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OEM grade 42CrMo SB40 hydraulic breaker piston for Soosan SB40 rock hammer, high hardness anti-wear replacement impact piston, factory wholesale excavator breaker spare parts with.
Core Product Features
Premium 42CrMo forging blank, balanced surface hardness & inner toughness, anti-breakage under continuous high-frequency heavy impact.
CNC full outer circle precision grinding, ultra-low dimensional tolerance, perfect clearance fit with SB40 cylinder liner, less friction & oil leakage.
Multi-layer professional quenching & tempering treatment, outstanding wear resistance, effectively avoid outer circle pull scratch during long-term operation.
Optimized front impact arc design, concentrated striking force, improve breaker working efficiency & reduce useless hydraulic hydraulic power loss.
Strict dynamic balance correction, lower reciprocating vibration, protect cylinder inner wall and sealing kits from premature damage.
Full finished product 100% appearance & dimension inspection before storage, zero defective outgoing standard.
Independent anti-rust oil coating + wooden export case packing, avoid rust during long sea transportation & bulk stocking.
Product Application
Overhaul replacement for worn, scratched, cracked original SB40 piston of Soosan hydraulic hammer.
Preventive spare inventory for mini excavator rental fleet, municipal demolition team, stone quarry and road construction project team.
Bulk stocking for global hydraulic breaker spare parts distributors and local construction machinery repair workshops.
Suitable for concrete breaking, rock excavation, road foundation demolition, mountain terrain trimming projects with 4–7ton mini diggers.
FAQ
Q1: Which breaker & excavator does this SB40 piston fit?
A1: Exclusively for Soosan SB40 hydraulic breaker, compatible with 4–7 ton mini excavators.
Q2: What material is this SB40 impact piston made from?
A2: High-quality 42CrMo chrome-moly alloy steel with full forging & professional heat treatment.
Q3: What is the surface hardness standard?
A3: Surface hardness HRC58~62, core toughness HRC40~44 for anti-crack performance.
Q4: Can I buy single piece sample first before bulk order?
A4: Yes, sample order available, large bulk purchase enjoys tiered preferential price.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
20000000-25000000
Employee Number:
90~100
Ecer Certification:
Verified Supplier
Guangzhou Liantuo Machinery Trading Company is a professional cross-border supplier specializing in full-series excavator and construction machinery spare parts. We cover a complete product range, including hydraulic parts, undercarriage components, engine core parts, electrical control parts, sle...
Guangzhou Liantuo Machinery Trading Company is a professional cross-border supplier specializing in full-series excavator and construction machinery spare parts. We cover a complete product range, including hydraulic parts, undercarriage components, engine core parts, electrical control parts, sle...