Machine Comparison
Okuma MA-12500H vs Okuma MB-5000HII
Okuma vs Okuma · Horizontal Machining Centers
Summary
The Okuma MA-12500H and Okuma MB-5000HII are both from Okuma's horizontal machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the Okuma ecosystem. The Okuma MB-5000HII leads in max spindle speed (15,000 RPM (No. 40 standard) vs 6,000 RPM). The Okuma MA-12500H leads in tool capacity (81 tools vs 48 tools). The Okuma MA-12500H leads in spindle power (45/37 kW (20 min/continuous) (60/50 hp) vs 26/18.5 kW (10 min/continuous) (35/25 hp)). On paper, the Okuma MA-12500H edges ahead with advantages in 5 of the compared specifications, though real-world performance depends heavily on your specific applications and workholding. Both machines are proven performers in production environments and represent solid investments for shops in the market for a horizontal machining center.
Specifications Comparison
| Specification | Okuma MA-12500H | Okuma MB-5000HII |
|---|---|---|
| Max Spindle Speed | 6,000 RPM | 15,000 RPM (No. 40 standard) ▲ |
| Spindle Power | 45/37 kW (20 min/continuous) (60/50 hp) ▲ | 26/18.5 kW (10 min/continuous) (35/25 hp) |
| Tool Capacity | 81 tools ▲ | 48 tools |
| Control | Okuma OSP-P500M | Okuma OSP-P500M |
| Pallet Size | 1,250 x 1,250 mm (49.2 x 49.2 in) ▲ | 500 x 500 mm (19.7 x 19.7 in) |
| Max Workpiece Size | ø2,000 x 1,600 mm (ø78.7 x 63.0 in) ▲ | ø800 x 1,000 mm (ø31.5 x 39.4 in) |
| Spindle Taper | No. 50 | No. 40 (No. 50 optional) |
| Machine Dimensions | 6,880 x 12,512 x 3,781 mm (270.9 x 492.6 x 148.9 in) (W x D x H) ▲ | 2,540 x 5,620 x 2,893 mm (100.0 x 221.3 x 113.9 in) (W x D x H) |
| Thermo Friendly Concept | Standard | Standard |
| Anti Crash System | Standard | Standard |
| Pallet System | Dual pallet changer standard | Dual pallet changer standard |
| Price Range | $1,200,000 - $2,000,000 | $300,000 - $450,000 ▲ |
Advantages
Okuma MA-12500H
- More spindle power at 45/37 kW (20 min/continuous) (60/50 hp) for aggressive material removal in harder materials
- Larger tool magazine with 81 tools capacity reduces manual tool changes on complex parts
- Superior pallet size at 1,250 x 1,250 mm (49.2 x 49.2 in) vs 500 x 500 mm (19.7 x 19.7 in)
- Superior max workpiece size at ø2,000 x 1,600 mm (ø78.7 x 63.0 in) vs ø800 x 1,000 mm (ø31.5 x 39.4 in)
- Superior machine dimensions at 6,880 x 12,512 x 3,781 mm (270.9 x 492.6 x 148.9 in) (W x D x H) vs 2,540 x 5,620 x 2,893 mm (100.0 x 221.3 x 113.9 in) (W x D x H)
Okuma MB-5000HII
- Higher maximum spindle speed of 15,000 RPM (No. 40 standard) enables faster cutting on aluminum and non-ferrous materials
- More competitive pricing at $300,000 - $450,000 compared to $1,200,000 - $2,000,000
- Backed by Okuma's dealer and service network for parts and support
- Production shops running mixed steel and aluminum parts where box-way rigidity improves surface finish without sacrificing cycle time
Verdict
The Okuma MA-12500H holds a spec advantage in this comparison, but the right choice depends on your shop's priorities. If the Okuma MA-12500H's strengths in areas like Spindle Power and Tool Capacity align with your work, it's the clear pick. The Okuma MB-5000HII may still win on dealer proximity, existing tooling compatibility, or specific features that matter most to your applications. Request quotes from both dealers and, if possible, run your actual parts on each machine before deciding.