If you are interested in a lathe with more distance between centers, the model 4400 (metric 4410) lathe is available. Several upgrades are also included. Standard equipment is the same as on the model 4000; that is, 90 VDC motor with electronic speed controller, a 2.75" (70mm) x 6.0" (152mm) crosslide, pulleys, belt, faceplate, lathe dog, two dead centers, three hexagonal keys, sharpened high-speed steel cutting tool, eight-foot, three-wire power cord and instruction booklet. In addition, the model 4400 lathe has a 24" (610mm) bed that has 17" (431mm) between centers, a 2.5" (63mm) resettable “zero” handwheel on the leadscrew, two 2" (51mm) resettable “zero” handwheels on the crosslide and feed screw and a rocker tool post (P/N 3057) substituted for the standard tool post used on the shortbed lathes. The electronic speed control allows continuously variable speed control from 70 to 2800 RPM without belt changes. There is a second pulley position available that offers extra torque at low RPM if needed.
Sherline Products manufactures a complete line of miniature machine tools including a 3.5" x 8" lathe, a 3.5" x 17" lathe and several models of vertical milling machines. there are now cnc-ready versions of each of these lathe and mill models. In addition to lathes, milling machines and accessories, sherline also makes products for other applications such as estimating weight using simple, inexpensive hydraulic scales.