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Rotary Mower Parts & Gearboxes

Agri Supply has parts and blades to fit rotary cutters and rotary mowers from many manufacturers, including Bush Hog, Grizzly, and more. Please reach out to our experts for any questions regarding any rotary cutter gearboxes, rotary cutter blades, lawn mower parts, and wheel parts.

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40 HP Gearbox RW-300, Spline 1-3/8 Input Shaft
image 40 HP Gearbox RW-300-6S, Spline 1-3/8" Input Shaft
Item # 126964
The average rating for this product is 5 out of 5 stars
$179.99 EA
4x8 laminated tailwheel assy
image Laminated Tail Wheel Assembly 4 inch by 8 inch for Rotary Cutters
Item # 125442
The average rating for this product is 5 out of 5 stars
$75.00 EA
Blade for 105962 6 Rotary Mower
image 30-1/2" x 3" x 1/2" Rotary Mower Blade
Item # 109165
$41.99 EA
Laminated Tire Wheel 4 Hole Bolt Circle
image Laminated Tire And Wheel Assembly
Item # 48820
$129.88 EA
Laminated Tire & Wheel
image 6 x 9 Solid Laminated Tailwheel
Item # 32443
$129.99 EA
Output Oil Seal, King Kutter
image King Kutter® 156035 Output Shaft Oil Seal
Item # 10446
$31.99 EA
Cast Iron Tailwheel Hub Kit
image Cast Iron Tailwheel Hub Kit
Item # 121421A
$43.99 EA
Blade Pan to fit Import Rotary Mower 5FT and 6FT
image Blade Pan to fit Import Rotary Mower 5FT and 6FT
Item # 124417
$139.99 EA
Laminated Tire and Wheel Assembly, 4.00 x 8, 4 Bolt
image Laminated Tire and Wheel Assembly, 4.00 x 8, 4 Bolt
Item # 10414
The average rating for this product is 5 out of 5 stars
$59.99 EA
Tailwheel Hub Assembly, For King Kutter
image Tailwheel Hub Assembly, For King Kutter
Item # 31903
$34.99 EA
40 HP Gearbox RW-300, Smooth 1-3/8 Input Shaft
image 40 HP Gearbox RW-300, Smooth 1-3/8" Input Shaft
Item # 87854
The average rating for this product is 5 out of 5 stars
$149.99 EA
6 Spline Input Shaft, 1-3/8 In., 1:1.46 Ratio
image 75-90 HP Gearbox RW-710-6S, Spline 1-3/8 In. Input Shaft
Item # 89751
The average rating for this product is 5 out of 5 stars
$284.99 EA
75HP Gearbox RW-610, Spline 1-3/8 Input Shaft
image 75HP Gearbox RW-610-6S, Spline 1-3/8 Input Shaft
Item # 87857
$269.99 EA
Stump Jumper Pan for Rotary Mowers with 12 Splines
image Stump Jumper Pan for Rotary Mowers with 12 Splines
Item # 89742
The average rating for this product is 5 out of 5 stars
$97.99 EA
40 HP Gearbox RW-300, Spline 1-3/8 Input Shaft
image 40 HP Gearbox RW-300-6S, Spline 1-3/8" Input Shaft
Item # 87855
$149.99 EA
Laminated Tire Assy W/fork
image Grizzly® 4" x 8" Rotary Cutter Tailwheel Assy
Item # 86804
The average rating for this product is 5 out of 5 stars
$77.99 EA
Fholb Fabricated Hub Bushings To Fit Axle Bolt
image Fabricated Hub with Bushings
Item # 49324
$11.99 EA
1 inch Castle Nut For RW Series Rotary Mower Gearbox
image 1-Inch Castle Nut For RW Series Rotary Mower Gearbox
Item # 102241
The average rating for this product is 5 out of 5 stars
$5.49 EA
Wheel Fork
image Wheel Fork 1-1/4" Shank & Hole For 1" Axle Bolt
Item # 63739
The average rating for this product is 5 out of 5 stars
$33.99 EA
Stump Jumper Pan for Rotary Mowers with 15 Splines
