Model # 17739

Internet #206509273

Store SKU #1001678898

Lawn-Boy 21 in. Variable Speed All-Wheel Drive Gas Walk Behind Self Propelled Lawn Mower
0021038177397

Lawn-Boy

21 in. Variable Speed All-Wheel Drive Gas Walk Behind Self Propelled Lawn Mower

  • Superior traction and easy maneuverability for all terrains
  • 21 in. steel deck with Tri-Cut cutting system
  • 6.5 ft.-lb. Gross Torque Kohler XTX OHV Engine
$ 299 00 /each
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Frequently Bought Together

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Product Overview

  • Superior traction and easy maneuverability for all terrains
  • 21 in. steel deck with Tri-Cut cutting system
  • 6.5 ft.-lb. Gross Torque Kohler XTX OHV Engine
The Lawn-Boy 21 in. Self-Propelled Variable Speed All-Wheel Drive Gas Lawn Mower is functional, budget friendly and easy to use. It includes an all wheel drive system that helps you maintain excellent traction and maneuverability. The mower is lightweight and durable with a tri-cut system, providing you with excellent mulching capabilities. The mower includes a large bag that easily catches all of your grass clippings.
  • All-wheel drive provides superior traction and low effort maneuverability
  • 21 in. steel deep dome deck is lightweight yet durable
  • Kohler XTX 6.5 ft. lb. gross torque 149cc OHV engine with no oil change required (CARB compliant)
  • 2-point height-of-cut system allows you to quickly adjust the cutting height from one side of the mower
  • Larger bag capacity allows you to hold more clippings; thereby allowing you to empty the bag faster and less often
  • 8 in. wheels provide solid traction to maneuver around all types of terrain
  • Includes a 3-in-1 system: mulch, bag and side-discharge (optional)-see owner's manual)
  • 21 in. steel deck with tri-cut blade
  • Lawn-Boy 2-year complete coverage warranty allows you to buy with confidence-ask your retailer for details
  • Gross torque of this engine was laboratory rated at 2800 RPM per SAE J1940 by the engine manufacturer, as configured to meet safety, emission and operating requirements; the actual engine torque on this class of mower will be significantly lower
  • Actual products offered may vary
  • Use fuel stabilizers to maintain your engine and increase the longevity of your mower
  • Note: Actual Product offers may vary
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Superior traction and easy maneuverability for all terrains
  • 21 in. steel deck with Tri-Cut cutting system
  • 6.5 ft.-lb. Gross Torque Kohler XTX OHV Engine
Model #: 17739
Sku #: 1001678898
Internet #: 206509273

The Lawn-Boy 21 in. Self-Propelled Variable Speed All-Wheel Drive Gas Lawn Mower is functional, budget friendly and easy to use. It includes an all wheel drive system that helps you maintain excellent traction and maneuverability. The mower is lightweight and durable with a tri-cut system, providing you with excellent mulching capabilities. The mower includes a large bag that easily catches all of your grass clippings.

  • All-wheel drive provides superior traction and low effort maneuverability
  • 21 in. steel deep dome deck is lightweight yet durable
  • Kohler XTX 6.5 ft. lb. gross torque 149cc OHV engine with no oil change required (CARB compliant)
  • 2-point height-of-cut system allows you to quickly adjust the cutting height from one side of the mower
  • Larger bag capacity allows you to hold more clippings; thereby allowing you to empty the bag faster and less often
  • 8 in. wheels provide solid traction to maneuver around all types of terrain
  • Includes a 3-in-1 system: mulch, bag and side-discharge (optional)-see owner's manual)
  • 21 in. steel deck with tri-cut blade
  • Lawn-Boy 2-year complete coverage warranty allows you to buy with confidence-ask your retailer for details
  • Gross torque of this engine was laboratory rated at 2800 RPM per SAE J1940 by the engine manufacturer, as configured to meet safety, emission and operating requirements; the actual engine torque on this class of mower will be significantly lower
  • Actual products offered may vary
  • Use fuel stabilizers to maintain your engine and increase the longevity of your mower
  • Note: Actual Product offers may vary
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

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Name 21 in. Variable Speed All-Wheel Drive Gas Walk Behind Self Propelled Lawn Mower 22 in. Kohler Low Wheel Variable Speed Gas Walk Behind Self Propelled Lawn Mower 22 in. Kohler High Wheel Variable Speed Gas Walk Behind Self Propelled Lawn Mower 21 in. Electric Start Gas Walk Behind Self Propelled Lawn Mower with Kohler Engine
Brand Lawn-Boy Toro Toro Lawn-Boy
Ratings (449) (1611) (4060) (511)
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Specifications

Dimensions

Assembled Depth (in.)
57.2 in
Assembled Height (in.)
37.7 in
Assembled Width (in.)
22.3 in
Blade Length (in.)
20.9
Cutting Width
21 inches
Front Wheel Size (in.)
7
Mower Deck Width
21 in
Rear Wheel Size (in.)
8

Details

Assembly Required
Yes
CA (CARB) Compliant
CARB Compliant
Cutting Height Options
6-position
Cutting Options
Bag,Mulch,Side-Discharge
Deck Material
14 Gauge Steel
Deck Type
Stamped
Drive Type
4 Wheel Drive
Engine Displacement (cc)
149
Engine Make
Kohler
Engine Torque (ft.-lb.)
6.5
Features
Adjustable Handlebar,Bagger,Mulching Lawn Mower,No Oil Change Required,Tool-free adjustments
Fuel Tank Capacity (gallons)
.25
Included
Bagger,Engine oil
Lawn Mower Type
Self-Propelled Lawn Mower
Maximum Cutting Height (in.)
3.75
Minimum Cutting Height (in.)
1.25
Mower Size Type
Standard
Number of Blades
1
Number of Handlebar Positions
2
Oil Capacity (oz.)
18
Power Type
Gas
Product Weight (lb.)
78lb
Rear Wheel Height
Low Wheel
Recommended Oil Type
SAE 30
Recommended Terrain
Flat,Sloped
Refurbished
No
Returnable
30-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull Cord
Walk Behind Mower Type
Self Propelled

