The RB777 Jack Hammer (also known as a Pneumatic Paving Breaker) is a heavy-duty crushing tool powered by compressed air. Internationally recognized for its reliability, the RB777 is the premier machine for breaking hard materials on highways, bridges, and in mines. Its robust, simple structure is designed for tough demolition jobs where sheer impact power is needed.
● Powerful Impact Force: Engineered to deliver maximum energy (1100 BPM) for breaking hard concrete, asphalt, and rock instantly.
● Heavy-Duty Durability: Constructed with high-quality forged steel to withstand the most demanding job site conditions.
● Low Maintenance: Features a straightforward design with fewer moving parts, making on-site repair simple and fast.
● Proven Reliability: A globally trusted design (Tokudo style) used by professional demolition contractors worldwide.
Road maintenance: Asphalt and concrete crushing.
Bridge demolition: Fast removal of reinforced decks.
Secondary breaking in mining and quarrying.
Civil Engineering: Breaking frozen ground and foundations.
| Feature | RB777 (High Efficiency) | B87C (Heavy Crusher) |
|---|---|---|
| Impact Rate | 1100 BPM | 850 BPM |
| Weight | 38.7 kg | 39 kg |
| Best Use | Bridge & Road Surface | Heavy Foundation |
| Parameter | Value |
|---|---|
| Weight (with muffler) | 38.7 kgs (85 1/4 lb) |
| Weight (without muffler) | 36.43 kgs (80 1/4 lb) |
| Overall Length | 733 mm (28 7/8 in) |
| Width over handle | 430 mm (16 1/4 in) |
| Recommended Air Pressure | 6 bar (87 psi) |
| Air Consumption (@ 6 bar) | 34 L/s (72 cfm) |
| Impact Rate (@ 6 bar) | 1100 blows/min |
| Cylinder Bore | 57 mm (2 1/4 in) |
| Piston Stroke | 189 mm (7 3/16 in) |
| Shank Size (Hex) | 32 x 152 mm (1 1/4 x 6 in) |
RB777 is perfect for heavy impact work. For vibration-free demolition in sensitive areas, pair it with our: Soundless Cracking Agent (HSCA)
Commonly requested RB777 spare parts for maintenance:
| Core Spare Part | System / Role |
|---|---|
| RB777 Piston | Main impact generator, precision forged. |
| Valve Chest Assembly | Controls air distribution for stable 1100 BPM. |
| Moil Point / Chisel | Heavy-duty bits for reinforced concrete breaking. |
| Cylinder Body | The core pneumatic chamber for impact force. |
| (Full Support for: Retainer, Handle Bolts, Muffler Shells, Seal Kits, etc.) | |
Q: What size air compressor is required for RB777?
A: It requires at least 34 L/s (72 cfm) @ 6 bar. For peak demolition efficiency, we recommend a 100-125 CFM portable compressor.
Q: Why choose RB777 over B87C for paving breaking?
A: RB777 offers a higher impact frequency (1100 BPM vs 850 BPM) and a more ergonomic weight, making it superior for bridge decks and road maintenance.
Q: Are RB777 parts compatible with Tokudo brand?
A: Yes. All our RB777 spare parts are manufactured to original technical standards, ensuring full compatibility with global standard jack hammers.
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