A friction slip clutch can seize after a winter outside. Follow the maker’s procedure for loosening and resetting it before the first cut.
Clear wrapped wire
Wire and vines wrapped around the output shaft cut seals; clear them and recheck the gearbox level.
Fluids by compartment.
Confirm the fluid type, grade, and specifications in the rotary cutter (brush hog) maker’s manual before ordering. These examples are not a fitment result for a specific machine.
Gearbox
Cutter gearboxes list a gear oil, often an 80W-90 or 85W-140 EP grade; a few use a semi-fluid grease. Check the maker’s spec and fill to the level plug.
Shop AMSOIL directly with Jeff’s dealer number already attached, or open a business account. AMSOIL handles pricing, checkout, and shipping. If you contact AMSOIL another way, give them dealer number 30734402.
Prefer to talk it through? Email Jeff at [email protected] with your equipment, the fluid now in use, and your approximate volume.
Frequently asked questions
What oil goes in a brush hog gearbox?
The gear oil the cutter maker lists, commonly an 80W-90 EP gear oil.
How often should a rotary cutter driveline be greased?
Every 8 hours is common; follow the decal and manual.
General maintenance information. Always follow the equipment maker’s requirements and the current product data. Product availability, pricing, and account terms are set by AMSOIL.