Medium pressure air compressors for rugged performance
Working pressure: 100-225 psi (7-16 bar)
Free air delivery: 300-575 cfm (8.5-16.3 m³/min)
Specification & brochure
CPS 300-100, CPS 370-125, CPS 400-100, CPS 400-150, CPS 450-200, CPS 500-175, CPS 550-150, CPS 500-185, CPS 575-225, CPS 650-100, CPS 610-250, CPS 625-225, CPS 715-175, CPS 680-290, CPS 750-250
Applications
Common applications include construction, mining, tunnelling, abrasive blasting, surface treatment, drilling, & shotcreting
Compact and robust build
Compact footprint makes transport simple, even across rough ground.
Built to last
Lightweight by design, yet tough enough to withstand daily use without compromising performance.
Quick & safe maintenance
Accessible service points and large doors simplify daily checks and regular maintenance.
Reliable compressed air, wherever you need it
Chicago Pneumatic's medium pressure air compressors deliver reliable compressed air wherever it’s needed from tunnelling and mining sites to abrasive blasting and construction projects. These compact diesel air compressors are designed for jobs that demand mobility, efficiency, and control. With a working pressure range of 100-225 psi (7-16 bar) and flow rates ranging from 300-575 cfm (8.5-16.3 m³/min), our diesel-powered air compressors are ideal for a wide range of projects. Each unit features a proven design powered by high-performance engines from respected global brands. Noise reducing enclosures and intuitive control panels make operation quiet and user-friendly, ideal for both urban and remote job sites.
Trusted diesel power
These diesel-powered portable air compressors are equipped with reliable engine from Ashok Leyland, one of the trusted names in industrial performance, delivering robust durability and fuel efficiency. Built to perform in demanding conditions, these air compressors ensure consistent power and long-term dependability, even in remote or rugged locations.
Minimal maintenance, maximum uptime
Designed for easy servicing, these units feature large access doors, grouped service points, and quick-drain systems. Technicians benefit from accessible filters and clear diagnostics, enabling faster maintenance and reducing downtime, so your operations stay productive.
Lightweight and easy to tow
Weighing between 1360-2100 kg, these air compressors are easily towable with standard vehicles. The single-axle frame, adjustable towbar, and balanced weight distribution allow for safe handling and one-person operation, even on uneven terrain.
Industries and applications
Our diesel-powered portable air compressors are built for businesses that demand durability, mobility, and consistent performance in challenging environments. They are widely used across industries such as construction, mining, tunnelling, abrasive blasting, surface treatment, slope stabilization, pilling, foundation drilling, shallow water-well drilling, pigging, and shotcreting.
Technical specifications
| Technical data | Value | CPS 300-100 | CPS 370-125 | CPS 400-100 | CPS 400-150 | CPS 450-200 | CPS 500-175 | CPS 550-150 |
| Working pressure | psi (g) | 102 | 125 | 100 | 150 | 200 | 175 | 150 |
| Free air delivery | cfm | 300 | 357 | 405 | 395 | 450 | 500 | 550 |
| Max. ambient temperature | °C | 50 | ||||||
| Engine | ||||||||
| Engine brand | Ashok Leyland | |||||||
| Engine model | W04D | HA4CTI Inline FIP | ALUW06DTI | |||||
| Engine power at full load | HP | 80 | 111 | 130 | 170 | |||
| Number of cylinders | 4 | 6 | ||||||
| Dimensions | ||||||||
| Box (l x w x h) | mm | 2314x1180x1382 | 2631x1357x1281 | 2985x1504x1641 | ||||
| Box dry weight | kg | 1180 | 1260 | 1260 | 1270 | 1890 | ||
| Undercarriage (l x w x h) | mm | 3305x1680x1983 | 3660x1735x1825 | 3980x1960x1978 | ||||
| Undercarriage dry weight | kg | 1360 | 1440 | 1440 | 1420 | 2100 | ||
| Technical data | Value | CPS 500-185 | CPS 575-225 | CPS 650-100 | CPS 610-250 | CPS 625-225 | CPS 715-175 | CPS 680-290 | CPS 750-250 |
| Working pressure | psi (g) | 185 | 225 | 100 | 250 | 225 | 175 | 250/290 | 204/247 |
| Free air delivery | cfm | 500 | 547 | 650 | 610 | 625 | 715 | 680 | 750 |
| Max. ambient temperature | °C | 50 | |||||||
| Engine | |||||||||
| Engine brand | Ashok Leyland | ||||||||
| Engine model | ALUW06DTI | ALIN6TI | |||||||
| Engine power at full load | HP | 170 | 163 | 126.76 | 280 | ||||
| Number of cylinders | 6 | 6 | |||||||
| Dimensions | |||||||||
| Box (l x w x h) | mm | 2985x1504x1641 | 3294x1632x2273 | ||||||
| Box dry weight | kg | 1890 | 3030 | 3190 | 3190 | ||||
| Undercarriage (l x w x h) | mm | 3980x1960x1978 | 4420x2203x2721 | 3294x1632x2273 | 3294x1632x2273 | ||||
| Undercarriage dry weight | kg | 2100 | 3310 | ||||||
Download the brochure
- Portable diesel air compressors - English 4.4 MB, PDF
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