image Stump Jumper Pan for Rotary Mowers with 15 Splines
Item # 90572
The average rating for this product is 5 out of 5 stars
$104.99 EA
75HP Gearbox RW-610, Smooth 1-3/8 Input Shaft
image 75HP Gearbox RW-610, Smooth 1-3/8 Input Shaft
Item # 87856
The average rating for this product is 4 out of 5 stars
$269.99 EA
Rotary Mower Wheel Fork
image King Kutter® Rotary Mower Wheel Fork
Item # 10451
$45.88 EA
Tire with Hub
image Laminated Rotary Tire with Rim, 4.00 x 8
Item # 77826
$75.99 EA
Blade Hub for RW610
image Blade Hub for RW610
Item # 89755
$21.99 EA
Wheel Fork
image Wheel Fork, WF-3
Item # 63741
The average rating for this product is 5 out of 5 stars
$36.99 EA
Laminated Tire for Rotary Mower
image Laminated Tire for Rotary Mower
Item # 40117
$57.99 EA
Kutter Mower tail wheel axle & Nut
image King Kutter Replacement Axle & Nut
Item # 76011
$17.99 EA
Wheel Fork
image Wheel Fork
Item # 63740
The average rating for this product is 4 out of 5 stars
$33.99 EA
RW300 Output Shaft Gearbox Seal
image RW300 Output Shaft Gearbox Seal
Item # 89757
$2.99 EA
Pressure Relief Plug for RW Gearboxes
image Pressure Relief Plug for RW Gearboxes
Item # 89762
$4.99 EA
36601A Tail Wheel Cast Hub For Rotary Mower
image Tail Wheel Cast Hub For Rotary Mower
Item # 36601A
$20.99 EA
seal-input-shaft-for-rw300
image Input Shaft Seal 35mm x 54mm x 11mm
Item # 89756
$2.99 EA
LIFT ARM BRACE 1/2 X 3 X 26
image Lift Arm Brace 1/2" X 3" X 26"
Item # 76010
$51.99 EA
Fabricated Steel Hub Bushing
image Fabricated Hub 3/4" Bushing
Item # 49642
$12.99 EA
Blade for 105961 5 Rotary Mower
image 23" x 3" x 1/2" Rotary Mower Blade
Item # 109164
$35.99 EA
20 Spline Input Shaft, 1-3/4 In., 1:1.46 Ratio
image 75-90 HP Gearbox RW-710-20S, Spline 1-3/4 Input Shaft
Item # 89753
$284.99 EA
LIFT ARM BRACE 3/8 X 2 X 31
image LIFT ARM BRACE 3/8" x 2" x 31"
Item # 76006
The average rating for this product is 3 out of 5 stars
$60.99 EA
Laminated Tire, 4.00 x 8, 4 Bolt
image 4 x 8 Solid Laminated Tailwheel
Item # 85488
$43.99 EA
Blade Hub for Gearbox RW-300
image Blade Hub for Gearbox RW-300
Item # 89754
$20.99 EA
Castlenut Washer & Cotter Pin Fits King Kutter
image 1'' Castlenut
Item # 41226
$22.99 EA
Friction Bushing 3/4 ID For ASC 49642 Rotary Mower Tailwheel Hub
image Friction Bushing 3/4" ID For ASC 49642 Rotary Mower Tailwheel Hub
Item # 49644
$3.49 EA
Laminated Tire, 4.00 x 8, 4 Bolt, 6mm Fabricated Hub, 1 In. Bushing
image Laminated Tire, 4.00 x 8, 4 Bolt, 6mm Fab Hub, 1 In. Bushing
Item # 85490
$53.99 EA
4 link chain; 1/4 diameter
image 1/4" Galvanized Chain 4 Links Long for Rotary Mower Chain Guards
Item # 111337
$1.99 PC
5 link chain; 1/4 diameter
image 1/4" Galvanized Chain 5 Links Long for Rotary Mower Chain Guards
Item # 111338
$2.49 PC
CUP LM603014 S 107
image CUP LM603014 S-107
Item # 62636
$5.99 EA
Friction Bushing 1 ID For ASC 49324 Rotary Mower Tailwheel Hub
image Friction Bushing 1" ID For ASC 49324 Rotary Mower Tailwheel Hub
Item # 49643
$2.99 EA
Input Oil Seal Fits King Kutter Hp Gear Box
image Input Oil Seal King Kutter
Item # 10444
$19.99 EA
Bushing For Rotary Mower Tailwheel Hub
image Bushing For Tailwheel
Item # 31136
$2.99 EA
