Overview

This Stens Electric PTO Clutch will replace Gravely 0389900 and have a one year warranty and is maintenance and adjustment free.

Electric PTO Clutch for Gravely Mowers

Electric PTO Clutch
USD $367.73
  • SKU: 255-319
Electric PTO Clutch
USD $426.54
  • SKU: 255-323
Electric PTO Clutch
USD $397.95
  • SKU: 255-331
Electric PTO Clutch
USD $230.97
  • SKU: 255-511
PTO Clutch
USD $247.77
  • SKU: 255-515
Electric PTO Clutch
USD $426.78
  • SKU: 255-519
Electric PTO Clutch
USD $461.38
  • SKU: 255-627
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Prices are in US Dollars.

Overview

This Stens Electric PTO Clutch will replace Gravely 0389900 and have a one year warranty and is maintenance and adjustment free.

Product Description

These Stens Electric PTO Clutches are OEM spec and replace Gravely PTO Clutches. They are designed for rugged use and made for residential and commercial applications. Stens PTO clutches have a 1 Year Warranty and are maintenance and adjustment free.

You must match up your existing PTO Clutch reference number exactly to the corresponding replacement Electric PTO Clutch. For proper ordering reference Gravely, Warner, or Ogura Part No. below.

Part # Replaces Gravely OEM Replaces
Warner #
ID Height Pulley
Diameter
Direction Uses
Belt Width
255-319 0054300 / 00554300 / 00574100 /
554300 / 574100
5218-27
5218-69
1" 3 13/16" 4 7/8" Clockwise 1/2"
255-323 03450500 / 050236 5210-34
5210-50
5215-88
1" 3 1/2" 5 3/8" Clockwise 1/2"
255-331 092026 / 092080 / 092254 /
09225400
5218-10
5218-223
1 1/8" 3 1/4" 5 3/8" Counterclockwise 1/2" or 5/8"
255-511 03643100 5217-6
5217-7
5217-9
5217-35
1" 3" 5 3/8" Counterclockwise 1/2" or 5/8"
255-515 03601800 5217-2
5217-40
5217-46
1" 3" 5 3/8" Counterclockwise 1/2"
255-519 03090800 / 30908 5210-52
5215-62
5215-120
1 1/8" 3 3/4" 5" Clockwise 1/2"
255-627 00389900 / 09208000 / 09232700 /
09266700
5218-31
5218-94
5218-169
1 1/8" 3 1/4" 6" Counterclockwise 1/2" or 5/8"

Important:

If a clutch is mounted incorrectly then the springs will be run in compression and it will cause the springs to fail.

Generally, most applications that mount directly to the crankshaft use a counter clockwise rotation for standard mount (pulley away from engine). A clockwise rotation is normally used for reverse mounting (pulley towards engine).

In order for your PTO clutch to be installed properly you must torque correctly to prevent premature failure. You must allow both axial and radial free-play on the anti-rotation device. You must allow this free-play or resistance will be created resulting in field bearing failure.

When mounting bolt and retaining washer and torque for the clutch follow these specs. for it to work properly.

  1. Use Grade 5 or Grade 8 bolt only

Minimum Torque:

  1. 7/16" UNF bolt is 50ftlb/67 Nm
  2. 3/8" UNF bolt is 31ftlb/42 Nm
  3. M10x1.5 bolt is 35ftlb/48 Nm

Anything less than required mounting torque could result in clutch failure, thus voiding warranty.