Time:2026-02-27 Browse: 73
The Topking RB777 is a heavy-duty Pneumatic Paving Breaker (Jack Hammer) designed for concrete demolition, asphalt removal, and hard rock crushing. Operating at 6–8 bar, it delivers high-impact energy for industrial projects.
Topking proudly supplies RB777 breakers and spare parts to professional contractors in Saudi Arabia, Indonesia, Kenya, and South America for road and mining projects.
*Note: Our parts are fully compatible with Toku RB777 models.
Is your breaker losing power? Use this diagnostic chart used by our engineers:
| Problem | Possible Cause | Solution |
|---|---|---|
| Hammer won't start | 1. Clogged air inlet 2. Frozen moisture (Winter) | 1. Clean the strainer 2. Add anti-freeze oil |
| Weak Impact Power | 1. Low air pressure (<5 bar) 2. Worn piston/cylinder | 1. Check compressor & hose 2. Replace worn parts |
| Chisel Stuck | Broken retainer spring | Replace the retainer spring |
| Feature | RB777 Paving Breaker | YT28 Rock Drill |
|---|---|---|
| Function | Demolition (Crushing) | Drilling (Blasting Holes) |
| Direction | Downward (Vertical) | Forward / Upward |
| Best For | Concrete floors, Asphalt roads | Granite, Marble mining |
| Link | View RB777 | View YT28 |
While RB777 is powerful, certain scenarios require a non-explosive, silent solution. Choose Topking Expansive Mortar if your project involves:
Urban Demolition: Areas with strict noise regulations (Hospitals, Schools).
Indoor Concrete Removal: Breaking floors inside occupied buildings.
Sensitive Foundation Work: Where vibration might damage nearby structures.
Controlled Rock Splitting: Cutting dimension stone (Granite/Marble) without waste.
Q: What is the price of RB777 paving breaker?
A: The price depends on order quantity and shipping destination. As a direct factory, we offer competitive wholesale prices.
Chat on WhatsApp for a Quote (+86 18978406522) .
Q: What air pressure does it require?
A: RB777 requires 6–8 bar (0.6–0.8 MPa) compressed air pressure for optimal performance.
Q: Are Topking parts compatible with Toku?
A: Yes. Topking RB777 spare parts (Chisel, Spring, Piston) are interchangeable with standard Toku models.
Need genuine parts or a new machine?
Contact Topking Factory for a direct quote.
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