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BackHomeEngineEngine ComponentsEngine Mounts & SupportsIsolation Mounts & Components305-4339: Two Piece Asymmetric Isolation Mount
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EngineEngine ComponentsEngine Mounts & SupportsIsolation Mounts & Components305-4339: Two Piece Asymmetric Isolation Mount
305-4339: Two Piece Asymmetric Isolation Mount
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305-4339: Two Piece Asymmetric Isolation Mount
Cat® Isolation Mount for Cab and Rop Guards
Brand: Cat
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Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
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Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Need More Help? Contact Us
Find a DealerEmail
Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Need More Help? Contact Us
Find a DealerEmail
Parts diagram for 305-4339
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Description for part number 305-4339
Description: Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise).
Two-Piece Mounts are extremely versatile and are available in symmetrical (two mounts) and non-symmetrical (mount plus pad) designs. They are installed into a bore on a support plate, and are bolted through a center sleeve, which may be bonded or loose.
Attributes: Cat® Mounting Systems are designed to reduce stress and strain on mounted components to increase their durability and performance life, and to contribute to operator comfort. The entire system (mount design, material selection, placement, hardware, etc.) is optimized and validated to meet specific application requirements.
Two-Piece Mounts are finely tuned to the specific application through rubber composition and design geometry. The mounts are typically precompressed to offer long service life.
Applications: Two-piece Mounts are used in a wide variety of Cat system installations, including engines, transmissions, aftertreatment systems, electronics, cabs and HVAC systems, hydraulic components, and structures.
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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 305-4339
Units of Measure
USMetric
Head Outside Diameter (mm): 64.8
Pilot Outside Diameter (mm): 40.2
Mount Height (in): 2.43
Material: Carbon Steel,Oil Fluid
Head Outside Diameter (in): 2.55
Inside Diameter (mm): 17.2
Pad Height (mm): 22.8
Head Thickness (mm): 22.8
Head Thickness (in): 0.9
Pilot Outside Diameter (in): 1.58
Bonded Sleeve: Yes
Inside Diameter (in): 0.68
Pad Height (in): 0.9
Mount Height (mm): 61.8
Standard Bolt Size (mm): M16
Mount Type: Two-Piece - Non-Symmetric
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Compatible Models for part number 305-4339
MULTI TERRAIN LOADER
257D 277D 277C 287D
COMPACT TRACK LOADER
259D 289D 279D
MINI HYD EXCAVATOR
301.5
SKID STEER LOADER
246D 236D 242D 262D
View More
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 305-4339
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 305-4339
Description: Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise).
Two-Piece Mounts are extremely versatile and are available in symmetrical (two mounts) and non-symmetrical (mount plus pad) designs. They are installed into a bore on a support plate, and are bolted through a center sleeve, which may be bonded or loose.
Attributes: Cat® Mounting Systems are designed to reduce stress and strain on mounted components to increase their durability and performance life, and to contribute to operator comfort. The entire system (mount design, material selection, placement, hardware, etc.) is optimized and validated to meet specific application requirements.
Two-Piece Mounts are finely tuned to the specific application through rubber composition and design geometry. The mounts are typically precompressed to offer long service life.
Applications: Two-piece Mounts are used in a wide variety of Cat system installations, including engines, transmissions, aftertreatment systems, electronics, cabs and HVAC systems, hydraulic components, and structures.
View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 305-4339
Units of Measure
USMetric
Head Outside Diameter (mm): 64.8
Pilot Outside Diameter (mm): 40.2
Mount Height (in): 2.43
Material: Carbon Steel,Oil Fluid
Head Outside Diameter (in): 2.55
Inside Diameter (mm): 17.2
Pad Height (mm): 22.8
Head Thickness (mm): 22.8
Head Thickness (in): 0.9
Pilot Outside Diameter (in): 1.58
Bonded Sleeve: Yes
Inside Diameter (in): 0.68
Pad Height (in): 0.9
Mount Height (mm): 61.8
Standard Bolt Size (mm): M16
Mount Type: Two-Piece - Non-Symmetric
View More
Compatible Models for part number 305-4339
MULTI TERRAIN LOADER
257D 277D 277C 287D
COMPACT TRACK LOADER
259D 289D 279D
MINI HYD EXCAVATOR
301.5
SKID STEER LOADER
246D 236D 242D 262D
View More
KeyKey
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.
