To the best of our knowledge all details listed below are deemed correct. It is the buyer’s responsibility to confirm all details and we encourage an inspection of the machine(s) and accessories prior to purchase. General Specifications for Yaskawa Motoman HP50-20 Robot Arm & NX100 Controller: Axes: 6 Payload: 20 KG (44.09 lbs) Reach: 3106 MM (122.28 in) Repeatability: ±0.15mm (.005 in) Robot Mass: 495 KG (1091 lbs) Structure: Articulated Robot Motion Speed S-Axis: 170 °/s (2.97 rad/s) L-Axis: 170 °/s (2.97 rad/s) U-Axis: 170 °/s (2.97 rad/s) R-Axis: 335 °/s (5.85 rad/s) B-Axis: 335 °/s (5.85 rad/s) T-Axis: 510 °/s (8.90 rad/s) Robot Motion Range S-Axis: ±180° L-Axis: 135° - 90° U-Axis: 251° - 160° R-Axis: ±190° B-Axis: 230° - 50° T-Axis: ± 360° NX100 Controller: The NX100 controller can operate up to four HP.50.20 robots simultaneously. With multi-robot control capabilities, the NX100 controller reduces the cost of integration, prevents the risk of robot collisions, and minimizes the number of components for multiple robot configurations. Includes: Built in Ethernet Full Color Touch Screen Display Windows CE Operating System General Specifications for Miller Auto-Access 450 Input Power: 3 Phase Rated Welding Output: 400V Voltage Range: 10-44 Wire Feed Speed Range: 1.3-35.6 MPM (50-1400 IPM) Wire Diameter Range: 0.8-1.6mm (.030-062") Open Volt Circuit Voltage DC: 80 Amperes input at Rated Load Output 50/60 Hz, Three-Phase (400V): 27.9 (0-1A While Idling) Input (kVA): 19.46 (0.8 While Idling) Input (KW): 18.68 (0.17 for GMAW Welding) Welder Dimensions: 22-1/2" x 17-3/32" x 31" Welder Weight: 163 lbs