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Estimated shipping only — your final shipping cost is confirmed at checkout.
The SHIELDS CAT D Series Polycarbonate Skid Steer Windshield is a formed replacement for CAT glass #345-6230. Designed for supported CAT D Series skid steer, compact track, and multi terrain loaders, it follows the curved factory windshield profile and is machined to match the original mounting points and hardware.
Available in 1/4″, 3/8″, and 1/2″ polycarbonate, with a 50% tint option in 1/2″, each windshield is coated on both sides with SHIELDS SUPERCOAT for abrasion resistance, UV protection, and continued windshield-wiper use. The 1/2″ version also includes the SHIELDS Seal gasket already installed.
- Polycarbonate Replacement for Factory Glass: Replaces CAT glass #345-6230.
- CAT D Series Fitment: Designed for supported D Series skid steer, compact track, and multi terrain loaders.
- Three Thickness Options: Available in 1/4″, 3/8″, and 1/2″.
- 1/2″ Tint Option: Available with 50% light transmission.
- SHIELDS Seal on 1/2″: The 1/2″ windshield arrives with the gasket already installed.
- SUPERCOAT on Both Sides: Helps resist abrasion, UV exposure, and hazing.
- Windshield-Wiper Compatible: Coated for continued use with the factory windshield wiper.
- Curved Factory-Style Profile: Formed to match the shape of the original CAT windshield.
- Machined for Factory Mounting Points: Built around the existing mounting locations for straightforward installation with the supported factory setup.
- Material: Polycarbonate
- Replaces CAT Glass: #345-6230
- Thickness Options: 1/4″, 3/8″, 1/2″
- Tint: Available in 1/2″
- Tint Light Transmission: 50% LTM
- Coating: SHIELDS SUPERCOAT on both sides
- Windshield Profile: Curved
- Windshield Wiper Compatible: Yes
- Original Hardware Reuse: Yes
- Additional Hardware Required: No
- 1/2″ Gasket: SHIELDS Seal installed
What CAT glass does this windshield replace?
This windshield replaces CAT glass #345-6230.
How do I confirm this is the correct windshield for my CAT D Series machine?
Verify that your existing windshield corresponds to glass #345-6230 and compare its shape and mounting configuration with the product photos before ordering. A D Series model designation alone does not guarantee the windshield configuration.
What thicknesses are available?
Choose from 1/4″, 3/8″, or 1/2″ polycarbonate.
Is tint available?
Yes. Tint is available with the 1/2″ windshield.
How dark is the tint?
SHIELDS specifies the tinted polycarbonate at 50% light transmission.
Is the tint an applied film?
No. The polycarbonate material itself is tinted rather than using an applied film.
What is the SHIELDS Seal?
The 1/2″ windshield comes with the SHIELDS gasket already installed while retaining the drop-in replacement design.
Do the 1/4″ and 3/8″ versions include the SHIELDS Seal?
No. The SHIELDS Seal is specifically used with the 1/2″ windshield.
Can I continue using my windshield wiper?
Yes. SUPERCOAT is applied to both sides for abrasion resistance during normal windshield-wiper use and cleaning.
Can I reuse the original hardware?
Yes. The windshield is formed and machined around the supported factory mounting locations so the original hardware can be reused.
Is this windshield ballistic-rated or certified for operator protection?
No. This windshield does not carry a ballistic rating or a guarantee of bodily protection for a particular application.
Note: Compatibility depends on your CAT D Series machine using glass #345-6230. Always verify the glass #, windshield shape, and mounting configuration before ordering. A model appearing below does not guarantee compatibility with every configuration.
Common Compatible Machines
CAT Skid Steer Loaders: 226D, 226D3, 232D, 232D3, 236D, 236D3, 242D, 242D3, 246D, 246D3, 262D, 262D3, 272D, 272D XHP, 272D2, 272D2 XHP, 272D3, 272D3 XE
CAT Compact Track Loaders: 239D, 239D3, 249D, 249D3, 259D, 259D3, 279D, 279D3, 289D, 289D3, 299D, 299D XHP, 299D2, 299D2 XHP, 299D3, 299D3 XE
CAT Multi Terrain Loaders: 257D, 257D3, 277D, 287D, 297D, 297D XHP, 297D2, 297D2 XHP
SHIELDS manufacturer warranty applies to qualifying manufacturing defects according to the manufacturer’s current warranty terms. Inspect the windshield and confirm fitment before installation or use.
Upgrade factory glass to polycarbonate.
Replace CAT glass #345-6230 with formed, coated polycarbonate designed around the original windshield profile, mounting points, and factory hardware.
Choose the thickness that fits your application.
Select from 1/4″, 3/8″, or 1/2″ polycarbonate, with a 50% tinted option available in 1/2″.
Keep using your windshield wiper.
SUPERCOAT helps resist abrasion during normal windshield-wiper use and cleaning while helping protect against UV-related hazing.
Simplify the 1/2″ installation.
The 1/2″ windshield arrives with the SHIELDS Seal gasket already installed while retaining the drop-in replacement design.
- CAT D Series skid steer loaders
- CAT D Series compact track loaders
- CAT D Series multi terrain loaders
- Replacing CAT glass #345-6230
- Upgrading factory glass to coated polycarbonate
- Machines retaining the factory windshield wiper
- Applications needing 1/4″, 3/8″, or 1/2″ polycarbonate
- Operators wanting clear or 50% tinted 1/2″ polycarbonate
Why buy from ECHO Eqpt?
At ECHO Eqpt, we actually use and support the equipment we sell. You’re not getting generic answers, you are talking to people who understand how this equipment works in the field. That means faster answers, better recommendations, and no wasted time trying to figure things out on your own.
We’re easy to work with. If something breaks, tell us what actually happened and be honest with us (a good sense of humor doesn’t hurt either). We’re often known to help out even outside of standard warranty terms. And if it’s on us, we’ll own it and make it right. No excuses, no finger pointing - just real support when it matters.

















