Xtreme PTO Clutch
Ariens 04387900
REPLACES OEM
Ariens 04387900, 4387900
Gravely 04387900, 4387900
FITS MODELS
Ariens 915131, 915141, 915143, 915151, 915155, 915157, 915159, 915161, 915169, 915171, 915322, 915323, 991085, 991086 and 991087
Gravely 915131, 915141, 915143, 915151, 915155, 915157, 915159, 915161, 915169, 915171, 915322, 915323, 991085, 991086 and 991087
SPECS
Does not fit all applications - Verify part number by referring to model specifications
Heavy Duty "FatBoy Series" Upgrade
High Torque Cool Coil Upgrade
Integrated Water Tight Wire Harness
Replaceable Pulley Bearing
Super Smooth "Xtreme Precision" Machined Pulley
To prevent premature clutch failure, follow the instruction sheet included with the clutch
Belt Width: 1/2" or 5/8"
ID: 1"
Pulley Diameter: 6"
Rotation Direction: Counter Clockwise
Make Sure It Fits!
Double-check your equipment manual and model number to be sure this part is the right one. It only takes a minute and can save you the hassle of returns. Not sure? No problem! Reach out to us — we’re happy to help you find the right part.


