Genuine Toro OEM 133-8181-03 20 Inch Atomic Blade BLADE-20IN [Black]-1
Genuine Toro OEM 133-8181-03 20 Inch Atomic Blade BLADE-20IN [Black]-2
Genuine Toro OEM 133-8181-03 20 Inch Atomic Blade BLADE-20IN [Black]-3

Genuine Toro OEM 133-8181-03 20 Inch Atomic Blade BLADE-20IN [Black]

Toro SKU: TOR-133-8181-03-X1-SHP

$21.20 $24.99 Save $3.79

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Compatibility Check

Model Fitment

Use the fitment details below to confirm compatibility before ordering.
Compatible Models 
MODEL: 10603 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10604 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10605 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10606 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10607 — 20in Mulching/Rear Bagging Lawn Mower
- 2012: 312000001 - 312999999

MODEL: 10623 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10624 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 10625 — 20in Mulching/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999

MODEL: 10627 — 20in Mulching/Rear Bagging Lawn Mower
- 2012: 312000001 - 312999999

MODEL: 10630 — 20in Mulching/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999

MODEL: 10632 — 20in Mulching/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999

MODEL: 10634 — 20in Mulching/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999
- 2014: 314000001 - 314999999

MODEL: 10640 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10640C — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10641 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10641C — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10642 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10642C — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10643C — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999

MODEL: 10644C — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10645 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10646 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10647 — 20in Mulching/Rear Bagging Lawn Mower
- 2009: 290000001 - 290999999
- 2010: 310000001 - 310999999

MODEL: 10648C — 20in Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999

MODEL: 10649C — 20in Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999

MODEL: 10650C — 20in Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999

MODEL: 10658 — 20in Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999

MODEL: 20314 — 20in Recycling/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999

MODEL: 20316 — 20in Recycler/Rear Bagging Lawn Mower
- 2011: 311000001 - 311999999

MODEL: 20318 — 20in Recycler/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999

MODEL: 20319 — 20in Recycler/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999
- 2014: 314000001 - 314999999
- 2015: 315000001 - 315999999
- 2016: 316000001 - 316999999
- 2017: 400000000 - 999999999

MODEL: 20323 — 20-inch Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 29639 — 50cm Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999
- 2013: 313000001 - 313999999
- 2014: 314000001 - 314999999
- 2015: 315000001 - 315999999
- 2016: 316000001 - 316999999

MODEL: 29641 — 50cm Mulching/Rear Bagging/Side Discharge Lawn Mower
- 2009: 290000001 - 290999999

MODEL: 29642 — 50cm Mulching/Rear Bagging Lawn Mower
- 2010: 310000001 - 310999999
- 2011: 311000001 - 311999999
- 2012: 312000001 - 312999999

MODEL: 29643 — 50cm Mulching/Side Discharge/Rear Bagging Lawn Mower
- 2013: 313000001 - 313999999
- 2014: 314000001 - 314999999

MODEL: 29645 — 50cm Mulching/Rear Bagging/Side Discharge Lawn Mower
- 2014: 314000001 - 314999999
- 2015: 315000001 - 315999999
- 2016: 316000001 - 316999999
Series Fits 
20in Mulching/Rear Bagging Lawn Mower
Years: 2009-2014
Models: 10603, 10604, 10605, 10606, 10607, 10623, 10624, 10625, 10627, 10630, 10632, 10634, 10640, 10640C, 10641, 10641C, 10642, 10642C, 10643C, 10644C, 10645, 10646, +5 more

20in Recycler/Rear Bagging Lawn Mower
Years: 2011-2017
Models: 20316, 20318, 20319

50cm Mulching/Rear Bagging Lawn Mower
Years: 2010-2016
Models: 29639, 29642

50cm Mulching/Rear Bagging/Side Discharge Lawn Mower
Years: 2009, 2014, 2015, 2016
Models: 29641, 29645

20-inch Mulching/Rear Bagging Lawn Mower
Years: 2010, 2011, 2012
Models: 20323

20in Recycling/Rear Bagging Lawn Mower
Years: 2011
Models: 20314

50cm Mulching/Side Discharge/Rear Bagging Lawn Mower
Years: 2013, 2014
Models: 29643
Cross References 
Active Toro part number
133-8181-03, Parts

Cross-referenced Toro part numbers
112-8841-03
Cross-reference data is provided to help identify superseded or related part numbers.

20 Inch Atomic Blade

  • Toro 20 Inch OEM Atomic blade. The Toro Atomic blade is commonly referenced as a “Gator Style” or “Gator Blade”. Provides the best quality of cut while mulching. This Toro blade has multiple applications. Be sure to verify model and serial number to ensure the correct part.
  • Designed for responsive engagement and reliable performance as a 20 inch atomic blade.
  • OEM quality ensures consistent performance and precise compatibility with your equipment.
  • Durable construction built to withstand demanding operational conditions.
  • Will help produce a crisp quality cut
  • This blade is sold individually
  • To best protect your investment and maintain optimal performance of your equipment, count on Toro genuine parts
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