Overview

Stens Electric PTO Clutches for Jacobsen Mowers are designed for rugged and commercial use and made by an OEM supplier.

Electric PTO Clutch for Jacobsen Mowers

Electric PTO Clutch
USD $294.81
  • SKU: 255-339
Electric PTO Clutch
USD $377.13
  • SKU: 255-455
Electric PTO Clutch
USD $426.78
  • SKU: 255-519
Electric PTO Clutch
USD $364.08
  • SKU: 255-535
Electric PTO Clutch
USD $375.34
  • SKU: 255-547
Electric PTO Clutch
USD $474.01
  • SKU: 255-552
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Prices are in US Dollars.

Overview

Stens Electric PTO Clutches for Jacobsen Mowers are designed for rugged and commercial use and made by an OEM supplier.

Product Description

These Stens Electric PTO Clutches are OEM spec and replaces Jacobsen PTO Clutches. They are designed for rugged use and made for residential and commercial applications. These PTO clutches have a One 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 Jacobsen & Warner Part No. below in the chart.

Item # Replaces
Jacobsen #
Replaces
Warner #
ID HT Pulley
Dia.
Direction Uses Belt
Width
255-339 2721110 5219-18 1" 3 5/16" 7 5/16" Counter Clockwise 5/8"
255-455 2722016 5219-14 1 1/8" 3 13/32" 6 5/16" Clockwise 5/8"
255-519 C38410 5210-52 / 5215-62 / 5215-120 1 1/8" 3 3/4" 5" Clockwise 1/2"
255-535 2188151 5218-5 / 5218-70 / 5218-259 1 1/8" 3 1/4" 6 5/16" Clockwise 5/8"
255-547 990947
5210-33 / 5215-59 1" 3 1/2" 5 11/32" Counter Clockwise 1/2"
255-552 2721337 5218-65 / 5218-65E / 5218-213 1 1/8" 3 5/8" 6 5/16" Clockwise 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.

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