Brother Industries Vertical Machining Centers

Brother SPEEDIO S300X2

$75,000 - $120,000 Updated 2026-03-19

Key Specifications

Spindle Taper

BT30 (BIG-PLUS optional)

x axis travel

300 mm (11.8 in)

y axis travel

400 mm (15.7 in)

z axis travel

300 mm (11.8 in)

spindle speed

10,000 rpm (16,000 / 27,000 rpm optional)

tool magazine

14 or 21-position turret

Overview

The Brother SPEEDIO S300X2 is the most compact machine in the standard Speedio VMC lineup, designed for high-speed production of small parts where minimal footprint and maximum throughput are the primary requirements. With 300 x 400 x 300 mm (11.8 x 15.7 x 11.8 in) X/Y/Z travels and a floor space requirement of just 1,080 x 2,463 mm, the S300X2 is one of the smallest production-grade VMCs available from any manufacturer.

The S300X2 offers multiple spindle speed configurations: 10,000 RPM standard, with optional 16,000 RPM high-speed or 27,000 RPM ultra-high-speed variants. The 27,000 RPM option is particularly notable -- it opens the S300X2 to high-speed micro-machining and ultra-fine finishing applications that most compact VMCs cannot address. The BT30 taper with optional BIG-PLUS two-face clamping provides adequate rigidity for the machine's intended light-alloy and non-ferrous work envelope.

The turret ATC accepts 14 or 21 tools with the characteristic Speedio sub-second tool changes. Rapid traverse rates of 50/50/56 m/min on X/Y/Z maintain the platform's speed advantage even in the smallest model. Optional coolant-through-spindle supports deep-hole drilling and improved chip evacuation.

At $75,000-$120,000 new, the S300X2 is the entry point to the Speedio platform. It competes with the Fanuc Robodrill alpha-DiA5 and small-format VMCs from Haas (Mini Mill) and Hurco (VM5i) while offering the Speedio's proven rapid tool change and axis speed advantages. The X2 generation represents the latest platform updates from Brother.

The S300X2 is frequently deployed in multi-machine cells where several units run simultaneously with robotic loading, maximizing throughput per square meter of floor space.

Full Specifications

Parameter	Value
X Axis Travel	300 mm (11.8 in)
Y Axis Travel	400 mm (15.7 in)
Z Axis Travel	300 mm (11.8 in)
Spindle Speed	10,000 rpm (16,000 / 27,000 rpm optional)
Spindle Taper	BT30 (BIG-PLUS optional)
Tool Magazine	14 or 21-position turret
Rapid Traverse Xy	50 m/min (1,969 ipm)
Rapid Traverse Z	56 m/min (2,205 ipm)
Floor Space Required	1,080 x 2,463 mm (42.5 x 97.0 in)
Coolant Through Spindle	Optional
CNC Control	Brother CNC-C00
Power Supply	200/220V, 3-phase
Xyz	50m/min×50m/min×56m/min
Bt	オプション
クーラントスルースピンドル(Cts)	オプション

Specifications sourced from brother.co.jp — verified 2026-03-28

Strengths & Limitations

Strengths

Smallest footprint in the Speedio range at 1,080 x 2,463 mm -- ideal for space-constrained multi-machine cells
27,000 RPM optional spindle enables ultra-high-speed micro-machining and fine finishing applications
Sub-second turret tool changes maintain productivity even on multi-tool small-part programs
50/50/56 m/min rapid traverse matches larger Speedios despite the compact envelope
Lowest price entry point to the proven Speedio platform at $75,000-$120,000 new
Multiple spindle speed options (10K/16K/27K RPM) allow optimization for specific applications

Limitations

300 x 400 x 300 mm travels limit the machine to small parts only -- no mid-size capability
BT30 taper constrains cutting forces for steel and hard material applications
14/21 tool capacity limits complex multi-operation programs
400 mm Y-travel exceeds X-travel, creating an unusual aspect ratio for fixturing

Best For

High-volume production of small aluminum and non-ferrous components where cycle time is critical Electronics and connector manufacturers processing small precision housings and enclosures Medical device shops producing small implant components and surgical instruments at high volume Multi-machine robotic cells where compact footprint maximizes throughput per square meter Micro-machining and fine finishing applications using the optional 27,000 RPM spindle

Frequently Asked Questions

01 How does the S300X2 compare to the S500X2?

The S300X2 has 300 mm X-travel vs 500 mm on the S500X2, and a significantly smaller footprint (1,080 vs approximately 1,400 mm wide). The S300X2 offers a unique 27,000 RPM spindle option not available on larger models. Choose the S300X2 for the smallest parts and maximum machine density; choose the S500X2 when you need more X-travel.

02 What does a Brother SPEEDIO S300X2 cost?

New S300X2 machines typically price between $75,000 and $120,000 depending on spindle speed option and accessories. The 27,000 RPM spindle commands the highest premium.

03 What is the 27,000 RPM spindle used for?

The 27,000 RPM spindle enables micro-machining with small-diameter end mills (under 3 mm) at optimal surface speeds, fine finishing of aluminum and copper alloys, and high-speed engraving. It is particularly valuable in electronics, optical, and precision instrument manufacturing.

04 Can the S300X2 be automated?

Yes, the S300X2 is specifically designed for robotic cell integration. Its compact footprint and front-access design make it ideal for multi-machine cells with a single robot loading parts across several S300X2 units.