Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black-1
Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black-2
Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black-3
Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black-4
Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black-5

Genuine Toro OEM 137-1999-03 21.6 Inch Medium Flow Recycling Blade, Black

Toro SKU: TOR-137-1999-03-X1-SHP Barcode: 021038638836

$23.60 $27.99 Save $4.39

Pack Size: 1-Pack

In stock!
Compatibility Check

Model Fitment

Use the fitment details below to confirm compatibility before ordering.
Compatible Models 
MODEL: 42100 — Quest
- 2018: 402082300 - 404314158

MODEL: 42200 — Quest
- 2021: 408644346 - 411294211
- 2022: 411294212 - 413950473
- 2023: 413950474 - 416150474
- 2024: 416150475 - 999999999
- 2025: 417930746 - 420130746
- 2026: 420130747 - 999999999

MODEL: 74705 — TimeCutter SS 4200 Riding Mower
- Early Model: 403320567 - 404313999
- 2018: 400000000 - 403320566
- 2019: 404314000 - 999999999

MODEL: 74706 — TimeCutter SS 4225 Riding Mower
- 2018: 400000000 - 404314199
- 2019: 404314200 - 999999999

MODEL: 74711 — TimeCutter SS 4200 Riding Mower
- Early Model: 403045174 - 404314199
- 2018: 400000000 - 403045173
- 2019: 404314200 - 999999999

MODEL: 74726 — TimeCutter SS 4225 Riding Mower
- Early Model: 402491339 - 404314199
- 2018: 400000000 - 402491338
- 2019: 404314200 - 999999999

MODEL: 74726TA — TimeCutter SS 4225 Riding Mower
- 2019: 400000000 - 999999999

MODEL: 74788 — TimeCutter SW 4200 Riding Mower
- Early Model: 402262335 - 999999999
- 2018: 400000000 - 402262334

MODEL: 75740 — TimeCutter 4200 Riding Mower
- 2020: 400000000 - 407699999
- 2020-2021: 407700000 - 409431743
- 2021: 409431744 - 410899999
- 2022: 410900000 - 412193899

MODEL: 75741 — TimeCutter 4200C Riding Mower
- 2020: 400000000 - 407499999
- 2021: 407500000 - 408939999
- 2021: 408940000 - 409999999
- 2022: 410000000 - 411779999
- 2023: 411780000 - 414299999
- 2023: 414300000 - 999999999

MODEL: 75742 — TimeCutter 4225 Riding Mower
- 2020: 400000000 - 407699999
- 2020-2021: 407700000 - 409479545
- 2021: 409479546 - 410999999
- 2022: 411000000 - 412299999

MODEL: 75742TA — TimeCutter 4225 Riding Mower
- 2020: 400000000 - 407499999
- 2021: 407500000 - 409349999
- 2021: 409350000 - 409999999
- 2021-2022: 410000000 - 411599999

MODEL: 75742W — TimeCutter 4225 Riding Mower
- Early Model: 410000000 - 411299999
- 2020: 400000000 - 407199999
- 2021: 407200000 - 409999999

MODEL: 75743 — TimeCutter 4275C Riding Mower
- 2020: 400000000 - 406708273
- 2020: 406708274 - 407186683
- 2020: 407186684 - 407699999
- 2021: 407700000 - 409329999
- 2021: 409330000 - 410199999
- 2022: 410200000 - 412999999
- 2023: 413000000 - 414399999
- 2023-2024: 414400000 - 999999999

MODEL: 75744 — TimeCutter 4225 Riding Mower
- 2020: 400000000 - 406959521
- 2020: 406959522 - 407799999

MODEL: 75745 — TimeCutter MX 4275 Riding Mower
- 2020: 400000000 - 406709999
- 2020: 406710000 - 406954065
- 2020: 406954066 - 407699999

MODEL: 75745TA — TimeCutter MX 4275 Riding Mower
- 2020: 400000000 - 407529999
- 2020-2021: 407530000 - 409349999
- 2021: 409350000 - 410999999
- 2022: 411000000 - 411699999

