King Kutter 60HP and 80HP Gear Box Parts

Each number on the image is a "Ref #" that can be matched on the table below.

King Kutter 60HP and 80HP Gear Box Parts parts list
REF #	Image	Fits Model	Description	Price	Product Details
1	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Input Oil Seal	156040	$26.00	View Info
2	See Details	5' Rotary Cutter (60HP Gearbox), 6' Rotary Cutter (60HP Gearbox), 6' Heavy-Duty Rotary Cutter (80HP Gearbox), 7' Heavy-Duty Rotary Cutter (80HP Gearbox)	Front Gearbox Cover	129025	$74.00	View Info
3	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Input Cover Gasket	124133	$26.00	View Info
4	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input),80hp Gearbox, , 6 Spline input shaft for slip clutch, 6' & 7' Heavy Duty Rotary Cutter	Input Shaft Bearing Cup (60HP & 80HP)	155015	$51.00	View Info
5	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80hp Gearbox, , 6 Spline input shaft for slip clutch, 6' & 7' Heavy Duty Rotary Cutter	Input Bearing Cone 60HP & 80HP	155020	$46.00	View Info
6	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input)	Spacer for 60HP Gearbox	131050	$27.00	View Info
7	See Details	60 HP Slip Clutch Gearbox	22 Tooth Input Gear (60HP)*	185026	$247.00	View Info
7	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Input Gear (60HP* & 80HP)	185015	$261.00	View Info
8	See Details	5’ rotary cutter, 6’ rotary cutter, 60HP gearbox, 6 spline slip clutch gearbox	Input Shaft – 6 Spline	186015	$247.00	View Info
8	See Details	6’ Rotary Cutter, 60HP Gearbox	Input Shaft – Shear Bolt Style	186020	$204.00	View Info
8	See Details	80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Input Shaft for 80HP Gearbox	186040	$223.00	View Info
	See Details	80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Retainer Ring 80HP Gearbox	131025	$15.00	View Info
10	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Output Gear (60HP & 80HP)	185035	$152.00	View Info
11	See Details	6’ rotary cutter, 7’ rotary cutter, 80HP gearbox, slip clutch gearbox, heavy-duty rotary cutter gearbox	Bottom Bearing Race – 80HP Output Shaft	155036	$32.00	View Info
11	See Details	80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Inner Bearing Race for 80HP Output Shaft	155037	$40.00	View Info
11	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input)	Inner or Outer Bearing Cup 60HP Gearbox	155035	$111.00	View Info
12	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Output Bearing Cone (60HP & 80HP)	155040	$70.00	View Info
13	See Details	5’ rotary cutter, 6’ rotary cutter, 60HP gearbox, shear bolt gearbox, slip clutch gearbox	Output Shaft – 60HP Gearbox	186022	$272.00	View Info
13	See Details	80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Output Shaft for 80HP Gearbox	186035	$284.00	View Info
14	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Bottom Cap Gasket (60HP & 80HP)	124134	$26.00	View Info
15	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters	Output Oil Seal (60HP & 80HP)	156035	$27.00	View Info
16	See Details	60HP Gearbox 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input), 80HP Gearbox 6' & 7' Heavy-Duty Rotary Cutters (Slip Clutch Input)	Bottom Bearing Cap (60HP & 80HP)	129030	$74.00	View Info
17	See Details	Rotary Cutters	Castle Nut	501110	$30.00	View Info
18	See Details	40HP Gearbox: XB Series 48" Rotary Mower, 4', 5', 5.5', 6' Rotary Cutter, 7' Finish Mower, 4', 5', 6' Flex Hitch Finish Mowers; 60HP Gearbox: 5' & 6' Rotary Cutters (Shear Pin and Slip Clutch Input); 80HP Gearbox: 6' & 7' Heavy-Duty Rotary Cutters	Vent Plug	131035	$23.00	View Info
19	See Details	XB Series 48" Rotary Mower, 4', 5', 5.5', 6' Rotary Cutter, 7' Finish Mower, 4', 5', 6' Flex Hitch Finish Mowers, 60HP Gearbox 5' & 6' Rotary Cutters,80hp Gearbox, , 6 Spline input shaft for slip clutch, 6' & 7' Heavy Duty Rotary Cutter	1/8" Plug	131040	$3.00	View Info
6 / 21	See Details	5' Rotary Lift Cutter, 6' Rotary Lift Cutter	60-HP Gearbox (Shear Bolt)	184060	$406.00	View Info
6	See Details	Rotary Cutters	60-HP Gearbox (Slip Clutch)	184065	$464.00	View Info
5	See Details	6 & 7-Foot Heavy Duty Rotary Cutters	80-HP Gearbox (Slip Clutch)	184080	$615.00	View Info

Keep your King Kutter mower or tiller powering through the toughest jobs with quality replacement gearbox parts. A worn or failed gearbox can bring your entire operation to a halt — having the right parts on hand means less downtime and more time in the field.

We carry gearbox parts across four categories to help you find exactly what you need. Browse by gearbox type below:

40HP Gear Box Parts — Replacement components for King Kutter 40HP mower and tiller gearboxes
60HP and 80HP Gear Box Parts — Components for higher-horsepower King Kutter mower and tiller applications
Tiller Top Gearbox Parts — Replacement parts specific to the top gearbox on King Kutter tillers
Side Gearbox — Replacement parts for the King Kutter tiller side gearbox

Not finding the part you need? Contact our team with your model information and we'll help track down the right gearbox component for your machine.