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Key Features
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Two-stage design with 2 inline cylinders for reliable, efficient compression
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Sized for motors operating at 5-7.5 HP, matching common shop compressor setups
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2 quart oil capacity supports proper lubrication for sustained operation
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16.875 in outside diameter flywheel sized for common compressor tank configurations
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Ideal for rebuilding a failed pump or completing a custom compressor build
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Built to CASTAIR's industrial engineering standards for durability
How It Compares
How The CASTAIR 5-7.5 HP Replacement Pump Compares To The 7.5-10 HP Version
Shop owners rebuilding a compressor usually face this question: should I get this 2-cylinder inline pump matched to 5-7.5 HP motors, or the larger V4 cylinder pump built for 7.5-10 HP motors?
| Feature | CASTAIR Pump, 5-7.5 HP, Inline 2-Cylinder | CASTAIR Pump, 7.5-10 HP, V-Style 4-Cylinder |
|---|---|---|
| Cylinder Configuration | Inline, 2 cylinders | V-style, 4 cylinders |
| Motor Compatibility | 5-7.5 HP | 7.5-10 HP |
| Flywheel Diameter | 16.875 in | 19.0 in |
| Best Suited For | Rebuilding or matching a 5-7.5 HP compressor | Rebuilding or matching a 7.5-10 HP compressor |
Product Description
The CASTAIR 2-stage reciprocating air compressor pump features 2 inline cylinders and has a 2-quart oil capacity. This pump is made for motors operating at 5-7.5 HP. The pump’s flywheel has a 16.875-In. outside diameter.
- For use with 5-7.5HP motors
- Two stage pump with 2 inline cylinders
- 2 quart oil capacity
- 16.876-In. outside diameter flywheel
Full Spec Sheet
| Model | GWG311295 |
| Motor Compatibility | 5-7.5 HP |
| Pump Stage | Two-stage, reciprocating |
| Cylinders | 2, inline configuration |
| Oil Capacity | 2 quart |
| Flywheel | 16.875 in outside diameter |
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