291-9931: Idler Group

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Cat® Idler Group Standard Application, 203.5mm Rim Width, Interchangeable, 688.8mm Tread Diameter, Conventional Tread

Brand: Cat

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291-9931: Idler Group

Cat® Idler Group Standard Application, 203.5mm Rim Width, Interchangeable, 688.8mm Tread Diameter, Conventional Tread

Brand: Cat

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Frequently bought together

291-9931

197-9679

346-2861

View All Parts

Frequently bought together

291-9931: Idler Group

197-9679: Track Segment

346-2861: 10mm Block Support Wear Plate

346-2862: 400mm Long Idler Wear Plate

550-0278: Track Roller Group

551-2067: Track Roller Group

Diagram

Description

Specifications

Compatible Models

Parts diagram for 291-9931

Specifications for part number 291-9931

Units of Measure

Metric

Diameter (mm):

728.8

Application:

Standard Application

Flange Diameter (mm):

728.0

UC System:

HYBRID,GD,HDXL

Idler Rim Width (mm):

203.5

Shaft Protrusion Length (in):

2.676

Undercarriage Width (mm):

450.0

Idler Rim Width (in):

8.012

Shaft Protrusion Length (mm):

67.97

Machine Side:

Interchangeable

Bolt Size (mm):

3/8

Flange Diameter (in):

28.7

Tread Diameter (in):

27.118

Flange Type:

Center Flange

Center Flange Width (mm):

100.5

Tread Type:

Conventional Tread

Tread Diameter (mm):

688.8

Bolt Size (in):

3/8

Center Flange Diameter (in):

28.693

Center Flange Width (in):

3.957

Shaft Length (in):

17.717

Center Flange Diameter (mm):

728.8

Shaft Length (mm):

450

Shaft Diameter (mm):

68.0

Shaft OD (mm):

111.9

Shaft OD (in):

4.406

Compatible Models for part number 291-9931

TRACK LOADER

973D 973 973K

Compare Alternate Parts

Shaft Protrusion Length (in)

Idler Rim Width (in)

Flange Diameter (in)

Description

291-9931: Idler Group

2.676

8.012

28.7

Cat® Idler Group Standard Application, 203.5mm Rim Width, Interchangeable, 688.8mm Tread Diameter, Conventional Tread

309-1281: Idler Group

2.676

8.012

28.7

Cat® Idler Group High Temperature Application, 203.5mm Rim Width, Interchangeable, 688.8mm Tread Diameter, Conventional Tread

Key

Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced