Specifications Print Specs
Model: GD-20CNC
Stock #: 25520
  • Fanuc 18-M Control
  • 1.25" Hob Arbor
  • Tailstock
  • Hydraulic Work Clamping
  • Auto Door
  • Coolant System
  • Chip Conveyor
  • Chiller
  • Hydraulic System
Machine Specifications
Maximum Workpiece Diameter
Maximum Diametral Pitch
Axial Travel
Maximum Hob Diameter
Hob Speed
1,200 RPM
Control Manufacturer


  • Maximum Workpiece Diameter: 7.9"
  • Minimum Work Hobbing (Diametric Pitch): 6.35 DP
  • Axial Travel: 9.5 Inch
  • Hob Spindle To Work Spindle C/L: 0.6 - 6.7 Inch
  • Maximum Hob Diameter: 5"
  • Maximum Hob Length: 9"
  • Maximum Hob Shift Length: 5.11"
  • Hob Head Turn Angle: + 45 degree
  • Hob Rotary Speed: 150 - 1200 RPM
  • Maximum Table Rotary Speed: 150 RPM
  • Axial Cutting Feed: 0.4 - 15.78 IPM, 1 - 400 mm/min
  • Axial Rapid Traverse: 393.7 IPM / 10000 mm/min
  • Radial Hobbing Feed: 0.039 - 39.4 IPM / 1 - 1000 mm/min
  • Radial Rapid Feed: 393.7 IPM / 10000 mm/min
  • Indexing Tooth Number: 4 - 1000
  • Main Motor (Continuous Rating): 7.5 KW / 10 HP

Print Specs

Browse by Type

Cylindrical Gear Machinery

Cylindrical gear machinery is the backbone of many gear manufacturing operations. Explore our high-quality, pre-owned cylindrical gear machinery below.

Gear Accessories and Tooling

Keep your gear production running smoothly with Gibb Machinery's extensive inventory of used gear accessories and tooling. From essential components like cutter heads and change gears to index plates and cams, we have everything you need to perfect your gear manufacturing process.

Bevel Gear Machinery

Gibb Machinery provides a comprehensive selection of pre-owned bevel gear machinery, including generators, grinders, lappers, and testers, to make sure your bevel gears run smoothly.



CNC Machining Centers

With their precision and versatility, CNC machining centers are the workhorses of modern manufacturing. We carry a wide range of vertical and horizontal machining centers to suit your specific production needs.


CNC Lathes

Need high-precision turning capabilities for your CNC projects? We provide vertical and horizontal CNC lathes for sale to handle your specific machining requirements.


Auto Production Machinery

The heart of any vehicle lies in its engine. Dive into our used machinery specifically designed for automotive and truck production. We have the tools you need to manufacture high-quality engine components.




Grinding machines are essential for achieving a precise finish on metal components. Explore our selection of pre-owned grinders, from cylindrical grinders to surface grinders.



Beyond our core machinery offerings, Gibb Machinery is your one-stop shop for a range of pre-owned equipment. This includes saws, presses, gun drills, and more.