Machine Comparison
Okuma MULTUS U4000 vs Okuma MULTUS U5000
Okuma vs Okuma · Mill-Turn Machines
Summary
The Okuma MULTUS U4000 and Okuma MULTUS U5000 are both from Okuma's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Okuma ecosystem. The Okuma MULTUS U5000 leads in x travel (830 mm (32.68 in) vs 650 mm (25.6 in)). The Okuma MULTUS U5000 shows specification advantages in 5 categories, though the Okuma MULTUS U4000 may still be the better choice depending on your shop's specific needs and the type of work you run. 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 | Okuma MULTUS U4000 | Okuma MULTUS U5000 |
|---|---|---|
| X-Axis Travel | 650 mm (25.6 in) | 830 mm (32.68 in) ▲ |
| Y-Axis Travel | 230 mm (9.1 in) | 300 mm (11.81 in) ▲ |
| Z-Axis Travel | 1,545 mm (60.8 in); 2,045 mm (80.5 in) optional | 3,050 mm (120.08 in) ▲ |
| Tool Capacity | 40 (standard); 80, 120, or 180 optional | 40 tools (80, 120 optional) |
| Chuck Size | 15 inch (standard) | 15 in (381 mm) |
| Max Turning Diameter | 650 mm (25.6 in) | 900 mm (35.43 in) ▲ |
| Max Turning Length | 1,500 mm (59.1 in); 2,000 mm (78.7 in) optional | 1,500 mm (59.06 in) |
| Control | OSP-P500 | Okuma OSP-P500 |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM |
| Machine Weight | 19,500 kg (42,990 lb) | 30,000 kg (66,139 lbs) ▲ |
| Price Range | $450,000 - $650,000 ▲ | $700,000 - $1,100,000 |
Advantages
Okuma MULTUS U4000
- More competitive pricing at $450,000 - $650,000 compared to $700,000 - $1,100,000
- Backed by Okuma's dealer and service network for parts and support
- Aerospace shops machining landing gear, structural components, and engine casings requiring turning and milling in one setup
Okuma MULTUS U5000
- Greater x travel of 830 mm (32.68 in) accommodates larger workpieces
- Greater y travel of 300 mm (11.81 in) accommodates larger workpieces
- Greater z travel of 3,050 mm (120.08 in) accommodates larger workpieces
- Superior max turning diameter at 900 mm (35.43 in) vs 650 mm (25.6 in)
- Superior machine weight at 30,000 kg (66,139 lbs) vs 19,500 kg (42,990 lb)
Verdict
The Okuma MULTUS U5000 edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the Okuma MULTUS U4000 remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.