MODEL: 75745W — TimeCutter MX 4275 Riding Mower
- 2020: 400000000 - 407199999

MODEL: 75746 — TimeCutter 42in Riding Mower
- 2021: 400000000 - 410999999
- 2022: 411000000 - 412517453
- 2022: 412517454 - 412689999
- 2023: 412690000 - 414645337
- 2023: 414645338 - 999999999

MODEL: 75746TA — TimeCutter 42in Riding Mower
- 2021: 400000000 - 410039999
- 2022: 410040000 - 411599999
- 2022: 411600000 - 412399999
- 2022: 412400000 - 412599999
- 2022-2023: 412600000 - 999999999

MODEL: 75747 — TimeCutter MyRIDE 42in Riding Mower
- 2021: 400000000 - 410999999
- 2022: 411000000 - 412499999
- 2022: 412500000 - 412599999
- 2023: 412600000 - 414376481
- 2023: 414376482 - 415299999
- 2024: 415300000 - 416999999
- 2024-2025: 417000000 - 418178349
- 2025-2026: 418178350 - 420499999
- 2026: 420500000 - 999999999

MODEL: 75747W — TimeCutter MyRIDE 42in Riding Mower
- 2021: 400000000 - 409999999
- 2022: 410000000 - 412089999
- 2023: 412090000 - 419999999

MODEL: 75748 — TimeCutter 42in Riding Mower
- 2022: 400000000 - 412489369
- 2022: 412489370 - 412569999
- 2023: 412570000 - 414128799
- 2023: 414128800 - 414399999
- 2023: 414400000 - 414999999
- 2023-2025: 415000000 - 419999999
- 2026: 420000000 - 420431950
- 2026: 420431951 - 999999999

MODEL: 75749 — TimeCutter 42in Riding Mower
- 2022: 400000000 - 412599999

MODEL: 75752TA — TimeCutter 42in Riding Mower
- 2022: 400000000 - 412489999
- 2022: 412490000 - 412699999
- 2023: 412700000 - 414079999
- 2023: 414080000 - 999999999

MODEL: 75758TA — TimeCutter MyRIDE 42in Riding Mower
- 2022: 400000000 - 412399999
- 2022: 412400000 - 412599999
- 2023: 412600000 - 419999999

MODEL: 75766TA — TimeCutter 42in Riding Mower
- 2024-2025: 400000000 - 419999999
- 2026: 420000000 - 420448269
- 2026: 420448270 - 999999999

MODEL: 75768TA — TimeCutter MyRIDE 42in Riding Mower
- 2026: 400000000 - 420599999
- 2026: 420600000 - 999999999

MODEL: 77401 — TimeCutter 42in Riding Mower
- 2022: 400000000 - 412999999
- 2023: 413000000 - 415199999
- 2024-2025: 415200000 - 418160273
- 2025: 418160274 - 418999999
- 2026: 419000000 - 420299999
- 2026: 420300000 - 420304153
- 2026: 420304154 - 420549999
- 2026: 420550000 - 999999999

MODEL: 77404 — TimeCutter 42in Riding Mower
- 2024-2025: 400000000 - 417999999
- 2025-2026: 418000000 - 420301999
- 2026: 420302000 - 420399999
- 2026: 420400000 - 420450236
- 2026: 420450237 - 420619999
- 2026: 420620000 - 999999999

MODEL: BZSD1K42691KR — Bushranger Shield HD 42in Zero Turn Riding Mower
- 2025: 400000000 - 419999999

MODEL: BZSH1K42691KR — Bushranger Shield 42in Zero Turn Riding Mower
- 2025: 400000000 - 419999999
- 2026: 420000000 - 420799999
- 2026: 420800000 - 999999999

