2025 MK-Series – Clausing Large Swing Capacity Oil Country Lathe. 4-Way Bed System, 70” Swing over Bed, Infinitely Variable Speed Gap Bed Engine Lathe

Machine Style Large Swing Engine Lathe
Spindle Speed Control Inverter Variable
Spindle / Inverter (Hp).......... 70/70
Swing Over Bed (inch)............ 70
Swing Over Cross slide (inch).... 53
** Maximum Weight Between Centers (lbs.) Standard...... 33,000
** Maximum Weight BC with Steady (lbs.) Standard....... 37,400
** Maximum Unsupported weight in Chuck (lbs.) STD...... 19,800
Distance Between Centers (inch).. 81
Bed Width Across V and Flat (inch)47.5
Bed Height from Floor (inch)..... 30
Spindle Bore (inch).............. 24.02
Spindle Nose A-Mount............. 15-20
Number of Spindle Speeds Variable 4-Auto Change
Spindle Speed RPM Range (standard RPM) 10-350
Cross Slide Travel (inch)........ 51
Top Slide Travel (compound) (inch) 19.7
Tailstock Quill Diameter standard (inch) 11
Tailstock Quill Travel standard (inch) 10
Tailstock Quill Taper standard... 6 MT
Longitudinal Feed Range (in/rev) 0.0018 – 0.1
Cross Feed Range (in/rev) 0.0009 – 0.05
Number of Inch Pitches........... 60
Range of Inch Pitches............ 1/2 – 28
Number of Metric Pitches......... 60
Range of Metric Pitches 1 – 56
Number of Diametral Pitches 60
Range of Diametral Pitches 2 – 112
Number of Module Pitches 60
Range of Module Pitches 0.25 – 14
Coolant System Yes
Voltage Required 230/460
Phase 3
Machine Footprint (LxWxH) (inch) Based on Specific Model
Machine Weight (lbs.) Based on Specific Model
** These weights can be increased with larger spindle bores and spindle bearings

Machine Features:
4-Way bed system
4-range auto change AC variable drive with CSS control
9.05” Spindle bore A2-15 nose mount with 12” ID Spindle bearing
Optional spindle bores to 24.02”
Hardened and Ground bed ways and gears
Turcite “B” fitted between saddle and bed to greatly reduce friction
Chuck guard and chip guard
70 Hp Main spindle motor / 70 Hp Inverter, Optional sizes available
Auto Power off with 2 adjustable stops
Electric cabinet ventilation fans
Electromagnetic spindle brake
6-Way rapid traverse drive
6-Way power feed
4-Way, 8 position tool post with t-slot riser
2 Dead centers
2.36” lead screw with cover 2-TPI
Coolant system
Automatic lubrication system
Thread dial
Hydraulic tailstock w/rotating quill and hydraulic body movement
Traveling rear splash guard
Built in air supply tube
Lockable main disconnect
Halogen worklight
Leveling screw and pads
Optional CE electrics
A one-year warranty backed by Clausing Service Center.
We are dedicated to support our customers with parts and service.