Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
4.3
(3)
4.3 out of 5 stars. 3 reviews
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Farm & Ranch
  4. /
  5. Tractor & 3 Point Attachments
  6. /
  7. Mowers & Rotary Cutters
  8. /
  9. Replacement Blades & Knives
  10. /

  11. CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

  1. Home
  2. /
  4. /
  5. Replacement Blades & Knives

CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

Shop all CountyLine

  • Exclusive

CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

Item # 1217090

Stocked & Ready
CountyLine CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.
CountyLine CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.
$29.99

Spend $49.99 to unlock free delivery!

Get everything you need
CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.
4.3(3)

CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

$29

.99

CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack
5.0(2)

CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack

$32

.99

CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.
5.0(6)

CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.

$44

.99

20,000 ft. Orangeline Polypropylene Baler Twine, 110 lb. Tensile Strength
4.5(118)

Unbranded 20,000 ft. Orangeline Polypropylene Baler Twine, 110 lb. Tensile Strength

$43

.99

$54.99

Save (20%)

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all CountyLine

  • Exclusive

CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

Item # 1217090

Stocked & Ready
CountyLine CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.
CountyLine CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

$29.99

Spend $49.99 to unlock free delivery!

Shopping at

Grassland (franklin) TN

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Get everything you need
CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.
4.3(3)

CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6 pk.

$29

.99

CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack
5.0(2)

CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack

$32

.99

CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.
5.0(6)

CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.

$44

.99

20,000 ft. Orangeline Polypropylene Baler Twine, 110 lb. Tensile Strength
4.5(118)

Unbranded 20,000 ft. Orangeline Polypropylene Baler Twine, 110 lb. Tensile Strength

$43

.99

$54.99

Save (20%)

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Replace the blades on your equipment using the CountyLine 4.2 in. Disc Mower Blades, Left Hand, 6-Pack. These mower blades can be used with the following models: Gehl DC2345, DC2365, DC2412, DC2415, DC2418; Hesston 1320, 1340, 1360, 1365, 870, 8500; John Deere 265, 275, 910, 915, 920, 925, 930, 935, 945, 955, 990, 1350, 1360, 1460, 1470; Kuhn FC250, FC300, FC350, GMD400, GMD500, GMD600, GMD700; New Holland 408, 411, 412, 415. There are 6 total mower blades included per pack.

  • Disc mower blades measure: 4.2 in.
  • Thickness: 4/25 in.
  • 1 year limited warranty
  • Pack includes 6 mower blades
  • Blades fit the following disc mowers: Gehl DC2345, DC2365, DC2412, DC2415, DC2418; Hesston 1320, 1340, 1360, 1365, 870, 8500; John Deere 265, 275, 910, 915, 920, 925, 930, 935, 945, 955, 990, 1350, 1360, 1460, 1470; Kuhn FC250, FC300, FC350, GMD400, GMD500, GMD600, GMD700; New Holland 408, 411, 412, 415
  • Left handed
BrandCountyLine
Country of OriginImported
Brand CompatibilityGehl, New Holland, Hesston, John Deere, Kuhn
FeaturesLeft Handed
Model CompatibilityGehl: DC2345, DC2365, DC2412, DC2415, DC2418, Hesston: 1320, 1340, 1360, 1365, 870, 8500, John Deere 265, 275, 910, 915, 920, 925, 930, 935, 945, 955, 990, 1350, 1360, 1460 - See product detail for full information
Package Quantity6
Primary MaterialMetal
Product Height4.2 in.
Product Length4-1/5 in.
Product Weight4.2 in.
Product Width4/25 in.
Thickness4/25 in.
Warranty1 Year Limited
Manufacturer Part Number798-DMB55903210
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. CountyLine 3-7/10 in. Disc Mower Blades, Left Hand, 6 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 3-7/10 in. Disc Mower Blades, Left Hand, 6 pk.

