Soosan SB40 Hydraulic Breaker Piston SB40 Excavator Hammer Piston
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.
- 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.
- Overhaul replacement for worn, scratched, cracked original SB40 piston of Soosan hydraulic hammer.
- Fix typical faults: weak striking power, abnormal cylinder inner wall scratch, frequent hydraulic oil leakage, irregular hammer bouncing.
- 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.
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.
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