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51206332活塞 INGERSOLL RAND 512 063 32 凿岩机 YH60 YH65 YH70 Yamamoto 2651206332

51206332 Piston: Rock Drill Impact, No Nonsense

The 51206332 piston fits Ingersoll Rand YH60, YH65, YH70 hydraulic drifters. Machined from high-strength wear-resistant alloy steel, it's the part that turns hydraulic pressure into hammering force—no magic, just solid metallurgy and tight tolerances.


What you get: steady impact energy across long shifts, less blow energy drop-off as it wears, and straight swap compatibility with Ingersoll Rand housings. Also crosses to Yamamoto 2651206332.


If your current piston is scored, mushroomed, or just tired, this replacement gets you back to normal penetration rates without re-engineering the whole front end.

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51206332活塞 INGERSOLL RAND 512 063 32 凿岩机 YH60 YH65 YH70 Yamamoto 2651206332
#252
Highlights
Key Advantages
  • Alloy steel with deep case hardening—surface stays hard while core absorbs shock, so you're not swapping pistons every 200 hours
  • Machined to factory clearance specs for YH60/YH65/YH70; no honing or fitting tricks needed on install
  • Weight and stroke length match OEM, so impact frequency doesn't wander and you don't beat up the shank adapter
  • Through-hardened wear surfaces handle dirty water and fine grit that eats cheap pistons in weeks
  • Crosses to Yamamoto 2651206332—same footprint, same hammer performance, just a sensible spare part
Use Cases
Applications
  • Underground production drilling: blasting rings in hard rock mines
  • Tunnel face drilling: jumbo setups running multiple YH series drifters
  • Civil construction: anchor and micropile hole drilling in mixed ground
  • Quarry operations: primary blast hole drilling in granite or basalt
  • Road cuts and slope stabilization: working on benches where downtime costs money
Specs
Technical Specifications
Part Number51206332 (also listed as 512 063 32)
Drifter CompatibilityIngersoll Rand YH60, YH65, YH70
Cross ReferenceYamamoto 2651206332
MaterialHigh-strength wear-resistant alloy steel, case hardened
ManufacturingCNC machined, multi-stage heat treatment, final ground to spec
ApplicationHydraulic drifter impact system—piston hammer
Details
Detailed Description
51206332活塞 INGERSOLL RAND 512 063 32 用于凿岩机备件 YH60 YH65 YH70 Yamamoto 2651206332

Ingersoll Rand活塞51206332是一种精密加工的冲击部件，专为Ingersoll Rand YH60、YH65和YH70凿岩系统中的高效能量传递而设计。该活塞在产生稳定的冲击力、确保稳定的钻孔性能以及在连续重载凿岩作业中维持运行效率方面起着关键作用。

51206332活塞由高强度耐磨合金钢制成，并经过精密配合设计，与Ingersoll Rand液压凿岩机完全兼容，适用于采矿、隧道和建筑等对耐用性、可靠性和长使用寿命至关重要的场合。
FAQ
FAQ
Which drills take this 51206332 piston?
It drops into Ingersoll Rand YH60, YH65, and YH70 drifters. Also matches Yamamoto part number 2651206332—same dimensions, same stroke.
How do I know if my drifter needs a new piston?
You'll see lower penetration rate, uneven impact sound, or visible scoring on the piston body. If the striking face is mushroomed or pitted beyond 1mm, it's time to swap. Check your drifter serial plate—if it says YH60/YH65/YH70, this piston fits.
How long does this piston last?
In normal conditions with clean hydraulic oil and proper lubrication, typical life is 800-1200 hours. Hard abrasive rock, high water pressure, or missed grease intervals will shorten that. It's comparable to OEM life in most ground.
Stock availability and lead time?
We keep inventory in our warehouse. In-stock orders ship within 1-2 business days. If we're between batches, plan on 3-4 weeks. Contact us with your quantity and we'll give you a real date, not an estimate.
What's the warranty on this piston?
6 months from ship date against manufacturing defects. That covers cracks from heat treat or out-of-tolerance machining. It doesn't cover wear from normal use, contaminated oil, or running the drifter dry. If it fails due to our fault, we replace it.
Do I need special tools to replace the piston?
Standard drifter service tools—spanners, soft-faced hammer, clean workspace. Follow the YH60/65/70 service manual for accumulator depressurization and torque specs. If your crew rebuilds drifters in-house, they'll handle it. If not, any hydraulic shop can do it.
Stock
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