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Portable Silent Box Compressor 49HP 185CFM - ROTAIR DS 53 K


30 days non ecommerce product

30 days moneyback guarantee.
100% Australian Owned & Operated

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  • Blue Diamond M... Blue Diamond Machinery Welshpool, WA...

ROTAIR 185 CFM DS 53 K Portable Silent Box Diesel Air Compressor

The new modern and streamlined look of ROTAIR portable compressors with compact dimensions for handling ease, whilst at the same offering high performance levels. Build tough and reliable for the demanding Australian conditions. 50c ambient for extreme operating conditions. Machines can be ordered on Skid Mount or on Trailer.

New Kubota V2403 Tier 4 Final Diesel Engine provides quiet and efficient power while not requiring a costly DPF System.

One-Side Service Design with Spin-On Oil and Separator Filters for ease of maintenance

Low-Speed Air-End spins at a maximum of 2600 rpm, reducing heat and virtually eliminating rotor and bearing failures.

Curbside Mounted Control Panel, Adjacent Air Valves and Fluid Drains provide convenient operation and maximum operator safety.

88 Litre Steel Fuel Tank provides for more than a full shift of run time and resists cracking, splitting and deformation.

Automatic load and unload feature prevents accidental loaded shutdown and blowback

Industry leading compact design measures only 1,753mm x 838mm x 1,092 mm.

Blue Diamond Machinery are an exclusive ROTAIR distributer in Australia.


Please download ROTAIR Product PDF for more information.

Compressor Specifications

  • Free Air Delivery (Lt/min)- 5,200
  • Free Air Delivery (CFM)- 185
  • Operating Pressure (bar)- 7
  • Operating Pressure (psi)-102
  • Transmission Motor-Screw Unit- Direct Drive
  • Air End Operating Speed (RPM): 2600
  • Air Intake Filtering: Dry Type Element
  • Separator Filter: Spin-on
  • Oil SupplyFilter: Spin-on

Engine Specifications

  • Engine Model: Kubota V2403
  • Cylinders: 4
  • Displacement: 2434 cc
  • Cooling: Liquid
  • Maximum Speed (rpm): 2700
  • Maximum Speed (Idle) (rpm): 1600
  • Air Intake system: 2 - stage dry
  • 49 HP
  • Full Load Fuel Consumption: 10:6 L/Hr
  • Average Fuel Consumption: 6.4 L Hr @ 60%
  • EPA Filter: 4 Tier Interim

General Specifications & Dimensions

  • Fuel Tank Capicity: 88 L
  • Electrical System: 12 Volt
  • Length (mm): 1,753
  • Width (mm): 838
  • Height (mm) 1,092
  • Dry Weight: 890 KG


5 Year unlimited Hour Air-End/Drive Coupling Warranty. Diesel Engine 2 year/1000hrs.


We can ship direct to you Australia wide. Alternatively, you can pick up from one of our sales offices located in Perth or Melbourne.

Air Compressor Key Features

  •  “Intelligent System”- enables a pre-heating of the engine without overloading it, the air end will start working only when the perfect conditions are reached.
  • Fuel Saving System- when the compressed air is not required, the system allows to compress air at a much lower thus saving fuel consumption significantly. Up to 20% in fuel saving!
  • Easy Maintenance- Clean and easy layout for quick and efficient maintenance and control
  • Control Board- complete and fully functional using a “NO KEY” system. So that no keys are needed for internal access to the unit and for its ignition.
  • Made in Europe- Engineered and manufactured in Europe using top quality materials. Direct coupled, no gearbox.

Contact Us

It's important to ensure you select the right air compressor for your needs. So if you have any questions or need some help please do not hesitate to call us on 1300 998 647

Compressor Servicing

Blue Diamond Machinery also provides comprehensive range of air compressor servicing, preventative maintenance and compressor repair services across Perth, WA. With over 25 years of experience servicing all types of compressors our service team ensure minimum downtime, quality and reliability on all compressor service and repair work.

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