New 2025 Clausing/Colchester – 8421VSJHD – Magnum Heavy Duty Variable Speed Lathe with 39.37” Swing over Bed, 4 Gear Infinitely Variable Speed Manual Gap Bed Engine Lathe

Machine Style.................. Engine Lathe
Spindle Speed Control.......... Variable Speed
Spindle (Hp)................... 40 (30kw)
Swing Over Bed (inch).......... 39.37
Swing Over Cross slide (inch).. 27.95
Swing in Gap (inch)............ 51.18
Distance Between Centers (inch) 200
Bed Width (inch)............... 22 (3V)
Spindle Bore (inch)............ 6.1
Spindle Bore (option #1)(inch) 9.8
Spindle Bore (option #2) (inch) 12
Spindle Nose (camlock)......... A2-11
Spindle Nose (option #1)....... A2-15
Spindle Nose (option #2)....... A2-20
Spindle Nose Taper............. 7MT
Spindle Nose Taper (option #1) N/A
Spindle Nose Taper (option #2) N/A
Number of Spindle Speeds....... 4 infinitely variable
Spindle Speed RPM Range........ 6-800
Spindle Speed RPM Range (option #1).... 4-600
Spindle Speed RPM Range (option#2)..... 4-400
Cross Slide Travel (inch)...... 19.68
Width of Cross Slide (inch).... N/A
Top Slide Travel (compound) (inch)..... 6.5
Tailstock Quill Diameter (inch) 4.92
Tailstock Quill Travel (inch).. 10.80
Tailstock Quill Taper.......... 6MT
Longitudinal Feed Range (in/rev)....... 0.002 – 0.125
Cross Feed Range (in/rev).............. 0.001 – 0.062
Number of Inch Pitches......... 51
Range of Inch Pitches.......... 2 – 84
Number of Metric Pitches....... 59
Range of Metric Pitches........ 0.2 – 14
Number of Diametral Pitches.... 27
Range of Diametral Pitches..... 8 – 72
Number of Module Pitches....... 20
Range of Module Pitches........ (0.2 – 3.5)
Coolant System................. Yes
Voltage Required............... 230/460
Phase 3
Machine Foot Print (LxWxH) (inch) 313.4 x 82.7 x 74.8
Machine Weight (lbs.).......... 21,670

Machine Features:

• 200” between center distance
• 39.37” Swing over bed
• Bed solid to floor (no plinths)
• State of the art AC spindle drive featuring surface mount technology to give compact size and high reliability
• (4 years parts and labor warranty on drive)
• The machine controls are 24V for low voltage requirements
• Interlocked end guard door with easy access for maintenance and changing end train gears
• Leadscrew reversing box for faster thread cutting allows for reversal of the leadscrew with the spindle running at low speed
• Easy to read index plate makes it simple to select the proper feed rate or threads
• Three headstock gear ranges for a wide spread of constant power – 33 to 1 – better than most CNC lathes
• Infinitely variable spindle speeds allow for selecting the right spindle speed very quickly with a response like a CNC lathe, displayed on headstock
• Electromagnetic spindle brake
• Forced lubrication system the spindle bearings, gears and shafts are lubricated by a forced lubrication system
• Precision Gamet tapered roller spindle bearings
• Chuck guard with limit switch
• 2 Axis power rapid traverse available from one lever mounted on the saddle
• Low-friction “Moglice” PTFE material between the saddle and bed for minimal bedwear and longer machine life
• Saddle mounted chip guard and full rear splash guard
• Extra wide heavy-duty cast iron bed with triangular webs for exceptional torsional stiffness and excellent chip clearance
• Heavy duty tailstock for excellent rigidity – with extra heavy-duty quill
• Covered leadscrew protects leadscrew from chips
• Wheeled chip bin has a large capacity for easy chip disposal
• All bedways are induction hardened and precision ground
• Cast iron base provides the maximum support for the bed combined with sloping top surfaces to prevent the accumulation of coolant
• A one year warranty backed by Clausing Service Center dedicated to support our customers with parts and service