MODEL: QZE452CEM42100 — Quest
- 2018: 402082300 - 404314158

MODEL: QZE722GEE42200 — Quest
- 2026: 420130747 - 999999999

MODEL: QZE722GKC42200 — Quest
- 2025: 417930746 - 420130746

MODEL: QZE725GKC42200 — Quest
- 2021: 408644346 - 411294211
- 2022: 411294212 - 413950473
- 2023: 413950474 - 416150474
- 2024: 416150475 - 999999999

MODEL: SZSD1K42691KR — Shield HD 42in Zero Turn Riding Mower
- Early Model: 417400000 - 419999999
- 2024: 400000000 - 417399999
- 2025-2026: 420000000 - 420699999

MODEL: SZSH1K42691KR — Shield 42in Zero Turn Riding Mower
- Early Model: 417500000 - 418499999
- 2024: 400000000 - 417299999
- 2024: 417300000 - 417499999
- 2025: 418500000 - 419999999
- 2025-2026: 420000000 - 420687356

MODEL: SZSH1K42722SE — Shield 42in Zero Turn Riding Mower
- 2026: 400000000 - 420799999
Series Fits 
TimeCutter 42in Riding Mower
Years: Early Model, 2021-2022-2026
Models: 75742, 75742TA, 75742W, 75746, 75746TA, 75748, 75749, 75752TA, 75766TA, 77401, 77404

Quest
Years: 2018-2026
Models: 42100, 42200, QZE452CEM42100, QZE722GEE42200, QZE722GKC42200, QZE725GKC42200

TimeCutter 4225 Riding Mower
Years: 2020, 2020-2021, 2021
Models: 75742, 75742TA, 75742W, 75744

TimeCutter MyRIDE 42in Riding Mower
Years: 2021-2026
Models: 75747, 75747W, 75758TA, 75768TA

TimeCutter MX 4275 Riding Mower
Years: 2020, 2020-2021, 2021, 2022
Models: 75745, 75745TA, 75745W

TimeCutter SS 4225 Riding Mower
Years: Early Model, 2018, 2019
Models: 74706, 74726, 74726TA

42in TimeCutter Riding Mower
Years: 2021
Models: 75746, 75746TA

Shield 42in Zero Turn Riding Mower
Years: Early Model, 2024, 2025, 2025-2026, 2026
Models: SZSH1K42691KR, SZSH1K42722SE

TimeCutter SS 4200 Riding Mower
Years: Early Model, 2018, 2019
Models: 74705, 74711

Bushranger Shield 42in Zero Turn Riding Mower
Years: 2025, 2026
Models: BZSH1K42691KR

Bushranger Shield HD 42in Zero Turn Riding Mower
Years: 2025
Models: BZSD1K42691KR

Shield HD 42in Zero Turn Riding Mower
Years: Early Model, 2024, 2025-2026
Models: SZSD1K42691KR

TimeCutter 4200 Riding Mower
Years: 2020, 2020-2021, 2021, 2022
Models: 75740

TimeCutter 4200C Riding Mower
Years: 2020, 2021, 2022, 2023
Models: 75741

TimeCutter 4275C Riding Mower
Years: 2020, 2021, 2022, 2023, 2023-2024
Models: 75743

TimeCutter SW 4200 Riding Mower
Years: Early Model, 2018
Models: 74788
Cross References 
Active Toro part number
137-1999-03
Cross-reference data is provided to help identify superseded or related part numbers.

21.6 Inch Medium Flow Blade

  • Toro OEM 21.6 inch Medium Flow blade. Medium Flow mower straight edge, standard discharge blade. These blades have slight upward angle on the edges. Great blades for use when horsepower is a concern. Produce medium Flow but requires less horsepower than Hi-Flow blades. 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 21.6 inch medium flow blade.
  • OEM quality ensures consistent performance and precise compatibility with your equipment.
  • Durable construction built to withstand demanding operational conditions.
  • Best for sandy or dusty terrain where Hi-Flow and lots of suction are not required or wanted
  • 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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