Oil Seal For Out Shaft In King Kutter Gear Box
image King Kutter® 156005 Oil Seal For Output Shaft on 40 HP Gearbox
Item # 31199
$21.99 EA
Input Oil Fits King Kutter & Hp Gearbox
image Input Oil Seal For King Kutter
Item # 10445
$21.99 EA
tailwheel fork f/rotary mower
image Tailwheel Fork for the 5 foot and 6 foot Rotary Mowers
Item # 124418
$48.99 EA
RW-205 Input Shaft Seal (RW-205) For 75-90 HP Gearbox
image Input Shaft Seal (RW-205) For 75-90 HP Gearbox (ASC 89751 + 89753)
Item # 124422
$3.99 EA
RW10 55HP Smooth Shaft Input Gearbox
image 55 Gearbox Smooth Input Shaft
Item # 134526
$204.99 EA
RW-207 Input Shaft Seal for RW500 PHD
image Input Shaft Seal to Fit RW500 PHD
Item # 121076
$3.99 EA
In stores only
snap ring f/ smooth input shaft
image Snap Ring For Gearboxes With 1-3/8 Inch Smooth Input Shaft
Item # 135429
$1.99 EA
Output Shaft Seal to fit RW500 PHD
image Output Shaft Seal to fit RW500 PHD
Item # 131073
$4.99 EA
Tail Wheel For Kodiak Kodiak SMH
image 134-SMH 3 Pt Lift Tail Wheel Fork
Item # 62961
$204.66 EA
Input Seal Rc Kodiak
image INPUT SEAL RC-61
Item # 55951
$38.66 EA
In stores only
Lift Arm Lift K
image King Kutter® 310091 Lift Arm
Item # 43064
$70.99 EA
SEAL OUTPUT 60061
image SEAL - OUTPUT 60061
Item # 63540
$43.66 EA
In stores only
45hp Gearbox F/105961 & 105962
image 45 HP Gearbox, Smooth 1-3/8" Input Shaft
Item # 121221
$269.99 EA
Input Shaft Seal for RW610
image Input Shaft Seal for RW610
Item # 89758
$3.99 EA
Output Shaft Seal for RW610 + RW710
image Output Shaft Seal for RW610 + RW710
Item # 89761
$3.99 EA
Gearbox 1-3/8" 6 Spl Input
image Grizzly® Gearbox 1-3/8" 6 Splined; Black Shaft 1:1.21 RW61T
Item # 89752
$304.99 EA
Hex Nut For 5 & 6 Rotary Mower
image Hex Nut to fit 5' & 6' Rotary Mower
Item # 109167
$9.49 EA
Flat Washer to fit 5 & 6 Rotary Mower
image Flat Washer to fit 5' & 6' Rotary Mower
Item # 109168
$3.49 EA
Rotary Mower Tail Wheel Hub
image Tail Wheel Hub for Rotary Mower with 1" Axle
Item # 108973
$18.88 EA
Lift Arm
image King Kutter® 310088 Lift Arm
Item # 38600
$63.99 EA
Lift Arm Support Strap For King Kutter
image King Kutter® 310071 Lift Arm Support Brace
Item # 38601
$45.99 EA
Tire And Rim With Axle And Nut
image King Kutter® 502015 8 X 3.00 Tire and Rim with Axle Bolt
Item # 41224
$72.99 EA
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No matter the size of the job, count on Agri Supply to provide rotary parts that deliver reliable performance. Right angle gearboxes provide the proper torque and speed for heavy-duty work. We offer mower gearboxes as well as gearboxes for post hole diggers. We also carry blade pans and laminated tires. Explore our rotary parts catalog for rotary mower parts and rotary mower blades that will help you tackle heavy-duty jobs.

Looking for a stump jumper for your rotary cutter? We have one to suit your needs. Agri Supply offers a variety of stump jumpers for sale. If you’re unsure, ask one of our experts for guidance. And, as always, Agri Supply® stands behind our products. Every non-perishable item that we sell is backed by a one-year guarantee. Our goal is for you to find the rotary mower parts you need, and buy with confidence.