Doosan compressors we work on
- Portable diesel compressors for construction and tools.
- Higher-pressure portable compressors for drilling.
- Hoses, separators and filters fitted to them.
Portable compressors live hard lives: dust, heat, rough roads and long shifts. On Doosan portables, as on any brand, the engine service, intake filters, separator, oil and the condition of the chassis and hoses decide how reliably the machine starts and delivers air.
Doosan compressor service and repair
We service and repair Doosan compressors on site, as one-off visits or under an annual maintenance contract. Typical work includes:
- Engine service and starting and charging fault diagnosis.
- Compressor oil, filter and separator changes.
- Pressure regulation and inlet valve service.
- Hose, coupling and safety valve inspection.
- Chassis, towbar and tyre checks before mobilisation.
- Overhaul planning for high-hour machines.
Every job is identified by the machine's model and serial number, and ends with a written record of what was checked, measured and replaced. Where a repair would cost more than the machine is worth, we tell you before starting.
Doosan spare parts
We supply air filters, oil filters, separators, compressor oil, engine filters, hoses, valve kits and other parts for Doosan machines. Parts are matched from the nameplate details, model and serial number, the part number on the old part where it is readable, and the machine's running hours. Send a photo of the nameplate and the old part through find my part and we will confirm the match before quoting.
Buying a Doosan compressor, new or used
If you are considering a Doosan machine, we can supply new or used and refurbished units where available, and compare them honestly with other makes for your duty. The choice should follow the pressure, air demand, running hours, air quality and service plan, not the badge.
Hire while your Doosan compressor is down
If your Doosan compressor is out of service for repair or overhaul, a breakdown rental from our fleet of 50 to 2,000 CFM machines can keep the site running until it returns.
Signs your Doosan compressor needs attention
- High discharge temperature or temperature trips: often a blocked cooler, low or degraded oil, a sticking thermostatic valve or a hot, poorly ventilated room.
- Oil in the air lines: commonly a saturated separator, a blocked scavenge line or overfilling.
- Pressure falling under load: demand above capacity, leaks, a blocked intake filter, a worn valve or an unloader fault.
- Frequent loading and unloading: too small a receiver, a narrow pressure band or a leak on the system.
- New noise or vibration: bearing wear, loose mountings, belt or coupling problems. Stop and inspect before it gets worse.
- Water at the point of use: a failed drain, an overloaded or faulty dryer, or no dryer where one is needed.
- Hard starting on a diesel portable: battery, starter, fuel filters or fuel quality.
Write down any alarm code on the controller and the readings at the time. That information often lets us bring the right parts on the first visit.
Questions about Doosan compressors
Will independent service affect my Doosan warranty?
Check your warranty terms before any work is done while the machine is under manufacturer warranty. Some warranties require service by an authorised partner. Once the warranty has ended, or for work the warranty does not cover, an independent multi-brand service provider can maintain the machine. We will ask about warranty status before we start.
Do you fit original Doosan parts?
We can supply original manufacturer parts or quality compatible alternatives. The quotation always states which, so that you can choose with full information.
Can you service the Doosan dryer and filters as well?
Yes. Dryers, line filters and drains are checked as part of the system, because wet or dirty air can cause problems even when the compressor is healthy.
How quickly can you reach my site?
It depends on where the site is and what is already booked. Sites in Hyderabad and Secunderabad are the quickest to reach. When you call, we give you a realistic time.
What to send us
- Model and serial number (nameplate photo).
- Running hours.
- The fault or the service due, with any controller alarm codes.
- Site location.
Call +91 99590 60718 or +91 92468 88812, email reddycompressors@gmail.com, or use the service enquiry. See also all brands we support.
Doosan is a trademark of its owner. Reddy Compressors is an independent multi-brand compressor business and is not an authorised Doosan distributor, dealer or service partner unless this is stated in writing for a specific product. Where we supply parts, the quotation states whether they are original manufacturer parts or compatible alternatives.