
Caterpillar 2811149 Lower Front Windscreen
Compatibility
The Caterpillar Lower Front Windscreen 281-1149 is a precise-fit replacement window for Caterpillar crawler excavators. It ensures a clear view and safe operation and – like the original – has a green tint.
Made of toughened safety glass (ESG), the front windscreen is designed for long-term use on the construction site and is ideal for maintenance, repair or replacement of a damaged original window.
Technical data
| Height | 368 mm |
| Width | 760 mm |
| Thickness | 4 mm |
| Number of holes | 0 |
| Glass type | Toughened safety glass (ESG) |
| Colour | Green tinted |
| Installation position | Lower front windscreen |
| Machine type | Crawler excavator |
Compatible models
This front windscreen fits the following Caterpillar models (year of manufacture approx. 2006–2014):
303C, 303E, 303.5, 303.5C, 303.5D, 303.5E, 303.5E2, 304, 304C, 304D, 304E, 304E2, 304.5, 304.5E, 305C, 305D, 305E, 305.5D, 305.5E, 305.5E2
OEM / cross-reference numbers
281-1149 / 2811149
Note
Before ordering, please always compare the part number 281-1149 with your existing window to make sure that the front windscreen fits your model exactly.
| Width | 760 mm |
| Height | 368 mm |
| Thickness | 4 mm |
| Number of holes | 0 |
| Glass type | IT G |


