Our Siemens CNC Mill Retrofit Kits are perfect for 3-Axis Knee/Bed Mills, Vertical Machining Centers, and Routers. The Siemens 808D Basic control system is suitable for any machine that has 3 interpolating axes. Need additional axes or larger servo motors? No problem. We offer Siemens solutions on multiple control platforms, including: Siemens 808D Basic, 808D Advanced, 828D, and 840D. Our DIY kits are some of the easiest to install and configure on the market. For more advanced machine tool applications we offer turnkey retrofit solutions.

Custom kits can be built for any machine tool application. Our team has over 30 years of experience retrofitting all types of machine tools - both small and large. Contact us to discuss your specific application.

Siemens SINUMERIK 808D vs. 828D Kit Overview



Up to 3 axes and spindle

Pulse and direction interface to drive

Canned Cycle Programming

Drives & Motors

Rated torque 4–10 Nm

Drive line input 230V

200% overload

Incremental encoder with 2500 ppr

Motor speed 2000 rpm

Degree of protection IP54


Up to 4 axes and spindle

Drive bus communication

Conversational Programming Available

Drives & Motors

Rated torque 3.5–12 Nm

Drive line input 230V or 460V

300% overload

Absolute encoder - NO Homing Required

Motor speed 3000 rpm

Degree of protection IP65