Lawn-boy Model 680540 User Manual

Find the exact replacement part you need to fix your Lawn-Boy L21ZPM-680540 gas walk-behind mower here! Not only that but we have installation guides, diagrams and manuals to.

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21' (53 cm) Rear Wheel Drive Variable Speed Self-Propel (50-State)

Model 17732

  • ENGINE
    6.5 ft.-lbs. Gross Torque Kohler® XTX OHV
  • DRIVE SYSTEM
    Variable Speed RWD
  • STARTER
    Recoil
  • WARRANTY
    3-Year Tru-Start, 2-Year-Full
  • WEIGHT
    66 lbs (30 kg)

21' (53 cm) Rear Wheel Drive Self-Propelled with Electric Start (50-State)

Model 17734

  • ENGINE
    6.5 ft.-lbs. Gross Torque Kohler® XTX OHV
  • DRIVE SYSTEM
    Variable Speed RWD
  • STARTER
    Electric
  • WARRANTY
    3-Year Tru-Start, 2-Year-Full
  • WEIGHT
    75 lbs (34 kg)

21' (53 cm) Rear Wheel Drive Self-Propelled with Electric Start (50-State)

Model 17734

  • ENGINE
    6.5 ft.-lbs. Gross Torque Kohler® XTX OHV
  • DRIVE SYSTEM
    Variable Speed RWD
  • STARTER
    Electric
  • WEIGHT
    75 lbs (34 kg)

21' (53 cm) Variable Speed All-Wheel Drive Self-Propel (50-State)

Model 17739

  • ENGINE
    6.5 ft.-lbs. Gross Torque Kohler® XTX OHV
  • DRIVE SYSTEM
    Variable Speed AWD
  • STARTER
    Recoil
  • WARRANTY
    3-Year Tru-Start, 2-Year Full
  • WEIGHT
    78 lbs (35 kg)

21' (53 cm) High Wheel Push with Honda Engine (50-State)

Model 10736

  • ENGINE
    Honda® GCV 160 OHC
  • DRIVE SYSTEM
    Manual Push
  • STARTER
    Recoil
  • WARRANTY
    3-Year Tru-Start, 2-Year Full
  • WEIGHT
    62 lbs (28 kg)

21' (53 cm) High Wheel Push with Kohler Engine (50-State)

Model 17730

680540
  • ENGINE
    6.5 ft.-lbs. Gross Torque Kohler® XTX OHV
  • DRIVE SYSTEM
    Manual Push
  • STARTER
    Recoil
  • WARRANTY
    3-Year Tru-Start, 2-Year Full
  • WEIGHT
    62 lbs (28 kg)

Customer Reviews

Very easy to set up out of the box... in minutes was mowing yard. I would buy this again for my city yard.
Very easy to assemble. Love the fact that with a turn of the key, it starts every time. Very efficient. A must buy!!!
I'm in my 5th year with my 20', self-propelled... I am already looking forward to my next new Lawn-Boy! I can handle it... and it doesn't handle me!!.. I LOVE this mower.
I bought this to replace one I had trouble starting. This one is so easy. I assembled it myself (a 57 year old independent woman). Love my new mower!

Lawn-boy Model 680540 User Manual 2017

Only once in 50 years of grass cutting did I use another brand then Lawn-Boy. I will always use Lawn-Boy. I have even had one Lawn-Boy that ran well for over 20 years! That is one tough, durable, long lasting machine.
21' Lawn-Boy Line-up
The 21' steel deep dome deck is lightweight yet durable, and it provides excellent mulching capabilities and a superior quality of cut.

Lawn-boy Model 680540 User Manual Instructions

High Wheel Push (10730/17730)
The 11' high rear wheels assist you in tackling uneven or rough terrain with the powerful, reliable and easy to start Kohler engine.
Rear Wheel Drive Self-Propel (10732/17732)
Variable speed rear wheel drive provides improved traction and control in all mowing conditions.

Lawn-boy Model 680540 User Manual 2016

Electric Start (10734/17734)
Simply turn the key and you're ready to mow.

Lawn-boy Model 680540 User Manual Download

High Wheel Push (10736)
The 11' high rear wheels assist you in tackling uneven or rough terrain with the quiet, lightweight and reliable power of the Honda GCV160 OHC engine.
AWD Lawn-Boy Mower (10739/17739)
Lawn-Boy's all wheel drive lawn mower makes mowing slopes and hills easy. All 4 wheels are engaged and giving you great traction in tough mowing conditions.