Reference Library › Horizontal Machining Centers › MA-4000H

Reference recordMBB·HORIZONTAL-MACHINING-CENTERS/OKUMA-MA-4000HUpdated 2026-10-10

Photo: Okuma (manufacturer)

ModelMA-4000H

Machine typeHorizontal Machining Centers

Max Machining Volume (corrected: X 560 mm per the Okuma MA-4000H brochure, Jan 2025, p. 25)22.05 x 25.59 x 26.97 in (560 x 650 x 685 mm)

Rotary Pallet Size15.7 × 15.7 in (400 x 400 mm)

Spindle Speed15,000 rpm

Spindle Speed (options / other configurations)12,000, 20,000 rpm

Spindle Power51/25 hp (38/18.5 kW)

Rapid Traverse2,362 ipm (60 m/min)

Magazine Capacity48

Magazine Capacity (options / other configurations)64, 140, 180, 220, 260, 300, 340

Travels — Spindle center to pallet top, mm (in)80 to 730 (3.15 to 28.74)

Travels — Spindle nose to pallet center, mm (in)85 to 770 (3.35 to 30.31)

Pallet — Max load capacity, kg (lb)400 (880)

Pallet — Indexing angle, deg0.001

Pallet — Max workpiece dimensions, mm (in)ø630 × 900 (ø24.80 × 35.43)

Spindle — Tapered bore7/24 taper No. 40

Tapered bore (option)HSK-A63

Spindle — Bearing dia, mm (in)ø70 (ø2.76)

Bearing dia (option), mm (in)ø90 (ø3.54)

Cutting feed rate, mm/min (ipm)X, Y, Z: 1 to 60,000 (0.04 to 2,362)

Spindle (option: 12,000 min-1) (40%ED/cont), kW (hp)38/26 (51/35)

Spindle (option: 20,000 min-1) (15%ED/cont), kW (hp)43/22 (58/30)

Motors — Feed axes, kW (hp)X: 5.2 (7) Y, Z: 4.6 (6)

Motors — Table indexing, kW (hp)3.0 (4)

Auto tool changer (ATC) — Tool shankMAS403 BT40

Tool shank (option)CAT40, DIN40, HSK-A63

Auto tool changer (ATC) — Pull studMAS2

Auto tool changer (ATC) — Max tool dia (w/ adjacent), mm (in)ø90 (ø3.54)

Auto tool changer (ATC) — Max tool dia (w/o adjacent), mm (in)ø170 (ø6.69)

Auto tool changer (ATC) — Max tool length, mm (in)450 (17.72)

Auto tool changer (ATC) — Max tool mass, kg (lb)12 (26.4)

Machine Size — Height, mm (in)2,750 (108.27)

Machine Size — Floor space; width × depth (RDF specs), mm (in)2,300 × 5,065 (90.55 × 199.41)

Machine Size — Mass, kg (lb)11,000 (24,200)

ControllerOSP-P500M

Coolant system — pump0.55/0.75 kW (50/60 Hz)

📋 Spec data: Detailed (34 fields) · compiled from manufacturer and public sources · reference updated 2026-10-15.
These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.

Okuma

MA-4000H

Evidence updated 15 October 2026: specifications. How evidence is dated

MBB Model ID MBB-M-3TY823 · What is this?

📚 Educational reference — no pricing, not for sale. Independent used-machine research and seller-source discovery are available in our market directory.

Manufacturer videoWatch on YouTube ↗

Why Shops Upgrade to the Okuma MA-4000HOkuma America Corporation · 0:50 · 2026-06-17

Okuma America Corporation · 0:59 · 2025-12-17↗
OKUMA CORPORATION JAPAN · 0:31 · 2025-03-26↗

About the Okuma MA-4000H

The Okuma MA-4000H is catalogued under Horizontal Machining Centers in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.

Showroom

Research Okuma MA-4000H in the Showroom → — specifications, photos and side-by-side compare.

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Machinery terms

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Manuals & documents

All Okuma manuals and documentation →

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