Warranty / Certifications

Manufacturer Warranty
2-Year Full Warrant, 3-Year Tru-Start Commitment

Specifications

Dimensions

Assembled Depth (in.)
57.2 in
Assembled Height (in.)
37.7 in
Assembled Width (in.)
22.3 in
Blade Length (in.)
20.9
Cutting Width
21 inches
Front Wheel Size (in.)
7
Mower Deck Width
21 in
Rear Wheel Size (in.)
8

Details

Assembly Required
Yes
CA (CARB) Compliant
CARB Compliant
Cutting Height Options
6-position
Cutting Options
Bag,Mulch,Side-Discharge
Deck Material
14 Gauge Steel
Deck Type
Stamped
Drive Type
4 Wheel Drive
Engine Displacement (cc)
149
Engine Make
Kohler
Engine Torque (ft.-lb.)
6.5
Features
Adjustable Handlebar,Bagger,Mulching Lawn Mower,No Oil Change Required,Tool-free adjustments
Fuel Tank Capacity (gallons)
.25
Included
Bagger,Engine oil
Lawn Mower Type
Self-Propelled Lawn Mower
Maximum Cutting Height (in.)
3.75
Minimum Cutting Height (in.)
1.25
Mower Size Type
Standard
Number of Blades
1
Number of Handlebar Positions
2
Oil Capacity (oz.)
18
Power Type
Gas
Product Weight (lb.)
78lb
Rear Wheel Height
Low Wheel
Recommended Oil Type
SAE 30
Recommended Terrain
Flat,Sloped
Refurbished
No
Returnable
30-Day
Size of Yard
1/4 - 1/2 Acre
Start Type
Pull Cord
Walk Behind Mower Type
Self Propelled

Warranty / Certifications

Manufacturer Warranty
2-Year Full Warrant, 3-Year Tru-Start Commitment

Questions & Answers

does this mower need to be primed

does this mower need to be primed
Asked by: marilynn
No this mower has an automatic choke
Answered by: HEIMY
Date published: 2018-08-29

What are the tires made of rubber or plastic ?

What are the tires made of rubber or plastic ?
Asked by: Jim
Thank you for your question. They are a PVC plastic.
Answered by: Lawn-Boy
Date published: 2018-04-26

I dont understand what a no oil change motor is?

Asked by: Deano
Having worked on gas engines of all sorts since the age of 15 now about 60. Always change at least once a year air filter every season. Dirty oil with sand and other particulates will destroy engine over time don't change last 3-5 years change oil last 15 years or longer Simp-ly think about getting a rub down on the beah while covered with Abby oil quite painful liquid sandpaper better to err on the side of caution unless you sell lawnmowers lol
Answered by: Turboswamper
Date published: 2018-11-17

I bought this mower last year to cut a steep hill behind our house. It cuts great, but when I us...

I bought this mower last year to cut a steep hill behind our house. It cuts great, but when I use it for trim up work where I need to pull it, the wheel lock and I end up dragging it. Is there a secret to having the wheels unlock when you pull it backwards?
Asked by: lmtodd
Adjust the traction cables 1/4 inch at a time until they don't lock . Same issue with mine until I did this . I've used mine less than a dozen times on a small yard and my front drive has already died on me . The warranty is only 90 days on drive and belts / cables . So much for 2 year "worry free" warranty thats printed on the box ................
Answered by: SC
Date published: 2018-10-30
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Customer Reviews

21 in. Variable Speed All-Wheel Drive Gas Walk Behind Self Propelled Lawn Mower is rated 4.0 out of 5 by 449.
Rated 1 out of 5 by from Self propelled wires broke off after 2 months., ... Self propelled wires broke off after 2 months., awful
Date published: 2018-11-27
Rated 5 out of 5 by from Easy to set up and runs very well... Easy to set up and runs very well
Date published: 2018-11-20
Rated 5 out of 5 by from Very impressed with this mower. Easy to set up, clear... Very impressed with this mower. Easy to set up, clear instructions for adding oil, gas, handles & winterizing for winter. Mowed extremely well on an uneven yard & lakeside hill.
Date published: 2018-11-07
Rated 5 out of 5 by from Excellent lawn mower... Excellent lawn mower
Date published: 2018-11-06
Rated 4 out of 5 by from easy to assemble and happy with power ... easy to assemble and happy with power
Date published: 2018-11-06
Rated 5 out of 5 by from Mower starts with one pull and has done an excellent... Mower starts with one pull and has done an excellent job of both bagging and mulching leaves this fall. Speed adjustment is a little hokey but, once set, works fine.
Date published: 2018-11-06
Rated 1 out of 5 by from Used about 3 x then failed to start... Used about 3 x then failed to start
Date published: 2018-10-25
Rated 5 out of 5 by from Great mower. Starting is ridiculously easy. No effort at all and they. This is my second Lawn-Boy... Great mower. Starting is ridiculously easy. No effort at all and they. This is my second Lawn-Boy by far the best Mower on the market.
Date published: 2018-10-25
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