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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
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In the undercarriage systems of Cat® excavators, dozers, and compact track loaders (CTLs), key sealing components include:
Cat® Seals: Prevent fluid leaks and block contaminants.
Duo-Cone Groups: Heavy-duty seals for rotating components like final drives and rollers.
O-Rings: Simple seals for hydraulic and oil systems.
Toric Rings: Enhanced seals for high-pressure or dynamic applications.
Benefits:
Why Buy Sealing Components from Caterpillar?
Cat sealing components are engineered for precision, durability, and long-term protection in the harshest undercarriage environments.
Why Choose Cat:
Bottom Line: Cat sealing components can help keep your undercarriage systems protected and performing, so your machines stay productive, efficient, and ready for any terrain.
Cat® Ring-Sealing 12.7mm Cross Section Diameter, 224.9mm Inside Diameter
Cat
Applications
Ambient temperature fuel handling; High and low pressure LPG service; Hydraulic fluids; Power steering seals; Radiator thermostat seals
Not Compatible With
Automotive and aircraft brake fluids; High levels of ozone; Ketones; Phosphate ester fluids; UV Light
Material
NBR (60),NBR - Nitrile,Nitrile / NBR / HNBR / XNBR Rubber
Compatible With
Alpha-Olefin base synthetic lubricants; Ethylene Glycol; Petroleum base lubricants; Silicone oils and greases; Water, water base engine coolants
Inside Diameter (in)
8.85
Temperature (°F)
-40 - 212
Material Description
NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Cross Section Diameter (in)
0.5
Cat® Ring-Sealing 12.7mm Cross Section Diameter, 184.95mm Inside Diameter
Cat
Material Description
Silicone performs well in a wide range of temperatures -- from extremely low to moderately high -- and is excellent in Air applications. It is also compatible with Engine Oil. It has limited strength and abrasion/cut resistance, so it is better in low pressure applications. Silicone should not be used with Diesel Fuel, Coolant/Urea, Hydraulic Oil, Automatic Transmission Fluid or Biodiesel.
Notes
Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Material
VMQ - Silicone,Silicone / MQ / VMQ / PMQ Rubber
Cross Section Diameter (in)
0.5
Inside Diameter (in)
7.28
Cat® Ring-Thrust Mstr
Cat
Material
Low Alloy Steel,Alloy Steel
Cat® Track Seal 7.15mm Outside Diameter
Cat
Material
Carbon Steel
Inside Diameter (in)
2.559
Outside Diameter (in)
2.811
Cat® Seal Gp-Duo Cone 113.75mm Assembled OD, 35.6mm Axial Width
Cat
Cat® Track Seal 51.6mm Outside Diameter
Cat
Material
Carbon Steel
Inside Diameter (in)
1.811
Outside Diameter (in)
2.031
Cat® Seal Gp-Duo Cone 137.57mm Assembled OD, 33mm Axial Width
Cat
Cat® Track Seal 72.64mm Outside Diameter
Cat
Inside Diameter (in)
2.535
Shoe Type
Double Grouser, Center Punched
Outside Diameter (in)
2.86
Cat® Seal Gp-Duo Cone (Class C) 96.38mm Assembled OD, 72.81mm Seal Ring ID, 32mm Axial Width
Cat
Cat® Track Seal 61.9mm Outside Diameter
Cat
Material
Carbon Steel
Inside Diameter (in)
2.185
Outside Diameter (in)
2.437
Cat® Seal Gp-Duo Cone 399.7mm Assembled OD, 366.5mm Seal Ring ID, 38mm Axial Width
Cat
Seal Type
Duo Cone Seal
Primary Sealing Material
Rubber
Inside Diameter (in)
14.43
Outside Diameter (in)
15.74
Width (in)
1.5
Material
Carbon Steel
Cat® Track Seal 66.85mm Outside Diameter
Cat
Material
Nitrile / NBR / HNBR / XNBR Rubber
Inside Diameter (in)
1.25
Outside Diameter (in)
2.632
Cat® Seal Gp-Duo Cone 106.18mm Assembled OD, 35.6mm Axial Width
Cat
Cat® Seal Gp (Class C) 96.41mm Assembled OD, 72.77mm Seal Ring ID, 32mm Axial Width
Cat
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