Pin Cover for KOBELCO SK200 Excavator spare parts

Short Description:

The KOBELCO SK60‑3 Main Valve Pin Cover is an upgraded heavy‑duty dust‑proof protective accessory specially developed for multi‑way main valve pin positions of KOBELCO SK60‑3 6‑ton small excavator.

Product Detail

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description

The KOBELCO SK200 Main Valve Pin Cover adopts upgraded thickened composite material optimized for real‑world heavy‑duty working conditions of SK200 excavators: frequent heavy‑load compound movements, gravel‑mud impact and alternating dry‑wet outdoor environments. It improves inherent weaknesses of original thin‑wall caps such as insufficient rigidity, poor anti‑scouring capacity and premature aging failure. Material formula integrates anti‑aging, anti‑fouling and weather‑resistant components, with compact surface reinforcement treatment to resist long‑term sediment impact, cyclic humidity variation and heavy‑vibration‑induced material fatigue. The integrated full‑wrap structure closely fits exclusive pin‑shaft clearance of KOBELCO SK200 main valve, achieving zero‑gap lamination and closed‑loop sealing. It stably retains internal hydraulic lubricant and keeps valve‑core and valve‑hole mating surfaces clean and well‑lubricated, preventing fine grit and muddy water from entering precision gaps. All finished parts pass strict dimensional inspection and vibration fatigue testing, featuring stable elasticity and reliable exclusive fit for SK200 valve assemblies.

product parameters

Product Model: KOBELCO SK200 Main Valve Pin Cover (20‑ton Medium‑Large Excavator Thickened Upgrade)
Product Type: Multi‑way Main Valve Core Pin Dust‑proof Protective Cap
Applicable Equipment: KOBELCO SK200 20‑ton medium‑large excavator series
Structural Feature: SK200‑specific sizing, thick‑wall reinforced integrated molding, high‑rigidity anti‑fatigue, anti‑scour, full sealing dust‑mud proof, crack‑resistant & anti‑drop
Core Material: Upgraded Thickened High‑rigidity Anti‑aging Weather‑resistant Composite Material
Working Characteristics: Adapt to heavy‑load continuous operation, resist dry‑wet alternation and sediment impact, remain non‑deforming and non‑loosening under strong site vibration
Core Function: Block sand, dust and muddy water; protect main‑valve pin‑shaft assembly; keep smooth hydraulic response; reduce drifting and jerky‑action faults
Applicable Working Conditions: Mine loading, housing foundation excavation, road construction, river dredging, large‑scale infrastructure, general heavy earth‑moving projects
Matching Parts: KOBELCO SK200 original multi‑way main control valve, valve core pin shaft, 20‑ton hydraulic valve assembly

advantages

  • Custom‑fit for KOBELCO SK200 Main Valve: Molded strictly according to original installation dimensions of SK200 multi‑way valve. Optimized thickened snap‑clip delivers stable clamping force, eliminates fitting gaps, and effectively blocks sand, dust and muddy water typical for mining and heavy earth‑moving construction sites.
  • High‑rigidity Anti‑aging Material Upgrade: Adopts special composite formula balancing rigidity and toughness. It copes with continuous high‑frequency heavy vibration and cyclic mud‑sand erosion on construction sites, perfectly matching long‑hour heavy‑load operation characteristics of SK200 classic 20‑ton excavator.
  • Full‑enclosed Sealing Against Contamination: Integrated full‑wrap structure fully covers pin‑shaft matching gaps. It locks internal hydraulic grease reliably, prevents external impurities from invading precision mating surfaces, and avoids hydraulic stuttering and unsmooth linkage caused by dirt accumulation.
  • Great Durability for Harsh Construction Sites: Weather‑resistant surface treatment enables stable performance under sun exposure, mud splashing and repeated dry‑wet shifts, making up for the short service life of original thin‑wall caps in heavy‑duty mining and earth‑moving work.
  • Tool‑free Snap‑on Replacement: No cutting, modification or special tools required. Fast on‑site installation reduces equipment downtime and schedule delays caused by damaged original protective caps.
  • Protect Precision Hydraulic Components & Lower Maintenance Cost: Effectively safeguards valve core and pin‑shaft precision parts, reduces micro‑wear and micro‑jamming risks, cuts frequent minor repairs and lowers long‑term operating‑maintenance expense for SK200 machines.

FAQ

  • Q1: Is this pin‑cover exclusively for KOBELCO SK200 excavator?
  • A: Yes, this thickened upgrade accessory is custom‑made for KOBELCO SK200 original multi‑way main valve. It uses SK200 dedicated dimension and cannot be interchanged with other tonnage or other brand valve assemblies.
  • Q2: Can I install it on other SK200 generations or other brand 20‑ton excavators?
  • A: Not interchangeable. Different generations of SK200 and other‑brand 20‑ton excavators have distinct valve‑body sizes and pin‑shaft clearances. Cross‑model fitting will cause loose clamping, sealing failure and loss of protective effect.
  • Q3: When should the original pin‑cover be replaced?
  • A: Replace promptly once original cover shows hardening, cracking, elastic attenuation, loose clamping or frequent falling‑off after long‑term mining and heavy earth‑moving work.
  • Q4: Does installation need drilling or modification?
  • A: No drilling or modification required. The snap‑on structure matches the original mounting position of SK200 main valve perfectly, keeping tight fit even under long‑time heavy‑load working vibration.
  • Q5: How to extend service life of this protective cover?
  • A: Regularly clear surface sediment and dirt, avoid long‑term submersion in thick mud, keep valve cabin clean and ventilated, and follow regular hydraulic‑oil maintenance cycles.

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

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