C-EQUIPMENT.COM
Small Engine Parts Specialists
IMPORTANT NOTE!

The first blade on the left is your old
blade with the orgiginal MTD / Bolens
star shaped hole.
The second blade is the replacement
blade with the new H pattern hole. The
third blade is your new replacement
blade with the H pattern fitting over
the star shaped spindle shaft on your
mower deck.
Bolens Lawn Mower Replacement Blades
We carry a large inventory of replacement blades. The following are the most common ones
Click here for the proper way to measure a blade & other important information
Clickez ici pour la bonne manière de mesurer une lame et autres informations importante
Blade
Replaces
Bolens #
Length
Center
Hole
Outer
Holes
Center
to
Center
Order
Use 3 for 42" cut
172-1299
171-6764
GW172-11299
for models 18423
14-3/4
3/8
5/16
2-11/16
center mulching
blade for 46" cut
742-0612
14-15/16
11/16 star
hole
5/16
2-1/2
Use3 for 42" cut
172-7926, 1727926
177-2144, 1772144
fits models
18300,30042 &
30042S
15-5/16
3/8
3/8
2-3/4
outside mulching
blade for 46" cut
742-0611
942-0611
16-1/4
11/16 star
hole
5/16
2-1/2
Use 3 for 48" cut
173-8571
177-2145
173-0412
fits models
30048S, 30048E,
18336, 19211
16-15/16
3/8
3/8
2-3/4
Use 2 for 33" cut
mulching blade
310-0980
181-3964
17-7/8
12 x 3/4
 
 
right-hand blade
for 36" cut use
with grass catcher
170-3568
174-8303
18-1/2
3/4
3/8
2-9/16
left-hand blade for
36" cut use with
grass catcher
174-8302
18-1/2
3/4
3/8
2-9/16
Use 2 for 36" cut
174-7640
177-23335
fits models 300365
& 310365
18-1/2
11/16