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Republic Lagun Machine Tool ATV-900-SO Ultra Precision Manual Lathe


  • Guaranteed spindle runout of 50 millionths of an inch, in a controlled environment
  • 3 HP Electronic Variable Speed (EVS) with RPM Digital display and quick-change hi-lo lever.
  • Spindle is mounted in high precision pre-loaded angular contact ball bearings eliminating radial and end play.
  • Solid hardened and ground tool steel bed
  • Manual double tool hand lever cross slide with feed stops
  • Ball bearing precision 5C lever type collet closer
  • Solid one-piece cast headstock with outstanding rigidity
  • 6-station high precision bed turret with pre-loaded ball bearing turret head. Hardened and ground index pin mounted between hardened and ground pre-loaded roller bearings.  Six (6) independent adjustable stops for lever indexing to next position.
  • Flood coolant pump and piping
  • Heavy gauge steel pedestal with storage compartment


The ATV-900-SO Ultra Precision Manual Lathe by American Turnmaster is a high accuracy, second operation lathe. With a guaranteed spindle runout of 50 millionths of an inch in controlled environments, this reliable lathe is perfect for jobs requiring meticulous results. This, along with its compact size, makes the ATV-900-SO ideal for labs, classrooms and other small spaces or workshops.

*Note:  Interested in similar Ultra Precision Lathes? Please take a look at our ATV-618-TR model or ATV-910-FL lathes. Or browse all manual lathes offered by Lagun Engineering here.

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Swing over bed ways9” (229 mm)9” (229 mm)9” (229 mm)
Swing over carriage15” (380 mm)
Swing over cross slide3.75” (95 mm)
Length of bed36”(915 mm) 10”(254 mm)36”(915 mm)
Spindle speeds, numberInfinitely variableInfinitely variableInfinitely variable
Spindle speed range0 – 4,000 RPM0 – 4,000 RPM0 – 4,000 RPM
Spindle nose, ID/OD, 5C
5C Round collets1.06”(27 mm)1.06”(27 mm)1.06”(27 mm)
5C Hex collets.87”(22 mm).87”(22 mm).86”(22 mm)
5C Square collets.75” (19 mm).74”(19 mm
with expanding collets3”(76 mm)3”(76 mm)3”(76 mm)
with step chucks1.06(27mm)6”(152.4 mm)1.06 to 6”(27 to 152 mm)
with jaw chucks6”(150 mm)5”(127 mm)6”(150 mm)
Compound slide travel4.25” – 5.5”(108 -140 mm)
Tailstock spindle diameter1.35”(35 mm)
Spindle taperNo. 2 MT
Spindle travel3.75”(95 mm)
Main drive, EVS3 HP1 HP EVS3 HP EVS
Voltage 3/60/2203/60/2203/60/220

* All Product Specs are Subject to Change at Any Time

One year or 2,000 hours from date of installation, (single shifting) whichever occurs first. For parts and service contact our support team at


or call



*Applies to domestic sales only.