Machine Comparison
Citizen Miyano BNA-42GTY vs Citizen Miyano BNA-42SY
Citizen Machinery vs Citizen Machinery · Mill-Turn Machines
Summary
The Citizen Miyano BNA-42GTY and Citizen Miyano BNA-42SY are both from Citizen Machinery's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Citizen Machinery ecosystem. These machines are closely matched across most specifications, making the decision more about specific feature priorities, dealer support, and your existing shop ecosystem than raw spec advantages. Both machines are proven performers in production environments and represent solid investments for shops in the market for a mill-turn machine.
Specifications Comparison
| Specification | Citizen Miyano BNA-42GTY | Citizen Miyano BNA-42SY |
|---|---|---|
| Control | Mitsubishi CNC | Mitsubishi CNC |
| Max Bar Capacity Sp1 | 42 mm (1.65 in) | 42 mm (1.65 in) |
| Max Bar Capacity Sp2 | 42 mm (1.65 in) ▲ | 34 mm (1.34 in) |
| Main Spindle Speed | 6,000 RPM ▲ | 60 - 6,000 RPM |
| Main Spindle Power | 11/7.5 kW (15/10 hp) | 11/7.5 kW (15/10 hp) |
| Sub Spindle Speed | 5,000 RPM ▲ | 50 - 5,000 RPM |
| Sub Spindle Power | 5.5/3.7 kW (7.5/5 hp) | 5.5/3.7 kW (7.5/5 hp) |
| Turret Stations | 8 (half-indexing for 16 effective positions) | 12 ▲ |
| Travel Z1 | 110 mm (4.33 in) | 285 mm (11.22 in) ▲ |
| Machine Weight | 3,740 kg (8,245 lb) | 3,880 kg (8,554 lb) ▲ |
| Price Range | $250,000 - $380,000 | $150,000 - $220,000 ▲ |
Advantages
Citizen Miyano BNA-42GTY
- Superior max bar capacity sp2 at 42 mm (1.65 in) vs 34 mm (1.34 in)
- Superior main spindle speed at 6,000 RPM vs 60 - 6,000 RPM
- Superior sub spindle speed at 5,000 RPM vs 50 - 5,000 RPM
Citizen Miyano BNA-42SY
- Superior turret stations at 12 vs 8 (half-indexing for 16 effective positions)
- Superior travel z1 at 285 mm (11.22 in) vs 110 mm (4.33 in)
- Superior machine weight at 3,880 kg (8,554 lb) vs 3,740 kg (8,245 lb)
- More competitive pricing at $150,000 - $220,000 compared to $250,000 - $380,000
Verdict
This is a close matchup. The Citizen Miyano BNA-42GTY and Citizen Miyano BNA-42SY trade advantages across different specifications, making neither a clear winner on paper alone. Your decision should come down to practical factors: which dealer is closer, which control system your operators already know, what tooling ecosystem you're invested in, and which machine's specific strengths match your highest-volume work. Get quotes on both, run test cuts with your actual parts if possible, and factor in long-term service and support costs.