DH300-7 Pin Cover for Doosan DH300-7 Excavator spare parts

DH300-7 Pin Cover for Doosan DH300-7 Excavator spare parts Featured Image
  • DH300-7 Pin Cover for Doosan DH300-7 Excavator spare parts

Short Description:

The DH225‑9 Pin Cover is a heavy‑duty dust‑proof protective cover specially developed for Doosan DH225‑9 22‑ton medium‑large excavator working device pin shafts.

Product Detail

Product Tags

description

The DH300-7 Pin Cover is made of upgraded thickened high-density toughened rubber-plastic composite material, with increased wall thickness and structural strength compared with ordinary pin covers, specially optimized for the heavy-load vibration and impact characteristics of Doosan 30-ton large excavators. It balances super elasticity and ultra-strong tear resistance, without permanent deformation or breakage under long-term high-intensity extrusion and gravel impact. The formula is added with high-efficiency anti-UV, anti-aging and anti-scouring auxiliary components, and the surface adopts multi-layer reinforced anti-fouling and anti-corrosion treatment, which can resist long-term sun exposure, rain erosion, mud soaking and gravel impact, adapting to extreme harsh working environments such as quarries and large earthwork sites. The exclusive large-size full wrapping structure perfectly covers the matching gap of DH300-7 pin shaft and bushing, with higher fitting tightness and better overall sealing performance. It effectively locks internal lubricating grease, avoids dry friction and abnormal wear caused by foreign matter intrusion, and ensures stable and flexible operation of large excavator working devices.

product parameters

Product Model: DH300-7 Pin Cover (Heavy-duty Thickened Version)
Product Type: Large Excavator Working Device Pin Dust-proof Protective Cover
Applicable Equipment: Doosan DH300-7 30-ton large excavator
Structural Feature: Thick-wall Reinforced Integral Structure, Super Tear-resistant, High-elastic Tight Fit, Anti-impact, Anti-aging, Full Sealing Dust and Mud Proof
Core Material: Upgraded Thickened High-toughness Modified Rubber-plastic Composite Material
Working Characteristics: Heavy-load Resistant, Impact Resistant, Wear-resistant, Anti-corrosion, UV-resistant, No Deformation or Falling Off Under Long-term Extreme Working Conditions
Core Function: Isolate Heavy Mud, Gravel and Fine Dust, Protect Large Pin Shaft & Bushing Assembly, Eliminate Working Device Jitter and Abnormal Noise, Prevent Shaft Sticking
Applicable Working Conditions: Open-pit Quarrying, Mountain Rock Breaking, Large-scale Earthwork Transfer, Foundation Pit Deep Excavation, Long-term High-intensity Continuous Operation
Supporting Matching Parts: Doosan 30-ton Bucket Pin, Arm Pin, Boom Pin, Pin Bushing, Grease Nipple

advantages

  • Exclusive Heavy-duty Thickened Structure for Large Machines: Aiming at the defects of thin wall, easy cracking and poor impact resistance of ordinary pin covers for 30-ton large excavators, the thickened wall reinforced structure is adopted to effectively resist heavy impact and strong vibration of DH300-7 working device, with stable structural performance under long-term heavy-load operation.
  • High-toughness Material Upgrade, Super Durable: Upgraded high-toughness rubber-plastic composite formula greatly improves tear resistance, impact resistance and anti-fatigue performance. It adapts to all-day high-intensity harsh operation of DH300-7 large excavator, not easy to harden, age or lose elasticity, and maintains long-term stable sealing protection.
  • Full Enclosed Super Sealing Performance: Optimized full wrapping structure for large gap of large pin shafts, perfectly fits the assembly gap of DH300-7 pin shaft and bushing, effectively blocks heavy mud and gravel intrusion, thoroughly solves the problem of easy ash and mud entry of ordinary protective covers for Doosan 30-ton equipment.
  • Professional Protection for Large Pin Shaft Assembly: Fully covers the matching gap of pin shaft and bushing, keeps internal lubricating grease clean for a long time, avoids dry friction, shaft sleeve scratching and pin shaft jamming caused by dirt accumulation, and significantly reduces the failure rate of large excavator working devices.
  • Extreme Harsh Environment Adaptability: Enhanced anti-scouring, anti-corrosion and anti-ultraviolet performance, resistant to strong sunlight exposure, rain erosion, mud soaking and gravel impact, perfectly adapting to various extreme quarry and earthwork construction conditions.
  • Reduce Comprehensive Maintenance Costs: DH300-7 exclusive precise size, tool-free quick installation, effectively reduce the replacement frequency of vulnerable pin cover, pin shaft and bushing parts, and save a lot of long-term maintenance costs for large excavators.

FAQ

  • Q1: Is this pin cover dedicated for DH300-7?
  • A: Yes, this product is a heavy-duty thickened exclusive model specially developed for Doosan DH300-7 30-ton large excavator, with accurate matching size and cannot be interchanged with other tonnage models such as DH225 and DH500.
  • Q2: Can ordinary standard pin covers be used for DH300-7?
  • A: Not recommended. Ordinary thin-walled pin covers are poor in impact resistance and easy to crack and fall off under DH300-7 quarry and heavy earthwork conditions, which cannot play effective protective effect and will accelerate pin shaft and bushing wear.
  • Q3: When to replace with DH300-7 heavy-duty pin cover?
  • A: When the original pin cover has problems such as cracking, deformation, elastic failure, loose clamping and frequent falling off during heavy-load operation, it is necessary to upgrade and replace it with this thickened heavy-duty model in time.
  • Q4: Does installation require modification or debugging?
  • A: No modification and debugging required. Exclusive standard snap-on size for DH300-7, plug-and-play, tight and firm fit after installation, no loosening or falling off during long-term heavy vibration.
  • Q5: How to extend the service life of DH300-7 pin cover?
  • A: Regularly clean surface sediment and gravel, avoid long-term mud soaking, regularly fill grease for pin shaft lubrication to keep the pin shaft flexible, effectively extending the service life of the pin cover and pin shaft assembly.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

our warehouse

our warehouse

Pack and ship

Pack and ship


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