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| Jacks Main Page > Lawn Mower Blades > Replacement MTD Blades | |||||||||||||
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Below are the Replacement blades we carry for MTD | |||||||||||||
| Length of Blade (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 400317 |
BLADE ADAPTER ASSEMBLY Replaces OEM mtd 7530343B |
3/16" built in keyway | ![]() |
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P/N : 400465 |
BLADE ADAPTER Replaces OEM mtd 7480300 mtd 7530583 |
Splined adaptor | ![]() |
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P/N : 400481 |
BLADE ADAPTER Replaces OEM mtd 7530463 mtd 7530485 mtd 9480324 mtd OEM7530485 |
Splined adapter | ![]() |
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P/N : 405005 |
BLADE ADAPTER Replaces OEM mtd 7480235 mtd 7530210 |
Splined adapter | ![]() |
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P/N : 405630 |
BLADE ADAPTER Replaces OEM mtd 7480323 mtd 9480323 |
Built in keyway | ![]() |
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| Length of Blade 1 1/2" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 410027 |
BLADE BOLT Replaces OEM mtd 7100459 mtd 7100459A mtd 9100459 |
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P/N : 410163 |
BLADE BOLT Replaces OEM mtd 7100757 mtd 9100757 |
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| Length of Blade 12 1/2" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335798 |
MULCHING BLADE Replaces OEM mtd 7420539 mtd 9420539 |
3 1/4" | 1 1/2" | 2 1/2" | Requires 2 of 335-798 and 2 of 335-790 for 38" cut | ![]() |
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| Length of Blade 14 13/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335125 |
STANDARD BLADE
Replaces OEM mtd 7420486 mtd 9420486 mtd 9420486A |
3" | 3/8" | 2 1/2" | Requires 1 of 335-125 and 2 of 335-117 for 46" cut | ![]() |
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P/N : 335723 |
STANDARD BLADE
Replaces OEM mtd 7420645 mtd 9420645 |
3" | 6 pt. star | 2 1/2" | Requires 1 of 335-723 and 2 of 335-719 for 46" cut | ![]() |
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| Length of Blade 14 3/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335539 |
STANDARD BLADE
Replaces OEM mtd 7420129 mtd 9420129B |
2" | 3/8" | 2 1/2" | Requires 3 for 42" cut | ![]() |
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| Length of Blade 14 7/8" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335695 |
STANDARD BLADE
Replaces OEM mtd 7420612 mtd 7420612A mtd 9420612 mtd 9420612A |
2 1/2" | 6 pt. star | 2 1/2" | Requires 1 of 335-695 and 2 of 335-691 for 46" cut | ![]() |
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| Length of Blade 16 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335117 |
STANDARD BLADE
Replaces OEM mtd 7420477 mtd 7420480 mtd 7420487 mtd 7420487A mtd 9420487A |
3" | 3/8" | 2 1/2" | Requires 2 of 335-117 and 1 of 335-125 for 46" cut | ![]() |
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P/N : 335691 |
STANDARD BLADE
Replaces OEM mtd 7420611 mtd 7420611A mtd 9420611 mtd 9420611A |
2 1/2" | 6 pt. star | 2 1/2" | Requires 2 of 335-691 and 1 of 335-695 for 46" cut | ![]() |
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P/N : 335719 |
STANDARD BLADE
Replaces OEM mtd 7420644 mtd 9420644 |
3" | 6 pt. star | 2 1/2" | Requires 2 of 335-719 and 1 of 335-723 for 46" cut | ![]() |
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| Length of Blade 16 9/32" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : OEM7530571 |
3 Blade Set for 46" Deck Replaces OEM mtd OEM MTD |
Fits all 46" MTD deep decks, 1996 & prior | ![]() |
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P/N : OEM7530847 |
3 Blade Set for 46" Deck-Star Center Hole Replaces OEM mtd OEM MTD |
Fits auto drive step thru frame lawn & garden tractors 1999 & after | ![]() |
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| Length of Blade 17 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335653 |
STANDARD BLADE
