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MK-20 Gas Series Self-Propelled Concrete Saws

MK-20 Series of concrete saws combine innovation and engineering to produce one of the lightest, mid-size self-propelled concrete saws available. Key to the design is the featured box frame and channel that produces a rigid frame, which helps reduce sawing-induced vibrations. Engine weight is evenly distributed over the blade shaft for added stability and tracking. Depth control assembly is engineered for smooth, controlled blade insertion. One-year limited warranty.

  • One-piece box construction chassis made from 3/16" hot-rolled steel will not flex during operation
  • Powder-coated chassis resists peeling & corrosion
  • Cast-aluminum hinged blade guard
  • Stainless steel water distribution system supplies water to both sides of blade
  • Blade guard mounts on both left- or right-hand side of saw and cuts within 2" of wall or curb
  • Heavy-duty blade shaft supported by two 1-3/16", self-aligning pillow block bearings
  • Depth control assembly engineered for smooth, controlled blade insertion
  • Built-in tach/hour meter
  • Depth feed gauge indicator
  • Heavy-duty hydro static transmission with variable speed drive
  • Durable 8" x 2 1/4" non-slip rubber wheels with maintenance-free hubs & roller bearing
  • Forward travel speed: 0-80'/minute
  • One-year limited warranty
18" Blade Guard - Electric Start
Model Engine Weight Part #
2013HE Honda GX390 290 lbs. (132 kg) 155714
18" Blade Guard - Pull Start
Model Engine Weight Part #
2013HSP Honda GX390 290 lbs. (132 kg) 156499
20" Blade Guard - Electric Start
Model Engine Weight Part #
2020HSP* Honda GX630 392 lbs. (178 kg) 156498
2024HSP* Honda GX690 398 lbs. (181 kg) 158777
Blade not included with saw.
* Meets U.S EPA EVAP Standards
General Specifications
Arbor Size 1" (25mm)
Depth of Cut - 18" Blade 6-5/8"
Depth of Cut - 20" Blade 7-5/8"
Blade RPM - 18" Blade 3,400
Blade RPM - 20" Blade 2,850
Fuel Capacity 1.6 gallons
LxWxH (inches) 46" x 26" x 37"

* Engine power ratings are calculated by the individual engine manufacturer and the rating method may vary among engine manufacturers. MK Diamond Products makes no claim, representation or warranty as to the power rating of the engine on this equipment and disclaims any responsibility or liability of any kind whatsoever with respect to the accuracy or the engine power rating. Users are advised to consult the engine manufacturer’s owners manual and website for specific information regarding the engine power rating.

Warning IconWarning: This equipment contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. These chemicals are contained in various components. fluids and paint including but not limited to fuel, oil, electric motors and batteries. In addition, gasoline/diesel powered equipment emits engine exhaust and fumes, and when serviced, cleaned or maintained generate used oil, waste fluids, fumes, grease, grime and particulates from the component wear and silica dust which contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
Click on thumbnails for enlarged images.
MK-20 Series hinged blade guard Blade guard mounts on either left- or right-hand side of saw MK-20 Series control panel MK-20 Series drivetrain
Accessories Included with MK-20 Series Saws
Lifting Bail Lifting Bail

Tach/hour meterl Built-in tach/hour meter
Optional Accessories
Water Tank Kit Water Tank Kit

Recommended Blades
MK-505 Blade Cured Concrete MK-505

MK-615W Blade Asphalt over Concrete MK-615W

MK-710W Blade Asphalt MK-710W

MK-7501 Blade Professional Cured Concrete MK-7501