ROTTLER – Vertical CNC Honing Machine HP7A

Diameter range 57.1 – 244 mm
Stroke length 330 mm
Spindle speed Infinitely Variable
Spindle power 1.5 kW
External Measures 1524 x 1524 x 1930 mm
Weight 1045 kg


Greater control and efficiency

The new Rottler HP7A Cylinder Honing Machine employs the latest technology available for today’s engine builder. The bright, user friendly, full color 10″ (254mm) Windows Touch Screen Control makes honing faster, easier and more accurate than ever before. Rottler Manufacturing continues a lasting tradition of introducing state of the art machine shop equipment for the engine builder. Quality, service, and technical support is built into every Rottler machine.


  • Touch Screen Controls
  • Automatic Load Control
  • Pneumatic Lock
  • Automatic Plateau Finish Cycle
  • Linear Slideways
  • Bore Profile
  • Simple Stroke Setting
  • Two Stage Auto Cycle
  • Fast Setup
  • Stainless Steel Doors
  • Rugged Design, Solid Construction
  • Filtration System
  • Tooling for Tomorros Standards
  • Water Based Coolant
  • International Language


  • Diesel Rebuilder
  • Engine Rebuilding
  • Heavy Duty
  • Jobber Shop
  • Performance Racing
  • Remanufacturing
  • Small Engines
  • Vintage Engine Rebuilding


Rottler has been dedicated to the Engine Rebuilding industry since 1923 and has produced computer controlled machinery since the 1980s. We’ve used these years of experience combined with dedicated R&D and precision engineering to bring you the most advanced, easy to learn and operate touch screen controls available on the market today and into the future. This is the new standard in Diamond Honing.

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