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About the Product

Product Features

The Caterpillar Polycarbonate Replacement Door offers 260x the strength of glass at half the weight, providing superior protection against flying debris, rocks, and branches. This 1/2" thick, impact-resistant door seamlessly replaces OEM glass using factory mounting holes and seals—no extra hardware needed. Featuring Supercoat™ technology for abrasion resistance and long-lasting clarity, it also reduces noise, improves insulation, and enhances light transmittance for a more comfortable cab environment. Ideal for brush clearing, mulching, and mowing, this upgrade ensures maximum durability, visibility, and efficiency in tough job site conditions.

  • Impact-Resistant Strength – 260x stronger than OEM glass for maximum protection.
  • Lightweight Design – 50% lighter than standard glass for improved handling and installation.
  • Enhanced Insulation – Reduces noise and improves temperature control inside the cab.
  • Crystal-Clear Visibility – Increased light transmittance for a better field of view.
  • Abrasion-Resistant – Supercoat™ on both sides prevents scratches and wear.
  • Easy OEM Replacement – Uses existing factory seals, mounting holes, and hardware.
  • 1/2″ Thick Polycarbonate – Designed for heavy-duty performance in extreme conditions.

Product Specs

Model

FIN-H-522

FIN-H-522-T

Dimensions

48"x34"x6"

48"x34"x6"

Weight

31lbs

31lbs

Glass #

258-4071 & 380-9966

258-4071 & 380-9966

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Purchase Summary


1/2″ Polycarbonate
OEM Glass Replacement
Scratch Resistant

The CAT Polycarbonate Replacement Door offers 260x the strength of glass at half the weight, providing superior protection against flying debris, rocks, and branches. This 1/2″ thick, impact-resistant door seamlessly replaces OEM glass using factory mounting holes and seals—no extra hardware needed. It also reduces noise, improves insulation, and enhances light transmittance for a more comfortable cab environment. Ideal for brush clearing, mulching, and mowing, this upgrade ensures maximum durability, visibility, and efficiency in tough job site conditions.

$824.91$924.30

Qty

Our warranty policy lasts 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.

Warranty Policy

At Forge Attachment Company, we strive to provide efficient and reliable shipping for all our heavy equipment attachments. Please read the following shipping policy to understand how your order will be processed and delivered.

Shipping Policy

We understand that sometimes products may not meet expectations or requirements. To ensure a positive shopping experience, we’ve outlined our Refunds & Returns Policy.

Returns Policy