Machine Comparison
OKK HM1000S vs Okuma MA-12500H
OKK Corporation vs Okuma · Horizontal Machining Centers
Summary
The OKK HM1000S from OKK Corporation and Okuma MA-12500H from Okuma are direct competitors in the horizontal machining centers category. The Okuma MA-12500H leads in tool capacity (81 tools vs 60 tools (90 or 120 optional)). 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 horizontal machining center.
Specifications Comparison
| Specification | OKK HM1000S | Okuma MA-12500H |
|---|---|---|
| Tool Capacity | 60 tools (90 or 120 optional) | 81 tools ▲ |
| Control | Fanuc 31i-B | Okuma OSP-P500M |
| Pallet Size | 1,000 x 1,000 mm (39.4 x 39.4 in) | 1,250 x 1,250 mm (49.2 x 49.2 in) ▲ |
| Spindle Taper | BT50 | No. 50 |
| Price Range | $500,000 - $750,000 ▲ | $1,200,000 - $2,000,000 |
Advantages
OKK HM1000S
- More competitive pricing at $500,000 - $750,000 compared to $1,200,000 - $2,000,000
- Backed by OKK Corporation's dealer and service network for parts and support
- Power generation equipment manufacturers machining large turbine housings, generator frames, and valve bodies
Okuma MA-12500H
- 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 1,000 x 1,000 mm (39.4 x 39.4 in)
- Backed by Okuma's dealer and service network for parts and support
- Heavy equipment manufacturers machining large gear housings, machine bases, and structural weldments up to 2,000 mm diameter
Verdict
This is a close matchup. The OKK HM1000S and Okuma MA-12500H 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.