    $27.99
  2. Top Rated
    CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    CountyLine 4.2 in. Disc Mower Blades, Right Hand, 6-Pack

    $32.99
  3. CountyLine 4-5/7 in. Disc Mower Blade, Left Hand
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 4-5/7 in. Disc Mower Blade, Left Hand

    $29.99
  4. CountyLine 4-5/7 in. Disc Mower Blades, Right Hand, 6-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 4-5/7 in. Disc Mower Blades, Right Hand, 6-Pack

    $29.99
  5. Top Rated
    Woods 22 in. Rotary Cutter Mower Blade
    5.0 out of 5 stars with 13 reviews
    5.0 (13)

    Woods 22 in. Rotary Cutter Mower Blade

    $59.99
  6. CountyLine 3-7/8 in. Disc Mower Blades, Right Hand, 6-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 3-7/8 in. Disc Mower Blades, Right Hand, 6-Pack

    $29.99
  7. Top Rated
    24-5/8 in. Rotary Cutter Mower Blade
    4.9 out of 5 stars with 9 reviews
    4.9 (9)

    Unbranded24-5/8 in. Rotary Cutter Mower Blade

    $64.99
  8. Top Rated
    4 ft. Mono Rotary Cutter Mower Blade
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    Unbranded4 ft. Mono Rotary Cutter Mower Blade

    $64.99
  9. CountyLine 4-3/4 in. Disc Mower Blades for Select Bush Hog and Hesston Mowers, Left Hand, 6-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 4-3/4 in. Disc Mower Blades for Select Bush Hog and Hesston Mowers, Left Hand, 6-Pack

    $29.99
  10. CountyLine 4-3/4 in. Disc Mower Blades for Select Bush Hog and Hesston Mowers, Right Hand, 6-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine 4-3/4 in. Disc Mower Blades for Select Bush Hog and Hesston Mowers, Right Hand, 6-Pack

    $29.99
  11. Top Rated
    25 in. Mono Rotary Cutter Mower Blade for 5 ft. Model 4560
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Unbranded25 in. Mono Rotary Cutter Mower Blade for 5 ft. Model 4560

    $64.99
  12. CountyLine 30 in. Rotary Cutter Blades for 6 ft. CountyLine Rotary Cutters, 2-Pack
    4.4 out of 5 stars with 72 reviews
    4.4 (72)

    CountyLine 30 in. Rotary Cutter Blades for 6 ft. Rotary Cutters, 2-Pack

    $119.99

Items You May Like

  1. Top Rated
    CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.
    5.0 out of 5 stars with 6 reviews
    5.0 (6)

    CountyLine Disc Mower Bolts, OEM 561.158.00K, 6 pk.

    $44.99
  2. Top Rated
    CountyLine 4-5/6 in. Disc Mower Blades for Select Gehl, Kuhn and New Holland Mowers, Right Hand, 6-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    CountyLine 4-5/6 in. Disc Mower Blades for Select Gehl, Kuhn and New Holland Mowers, Right Hand, 6-Pack

    $29.99
  3. Terrain King 14-1/2 in. Rotary Cutter Blade
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Terrain King 14-1/2 in. Rotary Cutter Blade

    $79.99
  4. CountyLine 3 in. x 3-1/4 in. Sickle Sections for Allis Chalmers, John Deere, Ford and Triumph Mowers, 10-Pack
    4.4 out of 5 stars with 7 reviews
    4.4 (7)

    CountyLine 3 in. x 3-1/4 in. Sickle Sections for Allis Chalmers, John Deere, Ford and Triumph Mowers, 10-Pack

    $39.99
  5. CountyLine Replacement Ball for Category 2 Ford LA Models, Yellow
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Replacement Ball for Category 2 Ford LA Models, Yellow

    $14.99
  6. CountyLine Blade Bolt Kit, 2-Pack
    4.4 out of 5 stars with 19 reviews
    4.4 (19)

    CountyLine Blade Bolt Kit, 2-Pack

    $44.99
  7. Top Rated
    22-3/45 x 3-1/2 x 1/2 in. Rotary Cutter Mower Blade for FMC/Sidewinder 15096, CCW, 1-1/2 in. Bolt Hole
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    Unbranded22-3/45 x 3-1/2 x 1/2 in. Rotary Cutter Mower Blade for FMC/Sidewinder 15096, CCW, 1-1/2 in. Bolt Hole

