2. Parts
  3. Model 10640 - Serial 290000001 - 290999999

20in Mulching/Rear Bagging Lawn Mower

Product Information

  • Model #: 10640
  • Serial #: 290000001 - 290999999
  • Product Type: Walk Behind Mowers

  • Model #: 117-4160
    Rear-Discharge Deflector, 2009 and After 20in Steel Deck Mower
  • Model #: 117-5929
    LOOSE PARTS KIT-
  • Model #: 215326
    Lawn-Boy Walk Mower Cover
  • Model #: 490-7463
    Plain Walk Mower Cover
  • Model #: 89701
    Replacement Bag, 2009 and After 20in Steel Deck Lawnmowers
  • Model #: 89702
    Replacement Bag and Frame Kit, 2009 and After 20in Steel Deck Lawnmowe
  • Model #: 89963
    20in Replacement Blade
  • Model #: 89964
    Rear-Discharge Deflector, 2009 and After 20in Steel Deck Mower

  • Model #
    10640
  • Serial #
    290000001 - 290999999
  • Product Name
    20in Mulching/Rear Bagging Lawn Mower
  • Product Brand
    Lawnboy
  • Product Type
    Walk Behind Mowers
  • Product Series
    20" Steel Deck
  • Chassis Type
    Steel Deck WPM
  • Swath
    20 inch
  • Discharge
    Mulcher & Rear Bagger
  • Engine/Motor Manufacturer
    Briggs & Stratton
  • Engine/Motor Size
    GrossTorque 6.5f/lb
  • Engine/Motor Type
    4 Cycle EPA2
  • Engine Starter
    Recoil
  • Transmission Type
    Hand Push

  • Engine: Engine Speed
    3100±100 RPM
  • Engine: Ignition Coil Air Gap
    .010" / .25mm
  • Engine: Spark Plug
    Champion RJ19LM
  • Engine: Spark Plug Gap
    .030"/ .76mm
  • Engine: Engine Oil Type
    20 oz. (.6l) 30w / API SH or higher
  • Chassis: Height of Cut Range
    1" - 4" (2.5-10 cm)