Korea) for years. |
| 2. Our factory was established over ten years,well-experienced in manufacture. |
| 3. Our boss and employee of sales-team are young, between the ages of 20-30, so we are lively and energetic. |
| 4. We pay more attention to product quality. We don't debase product quality in the price competition. |
| 5. Our products are 100% tested before delivery. |
| 6. Our after-sales service is timely and efficient. When necessary, we will visit customer's company to deal with after-sales or customer complaints. |
FAQ
Q1. How many days for the delivery time ?
It is about 3-7 working days after the order confirmation.
Q2. What kind of payments you accept?
Now we accept T/T, L/C or Western Union, other terms also could be negotiated, Recommended Trade Assurance to guarantee buyer's property.
Q3. Are you able to manufacturing products according to customer's design?
Sure, we have made many special orders from oversea for 13 years since 2010. So we have enough ability to deal with any cases. OEM certificate is available to provided.
Q4. What's your advantages in the machinery manufacturing industry?
Fast delivery time, High quality products, Best customer service, Adopting the latest production technology.
Q5. Which countries have you been exported recently?
Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, etc.
Q6. Are you sure that your product will fit my hydraulic breaker?
We have different brand hydraulic breaker parts. Show me your model number, and we can give you best match products.
Q7. How about the packing of the goods?
Standard export package, wood cases, or as customers' demands.
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KOMATSU 21N-70-33161 PC1250 Connecting Arm Pin Boom Pin Bucket Pin Engineering Machinery Parts Original and Authentic Images
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