Simplicity 1691339, 1692521, 1692454, 1690986, 1692456 User Manual

Specifications and Main Features

  • Engine:
  • Manufacturer: Kohler Command OHV / Briggs & Stratton Vanguard
  • Horsepower Rating: 18 HP / 20 HP @ 3600 rpm
  • Number of Cylinders: 2
  • Bore: 3.03 In. (77 mm) / 2.83 In. (72 mm)
  • Stroke: 2.64 In. (67 mm) / 2.75 In. (70 mm)
  • Displacement: 38 Cu. In. (624 cc) / 34.75 Cu. In. (570 cc)
  • Ignition Type: Electronic Ignition
  • Fuel tank Capacity: 4.2 Gallons
  • Transmission:
  • Type of: Hydrostatic
  • Type of Pump: Variable Displacement Axial Type
  • Type of Motor: Fixed Displacement Reversible Axial Type Circular
  • Control: Dampened Single Lever
  • Type of Differential: Planetary Bevel Gear
  • Speed of: Continuously Variable Forward & Reverse
  • Capacity: 6 Qt. (5.7 L)
  • Chassis Overall Dimensions:
  • L = Overall length: 78 In. Length
  • W = Overall wide: 38-1/4 In. Width
  • overall height 47 in ( top of the steering wheel)
  • Wheelbase: 51 In. Length
  • Weight:
  • 18 HP Model: 825 lbs.
  • 20 HP Model: 873 lbs.
  • Controls:
  • Steering: Full Circle Steering Wheel / Hydrostatic Power Steering
  • Brake: Drum Brake with Parking Brake Lock
  • Ignition: Dash Mounted Key
  • Light and Throttle Control: Dash Mounted
  • Deck Specifications:
  • Mower Deck Types: 48" / 60" Mower Deck
  • Mower Lift: Hydraulic
  • Maintenance Items:
  • Oil Filter, Transmission Fluid, Battery maintenance

Frequently Asked Questions

  • Q: What type of oil should I use for the engine?
  • A: For cold weather, oil SG should be SAE 5W-30 SE/CD and warm weather oil should be SAE 30W SG/CC.
  • Q: How do I engage the PTO?
  • A: To engage PTO, pull the switch upwards and to disengage it, push it down.
  • Q: What is the maximum slope I can operate on?
  • A: Do not operate on slopes greater than 30 percent (16.7°) angles.
  • How can I check the fuel level
  • A: The fuel gauge is on the dash for 20 HP Models and is mounted on the fuel cap for 18 HP Models.

-My engine does not seem to start. How should I troubleshoot this issue? – In this case, begin by ensuring that the ground speed control lever is set to neutral, the PTO switch is turned OFF whilst also checking if the fuel in the tank is optimal.-

-Simplity Parts in my area seems to be missing. What do I do? – In case parts are not available in your area, consult with a local authorized Simplicity dealer in order to procure similar parts.-

User Manual

Simplicity 1691339, 1692521, 1692454, 1690986, 1692456 User Manual
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