Shields CAT C Series 1/2" Polycarbonate Door
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.
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.
About the Product
Product Features
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. 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
SHIELDS
SHIELDS stands at the forefront of innovation in cab enclosure systems, replacement doors, and heavy-duty forestry doors—purpose-built for the most demanding industrial and off-road environments. Proudly designed, engineered, and manufactured in Indiana, USA, SHIELDS products are trusted by professionals who demand performance, safety, and reliability. At the core of SHIELDS' superior product line is the proprietary SUPERCOAT™ hard-coat technology, which delivers unmatched durability, scratch resistance, and water-repellent capabilities—outlasting standard window treatments and eliminating the need for constant replacements. Whether it's protecting operators in the field or enhancing the longevity of machinery, SHIELDS provides a rugged solution built to perform day in and day out.
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 PolicyAt 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 PolicyWe 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