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Atlas Copco · Truck or utility mount

XAS 185 KDUTruck mounted rotary screw air compressor

Atlas Copco's XAS 185 KDU is an oil-injected rotary screw compressor with one compression stage, housed in a utility enclosure made for truck decks and delivering 185 cfm at 100 psi. A 49 hp Kubota V2403-CR-E4B diesel meeting Tier 4 Final drives it, and it carries a 25 gal fuel tank.

  • 185 cfm at 100 psi
  • 49 hp Kubota Tier 4 Final
  • Truck deck enclosure
185cfmFlow
100psiPressure

Why the XAS 185 KDU

Features & benefits

Truck mounted rotary screw air compressor.

  • Steel canopy with zinc rich primer, salt spray tested for 1000 hours
  • Unloading pressure up to 125 psi, with minimum working pressure of 58 psi
  • Fuel use of 2.37 gal/hr at full load and 0.93 gal/hr at no load
  • Starts down to -13°F with cold weather options, or 14°F without
  • Single 1-1/4 in NPT air outlet, 4.5 gal receiver and 12 V electrical system

Technical specifications

Models & specs

SpecificationXAS 185 KDU
Actual free air delivery (FAD) (cfm)185
Maximum unloading pressure (psi)125
Minimum working pressure (psi)58
Normal effective working pressure (psi)100
Compression Stages1
Engine Speed (Maximum loaded) (rpm)2,700
Engine Speed (Unloaded) (rpm)1,600
Number of cylinders4
Output at rated speed (2700 rpm) (hp)49
Source: Atlas Copco XAS 185 KDU (product page, web model table), checked September 2026. A HOLT specialist confirms the model and configuration for your application.
HOLT technician checking gauges on a plant compressed air line

Why buy it from HOLT

The machine is half of it.

  • Sized right. AirMaster+ and CAGI certified specialists size the compressor to your demand profile.
  • Installed right. Piping, dryers, controls and commissioning by our own team.
  • Backed 24/7. Texas branches, genuine parts and factory-trained technicians.
  • Built around your site. Need it on a skid, in a classified area or offshore? We package it.

Talk to a specialist

Need industrial air? You need HOLT.

Tell us what you’re running, what you’re producing and where. A specialist responds fast with equipment, a custom build or a service plan that fits.

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