
Merit Premium Piston for Rammer 777 (Part No. 161693)
Engineered for heavy-duty performance, this high-precision Merit replacement piston is a direct-fit solution for the Rammer 777 hydraulic hammer series. Manufactured to exact OEM tolerances, it restores your breaker to full capacity without compromising power or service life. Crafted from aerospace-grade SAE 4340 alloy steel, this piston features induction-hardened surfaces and a high-toughness core to withstand extreme cyclic loads. Choose Merit for superior fatigue resistance, minimized seal wear, and a 12-month quality guarantee.
Technical Specifications:
- Part Number: 161693
- Compatible Model: Rammer 777
- Material: SAE 4340 Alloy Steel
- Dimensions: 84 mm (Diameter) | 473 mm (Length)
- Weight: 14 kg
- Warranty: 12 Months


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