King Kutter Rotary Cutter Parts

Replacement gearboxes, PTO drive shafts, stump jumpers, blades, tail wheels, A-frame arms, chain guards, and hitch hardware for King Kutter rotary cutters, covering standard hitch, flex hitch, and XB models from 4-foot through 7-foot cutting widths.

Fits Models At A Glance

• Standard Hitch Cutters: 4-Foot, 5-Foot, 6-Foot Rotary Cutters
• Flex Hitch Cutters: 4-Foot, 5-Foot, 6-Foot Flex-Hitch Rotary Cutters
• Heavy Duty Cutters: 5-Foot HD, 6-Foot HD, 7-Foot HD Rotary Cutters
• XB Series: XB Rotary Cutters

Key Notes

• Gearboxes: 40 HP and 60 HP options in shear bolt and slip clutch styles
• Drive Shafts: Shear pin, shear bolt, and splined slip clutch PTO shafts
• Cutting Hardware: Blade sets, blade bolt kits, stump jumpers, and castle nuts
• Frame & Deck: A-frame arms, concave decks, chain guards, and lift arm assemblies
• Wheels: Tail wheel and hub kits, forks, axle bolts, and greaseable hubs

Why Choose Broken Tractor

• ✅ OEM and replacement King Kutter parts available now
• ✅ Fast shipping from two US warehouses
• ✅ Fitment help from real equipment specialists

Frequently Asked Questions

What blades fit a King Kutter rotary cutter?

We carry the King Kutter Rotary Cutter Blade Set (SKU 501118-501130) for 4-foot, 5-foot, and 6-foot models, and it fits Standard and XB rotary cutters. We also offer the OEM Blade Bolt Set with Nuts and Washers (SKU 501001) for the same Standard and XB cutters. Match your cutting width to the correct set, and if you are unsure, confirm with our parts team.

What gearbox do I need for my King Kutter rotary cutter?

Broken Tractor carries both 40 HP and 60 HP gearboxes in shear bolt and slip clutch styles. The 40 HP Shear Pin Style PTO Gearbox (SKU 184005) fits 5-foot and 6-foot rotary cutters, and the 40 HP Gearbox for Slip Clutch Drive Shafts (SKU 184010) fits the same widths. For heavy duty units, the 60-HP Gearbox (SKU 184065) fits 5' to 7' HD cutters. Choose based on your horsepower rating and whether your cutter uses a shear bolt or slip clutch shaft.

How do I replace the tail wheel on a King Kutter rotary cutter?

We carry the full tail wheel assembly and its components for King Kutter rotary cutters. Options include the OEM Tail Wheel and Hub Kit (SKU 403001), the Tail Wheel Fork (SKU 403019), the greaseable Tail Wheel Hub (SKU 191100), the Tail Wheel Axle Bolt (SKU 501280), and the Wheel Fork Washer and Retaining Clip (SKU 501013). You can replace the complete kit or just the worn piece.

What is a stump jumper on a King Kutter rotary cutter?

The stump jumper, also called the blade carrier, is the round pan that mounts under the gearbox and holds the blades while helping the cutter ride over stumps and obstacles. Broken Tractor offers the Stump Jumper for 40 HP and 60 HP gearboxes (SKU 403031-403032) fitting Standard and XB rotary cutters, and a Flex Hitch version (SKU 403034-403036) for 6-foot Flex Hitch cutters. Match the part to your gearbox horsepower and hitch style.

Which PTO drive shaft fits a King Kutter rotary cutter?

It depends on your cutter's clutch type and width. We carry shear pin, shear bolt, and splined slip clutch PTO shafts, including the Smooth Bore Shear Pin shaft (SKU 147029-147034) for 5-foot and 6-foot Standard cutters and the Splined Slip Clutch shaft (SKU 147129-147134) for 5-foot and 6-foot Standard and Heavy Duty cutters. Match the shaft length and clutch style to your machine, and call our parts team at (800) 909-7060 if you need help confirming fitment.