    $59.99
  8. Woods Rotary Cutter Blade Bolt Kit, 3-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Woods Rotary Cutter Blade Bolt Kit, 3-Pack

    $34.99
    Was $69.99Save $35.00
  9. 28-3/4 x 3-1/2 x 1/2 in. Rotary Cutter Mower Blade for FMC/Sidewinder 15120, CCW, 1-1/2 in. Bolt Hole
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Unbranded28-3/4 x 3-1/2 x 1/2 in. Rotary Cutter Mower Blade for FMC/Sidewinder 15120, CCW, 1-1/2 in. Bolt Hole

    $69.99
  10. Top Rated
    CountyLine Rake Teeth for New Holland Rake Models
    4.8 out of 5 stars with 17 reviews
    4.8 (17)

    CountyLine Rake Teeth for New Holland Rake Models

    $3.49
  11. Terrain King Rotary Cutter Blade Bolt Kit, 4-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Terrain King Rotary Cutter Blade Bolt Kit, 4-Pack

    $49.99
  12. CountyLine Universal Section Bolts with Nut, 50-Pack
    4.3 out of 5 stars with 6 reviews
    4.3 (6)

    CountyLine Universal Section Bolts with Nut, 50-Pack

    $26.99

Customers Also Bought

  1. CountyLine Fuel Filter, FF7 for RE522868
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Fuel Filter, FF7 for RE522868

    $29.99
  2. CountyLine Engine Oil Filter, EOF13 for RE59754
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Engine Oil Filter, EOF13 for RE59754

    $24.99
  3. CountyLine Fuel Filter, FF6 for RE508202
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Fuel Filter, FF6 for RE508202

    $29.99
  4. CountyLine Engine Oil Filter, EOF3 for HH1C032430, KHH1C032430
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Engine Oil Filter, EOF3 for HH1C032430, KHH1C032430

    $19.99
  5. CountyLine Inner Air Filter, IAF11 for RE253519, 87037985, T531011011002
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Inner Air Filter, IAF11 for RE253519, 87037985, T531011011002

    $39.99
  6. CountyLine Hydraulic Oil Filter, HF5 for 6877362210
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Hydraulic Oil Filter, HF5 for 6877362210

    $64.99
  7. CountyLine Engine Oil Filter, EOF11 for 7343102, 40050800064, 7012303
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Engine Oil Filter, EOF11 for 7343102, 40050800064, 7012303

    $54.99
  8. CountyLine Hydraulic Oil Filter, HF7 for LVA14703
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Hydraulic Oil Filter, HF7 for LVA14703

    $29.99
  9. CountyLine Inner Air Filter, IAF9 for T027093220, 19690531100, PW11P01038P1
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Inner Air Filter, IAF9 for T027093220, 19690531100, PW11P01038P1

    $39.99
  10. CountyLine Inner Air Filter, IAF10 for RE282287, 7003490, 006008798F1
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Inner Air Filter, IAF10 for RE282287, 7003490, 006008798F1

    $29.99
  11. CountyLine HST Filter, HF11 for HHTA059900
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine HST Filter, HF11 for HHTA059900

    $59.99
  12. CountyLine Outer Air Filter, OAF11 for RE253518, SU20768, 87037984, 10031032050, T531011011005
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CountyLine Outer Air Filter, OAF11 for RE253518, SU20768, 87037984, 10031032050, T531011011005

    $54.99

Reviews

Rating Snapshot

Select a row below to filter reviews.

5 starsstars

2
2 reviews with 5 stars.

4 starsstars

0
0 reviews with 4 stars.

3 starsstars

1
1 review with 3 stars.

2 starsstars

0
0 reviews with 2 stars.

1 starstars

0
0 reviews with 1 star.

Overall Rating

4.3

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Adding a review will require a valid email for verification
1 to 0 of 3 Reviews .

3 Ratings-Only Reviews

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.