2021 Kohler Engine 5400 Series KS590

2021 Kohler Engine 5400 Series KS590

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Manufacturer Kohler Engine



Hey good news: We just created the 5400 Series — your new favorite mower engine. How? Well we started by creating an entirely new engine from the ground up. We gave you a crazy smooth ride by significantly reducing engine vibration and noise. And just for kicks, we made it super durable and powerful.

  • Smooth, Comfortable Ride — our Triple-Balance System™ creates an impossibly comfortable ride with less noise and vibration than ever before (Based on preliminary testing and compared to the KOHLER Courage engine)
  • Durable Design — built to last with commercial-grade components, 20,000+ hours of testing
  • No-Mess Oil Changes — inverted oil filter allow for mess-free, dripless oil changes
  • Hardcore Power — Consistent-Cut™ technology maintains engine speed in tough conditions
  • Reliable Starting — hot or cold, with Smart-Choke™ Technology you just turn the key and go
  • American Craftsmanship — Made in the USA of U.S. and global parts
  • Engine type: Four-Cycle
  • HP: 19 HP (14.2 kW)
  • Displacement: 33 cu. in. (541 cc)
  • Bore: 3.7 in. (94 mm)
  • Stroke: 3.1 in. (78 mm)
  • Gross Torque: 30.5 ft. lb. (41.4 Nm)
  • Compression Ratio: 8.8:1
  • Dry Weight: 75 lb. (34 kg)
  • Oil Capacity: 1.5 US qt.(1.4 L)
  • Lubrication: Pressure Lubrication with Full-Flow Filter
  • Dimensions LxWxH: 18 x 15.5 x 14.2 in.
  • Certified RPM: 3600
  • Emissions Compliance: CARB Phase III; EPA Phase III; EU Stage V
  • Engine Type: Consumer
Equipment Types
  • Residential Rider
  • Commercial Zero Turn Mower
  • Residential Zero Turn Mower
  • Commercial Wide Area Walk Behind Mower
Length is front of valve cover to back of blower housing. Width is side to side. Height is mounting surface to grass screen. Power (HP) and Torque (ft. lb.) specifications for Kohler general purpose engines are rated pursuant to Society of Automotive Engineers (SAE) J1940 based on gross output testing performed according to SAE J1995 without the air cleaner and muffler. Actual engine power and torque are lower and affected by accessories (air cleaner, exhaust, charging, cooling, fuel pump, etc.), application, engine speed, ambient operating conditions (temperature, humidity and altitude) and other factors. This J1940 / J1995 rating provides consistent measurement to customers who may want to control the intake and exhaust features of the engine. For more information, contact Kohler Co. Engine Engineering Department. Kohler Co. reserves the right to change product specifications, designs and standard equipment without notice and without incurring obligation. Backpressure Limit expressed in Inches of H20 @ 3600 RPM WOT J1995 power and torque certified by 3rd Party Witness
⚠ 65 WARNING ⚠
WARNING: This product contains chemicals know to the state of California to cause cancer and birth decects or other reproductive harm.
ADVERTENCIA: Este producto contiene productos quimicos reconocideos por el estado de California que provocan cancer, defectos de nacimiento u otros danos reproductivos.
For more information: www.p65warnings.ca.gov