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2 Sets Standard Pistons with Rings Compatible with Kohler CH18, CH20 CH22 CV18 CV20 CV22, CH620, CH630, CH640, CH641, CV625 77mm Bore, 25-874-46-S Two Day Standard Shipping to All 50 States!

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$169.95

$ 78 .99 $78.99

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About this item

  • Quality Reproduction from Lil Red Barn not made in China or Taiwan
  • Be Sure To Verify Your Engine Has A 77mm Bore Before Ordering
  • Integrated oil coolers extend oil-change intervals and maintain low temperatures during the entire power range
  • High-efficiency, heavy-duty air filters provide protection from debris and ensure longer service intervals
  • Extra-large sleeve bearings support heavy loads in commercial and industrial environments


This engine powers the following equipment Wood Chipper Wide-Area Walk-Behind Zero-Turn Mower Stump Grinder Riding Mower Pump Light Tower Generator Floor Buffer Curber Concrete Trowel Concrete Saw Blower Welder Engine type 4-cycle, gasoline, OHV, cast iron cylinder liners, aluminum block Model Command PRO CH621/CH18 HP (kW) 1 19(14.2) Displacement (cc) 39.1 (624) Bore in (mm) 3 (77) Stroke in (mm) 2.6 (67) Gross Torque ft lbs (Nm) 1 32.2 (43.6) Compression Ratio 8.5:1 Dry Weight lbs (kg) 90 (41) Oil Capacity US qts (L) 2 (1.9) Lubrication Full pressure w/full-flow filter Dimensions LxWxH (in)* 14 x 17.7 x 19 Backpressure Limit 2 50 Certified Power HP (kW) 3 18.6 (14) Certified RPM 3600 Emissions Compliance Engine Type Commercial