Replaces OEM mtd 7420171 mtd 7420171B mtd 9420171B |
2 1/2" | 3/8" | 2 1/2" | Requires 3 for 50" cut | ![]() |
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| Length of Blade 17 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : OEM7420171B |
3 Blade Set for 50" Deck Replaces OEM mtd OEM MTD |
Fits all 50" MTD decks 1997 & prior | ![]() |
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P/N : OEM7420623 |
3 Blade Set for 50" Deck-Star Center Hole Replaces OEM mtd OEM MTD |
Fits all 50" MTD deep decks, 1998 and after | ![]() |
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| Length of Blade 17 5/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335650 |
STANDARD BLADE
Replaces OEM mtd 7420623 mtd 9420623 |
2 1/2" | 6 pt. star | 2 1/2" | Requires 3 for 50" cut | ![]() |
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| Length of Blade 17 7/8" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335859 |
BLADE HI-LIFT, MULCH Replaces OEM mtd 74204053 mtd 74204053A mtd 74204053B mtd 94204053C |
2 3/8" | 6 pt. star | ![]() |
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| Length of Blade 18 1/2" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335855 |
MULCHING BLADE Replaces OEM mtd 7420677 mtd 7420677A mtd 7420677B mtd 9420677 mtd 9420677A mtd 9420677B |
3" | 6 pt. star | Specially designed center hole to replace six point star |
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| Length of Blade 18 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335170 |
HI-LIFT BLADE Replaces OEM mtd 7420496 mtd 9420496 |
3" | 3/8" | 2 1/2" | ![]() |
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| Length of Blade 18 15/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335570 |
STANDARD BLADE
Replaces OEM mtd 7420122A mtd 9420122A mtd 9420122B |
2" | 3/8" | 2 1/2" | Requires 2 for 38" cut | ![]() |
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| Length of Blade 18" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335562 |
STANDARD BLADE
Replaces OEM mtd 7420121 mtd 9420121B |
2" | 3/8" | 2 1/2" | Requires 2 for 36" cut | ![]() |
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| Length of Blade 19 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335624 |
MULCHING BLADE Replaces OEM mtd 7420610 mtd 7420610A mtd 9420610 mtd 9420610A |
2 3/4" | 6 pt. star | 2 1/2" | Specially designed center hole to replace six point star |
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| Length of Blade 19 15/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335715 |
MULCHING BLADE Replaces OEM mtd 7420740 mtd 9420740 |
2 1/4" | 1" X 3/4" | 2 1/2" | Fits bow tie style center hole | ![]() |
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| Length of Blade 19 3/8" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335877 |
STANDARD BLADE
Replaces OEM mtd 7420473A mtd 9420473A |
3" | 3/8" | 2 1/2" | Requires 2 for 38" cut | ![]() |
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| Length of Blade 19 5/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335586 |
STANDARD BLADE
Replaces OEM mtd 7420610 mtd 7420610A mtd 9420610 mtd 9420610A |
3" | 6 pt. star | 2 1/2" | ![]() |
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P/N : 335790 |
BLADE, MULCHING Replaces OEM mtd 7420537 mtd 9420537 |
3" | 3/8" | 2 1/2" | Requires 2 of 335-790 and 2 of 335-798 for 38" cut | ![]() |
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| Length of Blade 20" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335588 |
STANDARD BLADE
Replaces OEM mtd 7420123 mtd 9420123B |
2" | 3/8" | 2 1/2" | ![]() |
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P/N : 335592 |
MULCHING BLADE Replaces OEM mtd 7420720 mtd 9420720 |
2 1/4" | 13/16" | 2 1/2" | ![]() |
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P/N : 335665 |
HI-LIFT BLADE Replaces OEM mtd 7420640 mtd 9420640 |
2 1/4" | 1" X 3/4" | 2 1/2" | Fits bow tie style center hole | ![]() |
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P/N : 335943 |
STANDARD BLADE
Replaces OEM mtd 7420520 mtd 7420620 mtd 9420620 |
