Kohler SV601-3203 20 HP Zero Turn Lawn Mower Engine

In stock
Delivery Cost: $125.00
With its innovative twin-cam design, the KOHLER Courage® single-cylinder engine delivers more horsepower and greater displacement than any engine in its class.
Standard Delivery
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Engine Type:

4-cycle, gasoline, OHV, single-cylinder, air-cooled, vertical shaft, full pressure lubrication with full-flow filter, aluminum head and crankcase with cast iron cylinder liner.

Courage SV610
Max Power @3600 RPM hp (kW) 1 20 (15.7)
Displacement cu in (cc) 36.4 (597)
Bore in (mm) 3.7 (94)
Stroke in (mm) 3.4 (86)
Peak Torque @ Maximum lbs ft (Nm) 38.1 (51.6)
Compression Ratio 8.5:1
Dry Weight lbs (kg) 79 (35.8)
Oil Capacity U.S. quarts (L) 1.6 (1.5)
Lubrication Full pressure w/full-flow filter
Dimensions L x W x H in 19.3 x 16.5 x 12.9
Backpressure Limit 2 50
J1995 Power 3 18.8

Shaft Type: Vertical

Shaft Width: 1"

Shaft Length: 3.16"


Equipment Types

This engine powers the following equipment:

  • Garden Tractor
  • Rear Engine Rider
  • Lawn Tractor
  • Yard Tractor
  • Mower, Zero Turn Radius
  • Portable Generator


More Information
MPN SV610-3211
Manufacturer Kohler Engines
Engine Size 20hp
Engine Type 4-Stroke
Shaft Position Vertical
# of Cylinders 1
Shaft Width 1"
Shaft Length 3.16"
Shaft Width 1"
Shaft Length 3-1/4''
Engine Cooling Air
Warranty 2 Year Limited Warranty
Shipping Options Standard Delivery
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  1. Will the SV601- 3203 ... replace the Kohler SV600 - 0221...on my zt Troy bilt colt .. model number ..SV600S...?

    1. Tammy Strong

      2021-10-29 21:42:24

      The replacement for your spec, is showing no longer available, thank you.

  2. how much does this engine weigh.

    1. Tammy Strong

      2018-06-08 00:53:39

      The Kohler engine weighs 80 lbs.

  3. how much horse power?

    1. Tammy Strong

      2018-04-17 19:57:43

      There is around 18 or 19 horse power in this engine.

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