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Small Engines Machinery

Rottler provides a selection of great machinery for Small Engines including Seat & Guide Equipment, Valve Refacers, Honing Machines, Automatic CNC or Manual Control Surfacers and Boring Bars

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HP6A Compare
Hone Diameter Capacity Optional Range2.25" - 9.6" Diameter
Maximum Length of Cylinder17"

The Rottler cylinder hone employs the latest technology available for today's engine builder. Hone perfect identical bores in the automatic cycle mode. The machine will straighten tapered an out of round bore conditions automatically(unattended).
  • Cylinder Honing
VR9 Compare
Base CabinetStandard
Valve Stem Diameter Range (with Standard Chuck)0.138"-0.630"
Valve Stem Length Range (with Standard Chuck)1.970"-10.250"
Valve Total Length Range2.750"-15.750"

Centerless Grinding Valve Refacing Machine
  • Valve Refacing
VR7 Compare
Base CabinetOptional
Valve Stem Diameter Range (with Standard Chuck)0.157"-0.551"
Valve Stem Length Range (with Standard Chuck)2.125"-10.250"
Valve Total Length Range3.500"-12.500"

Valve Refacing Machine with Linear Slideways
  • Valve Refacing
HP7A Compare
Hone Diameter Capacity Optional Range2.25" - 9.6" Diameter
Maximum Length of Cylinder18"

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.
  • Cylinder Honing
SG7 Compare
ControlAutomatic
Spindle - Diameter2.19"
Valve Seat Diameter Range0.550"-3.000"
Cylinder Head Dimensions (with 360 degree rollover fixture)31L x 9W x 6H

Rottler's SG Series are the most reliable Cylinder Head Seat & Guide Machines on the market today. The SG7 is our smallest and most economical model.
  • Seat & Guide Machining
F9A Compare
ControlAutomatic CNC
Table - Size50" x 21"
Bore Capacity (with Optional Cutterheads)1.5" - 5"
Spindle Travel (Vertical)13"
Workhead Travel (Horizontal)40"

The FA Boring Bars are the industry standard. Designed for all automotive blocks up to big block V8's and small diesel blocks, the F9A will produce accurate bores for a lifetime. This is the fastest, most powerful boring machine available.
  • Boring & Sleeving
  • Cylinder Boring
S7A Compare
Cutter Diameter14"
Cutter Travel (Horizontal)40"
Cutter Travel (Vertical)6"

The Rottler SA Surfacing machines are the answer to improved productivity and profit for automotive and diesel machine shops. The S7A model is the smaller of our two Automatic Surfacing Machines.
  • Block Surfacing
  • Cylinder Head Resurfacing
SG8M Compare
ControlAutomatic
Spindle - Diameter3.15"
Valve Seat Diameter Range0.550"-3.150"
Cylinder Head Dimensions (with 360 degree rollover fixture)44L x 16W x 7H

The SG8M is our mid-range manual machine between the SG7 and SG9 models. The SG8 is equipped to hold longer cylinder heads than the SG7 model.
  • Seat & Guide Machining
F10A Compare
ControlAutomatic CNC
Table - Size54" x 21"
Bore Capacity (with Optional Cutterheads)1.5" - 9"
Spindle Travel (Vertical)15"
Workhead Travel (Horizontal)50"

With all the capabilities of the F9A boring bar model this heavy-duty machine was designed for standard and large capacity machine work.
  • Boring & Sleeving
  • Cylinder Boring
S7M Compare
Cutter Diameter14"
Cutter Travel (Horizontal)40"
Cutter Travel (Vertical)6"

The Rottler SM models are a manual version of the SA model machines. They boast all the same features but utilize manual control rather than automatic. The S7M model is our largest Manual Surfacing Machine.
  • Block Surfacing
  • Cylinder Head Resurfacing
S7AD Compare
Cutter Diameter14"
Cutter Travel (Horizontal)40"
Cutter Travel (Vertical)6"

The SAD series is the most advanced CNC surfacing machine available today. The S7AD model is designed for the performance racing engine builder & production engine remanufacturer.
  • Block Surfacing
  • Cylinder Head Resurfacing
SG10A Compare
ControlAutomatic CNC
Spindle - Diameter3.15"
Valve Seat Diameter Range0.550"-3.150"
Cylinder Head Dimensions (with 360 degree rollover fixture)44L x 12W x 6H

The Rottler SG10A utilizes CNC Touch Screen controls and Rottler's ACTIVE SPINDLE for fast location of pilots into the valve guide and accurate centering.
  • Seat & Guide Machining
S8A Compare
Cutter Diameter16"
Cutter Travel (Horizontal)50"
Cutter Travel (Vertical)6"

The Rottler SA Surfacing machines are the answer to improved productivity and profit for automotive and diesel machine shops. The S8A model is our largest Automatic Surfacing Machine.
  • Block Surfacing
  • Cylinder Head Resurfacing
SG9M Compare
ControlManual
Spindle - Diameter3.15"
Valve Seat Diameter Range0.550"-3.150"
Cylinder Head Dimensions (with 360 degree rollover fixture)44L x 12W x 6H

The Rottler SG9M is a manual version of the SG9A model machine. It boasts all the same features minus CNC capabilities.
  • Seat & Guide Machining
S8M Compare
Cutter Diameter16"
Cutter Travel (Horizontal)50"
Cutter Travel (Vertical)6"

The Rottler SM models are a manual version of the SA model machines. They boast all the same features but utilize manual control rather than automatic. The S8M model is our largest Manual Surfacing Machine.
  • Block Surfacing
  • Cylinder Head Resurfacing
S8AD Compare
Cutter Diameter16"
Cutter Travel (Horizontal)50"
Cutter Travel (Vertical)6"

The SAD series is the most advanced CNC surfacing machine available today. The S8AD model is designed for surfacing large heavy duty diesel heads.
  • Block Surfacing
  • Cylinder Head Resurfacing

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