2" | 13/16" | 2 1/2" | ![]() |
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| Length of Blade 21 1/4" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335707 |
MULCHING BLADE Replaces OEM mtd 7420616 mtd 7420616A mtd 9420616 mtd 9420616A |
2 3/4" | 6 pt. star | 2 1/2" | Requires 2 for 42" cut | ![]() |
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P/N : 335711 |
STANDARD BLADE
Replaces OEM mtd 7420616 mtd 7420616A mtd 9420616 mtd 9420616A |
3" | 6 pt. star | 2 1/2" | Requires 2 for 42" cut | ![]() |
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P/N : 335782 |
MULCHING BLADE Replaces OEM mtd 7420538 mtd 9420538 |
3" | 3/8" | 2 1/2" | Requires 2 of 335-782 and 2 of 335-798 for 42" cut | ![]() |
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| Length of Blade 21 15/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335632 |
HI-LIFT BLADE Replaces OEM mtd 7420642 mtd 7420642A mtd 9420642 mtd 9420642A |
2 1/2" | 15/16" X 11/16" | 2 1/4" | Specially designed center hole to replace bow tiestyle |
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| Length of Blade 21 3/16" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335067 |
STANDARD BLADE
Replaces OEM mtd 7420499 mtd 7420499A mtd 9420499A |
3" | 3/8" | 2 1/2" | Requires 2 for 42" cut | ![]() |
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| Length of Blade 21" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335083 |
STANDARD BLADE
Replaces OEM mtd 7420521 mtd 7420621 mtd 9420621 |
2" | 13/16" | 2 1/2" | ![]() |
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P/N : 335214 |
MULCHING BLADE Replaces OEM mtd 7420741 mtd 9420741 |
2 1/4" | .93" X .70" | 2 1/2" | Specially designed center hole to replace bow tie | ![]() |
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P/N : 335596 |
STANDARD BLADE
Replaces OEM mtd 7420124 mtd 9420124B |
2" | 3/8" | 2 1/2" | ![]() |
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P/N : 335677 |
HI-LIFT BLADE Replaces OEM mtd 7420641 mtd 9420641 |
2 1/4" | 15/16" X 11/16" | 2 1/2" | Fits bow tie style center hole | ![]() |
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P/N : 335814 |
MULCHING BLADE Replaces OEM mtd 7420563 mtd 7420721 mtd 9420721 |
2 1/4" | 13/16" | 2 1/2" | ![]() |
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| Length of Blade 21.2" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : OEM7420499A |
For 42" Deep Deck 1990 and after Replaces OEM mtd OEM MTD |
13/32" | 2.5" | Requires 2 for 42" | ![]() |
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| Length of Blade 22" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335604 |
STANDARD BLADE
Replaces OEM mtd 7420125 mtd 9420125B |
2" | 3/8" | 2 1/2" | ![]() |
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P/N : 335608 |
MULCHING BLADE Replaces OEM mtd 7420742 mtd 7420742A mtd 9420742 mtd 9420742A |
2 1/4" | 15/16" X 11/16" | 2 1/2" | ![]() |
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P/N : 335628 |
MULCHING BLADE Replaces OEM mtd 7420722 mtd 9420722 |
2 1/4" | 13/16" | 2 1/2" | ![]() |
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P/N : 335669 |
STANDARD BLADE
Replaces OEM mtd 7420622 mtd 9420622 |
2 1/4" | 13/16" | 2 1/2" | ![]() |
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P/N : 335737 |
STANDARD BLADE
Replaces OEM mtd 7420295 mtd 9420295 |
2" | 3/8" | 2 1/2" | Requires 2 for 44" cut | ![]() |
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| Length of Blade 27.5" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 9420651 |
"3 in 1" Mulching, Bagging & Siding Discharge Replaces OEM mtd This is OEM |
Fits MTD/Yard-Man Yard Bug rear engine rider | ![]() |
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| Length of Blade 30" (A) | |||||||||||||
| Description | Width (B) | Center Hole (C) | Center to Center (D) | Requirements | |||||||||
P/N : 335646 |
STANDARD BLADE
Replaces OEM mtd 7420193 mtd 7420256 mtd 7420256A mtd 9420256A |
3" | 3/8" | 2 1/2" | ![]() |
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