What the maker publishes about the current Citizen R04
Marubeni Citizen-Cincom's page for this machine lists Item at R04, Max. Machining Diameter at ∅ 4 mm and Max. Machining Length (Fixed GB) at 40 mm. The page lists Max. Front Drilling / Tapping at ∅ 3 mm / M3, Spindle Through-hole Diameter at ∅ 9 mm and Max. Back Drilling / Tapping at ∅ 2 mm / M2.6. The page lists Main Spindle Speed at 20,000 rpm (Rating: 16,000) and Back Spindle Speed at 10,000 rpm, while Gang Rotary Spindle Speed is listed at 8,000 rpm (Part: 6,000). The page lists Total Mountable Tools at 13 Tools, Gang Turning / Cross Rotary at 5 / 2 Tools and Front / Back Drilling Tools at 3 / 3 Tools. The sheet gives Tool Shank / Sleeve Size as ▢ 8 mm / ∅ 15.875 mm, Max. Back Chuck Diameter as ∅ 4 mm and Max. Back Protrusion Length as 40 mm. The data gives Main Spindle Motor at 0.75 / 1.1 kW, Back Spindle Motor at 0.5 kW and Gang Tool Spindle Motor at 0.2 kW. The specification lists Rated Power Consumption at 4 kVA and Center Height / Weight at 1,000 mm / 950 kg.
Source: Marubeni Citizen-Cincom, November 2, 2026.
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