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Air Compressors

Sullair 425 Portable Compressor.

High-output portable air for civil works, industrial maintenance and demanding remote-site compressed-air applications..

425 cfmAir delivery
5.5–8 barPressure range
96 kWDiesel power
2,014 kgWet towable weight
Sullair 425 Portable Compressor (placeholder image)

Australia Wide Delivery

Fast and reliable.

Expert Support

Technical advice from selection to commissioning.

Serviced & Maintained

Backed by Kirbtech’s experienced service team.

Built for Tough Sites

Designed for demanding industrial applications.
Overview

High-output portable air. Reliable by design.

The Sullair 425 delivers 425 acfm (12.0 m³/min) at 125 psi (8 bar), with an adjustable 80–125 psi range for changing site requirements.

Its liquid-cooled Caterpillar 3054C Tier 2 diesel engine provides 96 kW at 2200 rpm, supported by dynamic flow boost and 0 to 100% capacity control.

Large service doors, a removable modular canopy, heavy-duty towable running gear and the SSAM shutdown system support reliable operation, practical mobility and simpler maintenance.

  • 425 acfm air delivery
  • 5.5–8 bar working-pressure range
  • 96 kW Caterpillar 3054C Tier 2 diesel engine
  • Dynamic flow boost
  • 2,014 kg wet towable weight
  • Removable modular canopy
  • SSAM shutdown protection
  • Adjustable-height towable running gear
Sullair 425 Portable Compressor (placeholder image)
Specifications & Performance

Rated performance

Rated operating data for the supplied Sullair 425 towable portable compressor.

Performance itemRated value
Free air delivery425 acfm / 200 L/s
Metric air delivery12.0 m³/min
Rated pressure8 bar / 125 psi
Pressure range5.5–8 bar / 80–125 psi
Rated engine speed2200 rpm
Rated engine power129 hp / 96 kW
Noise level76 dB(A) at 7 m

The supplied Sullair 425 flyer identifies a portable rotary screw compressor with 0 to 100% capacity control and dual-pressure selection without mechanical adjustment.

Technical specifications

Key machine data.

ConfigurationTwo-wheel towable or less-running-gear package
Compressor typePortable rotary screw compressor
Engine manufacturerCaterpillar
Engine model3054C Tier 2 diesel
Engine typeLiquid-cooled four-cylinder diesel
Rated engine power96 kW / 129 hp at 2200 rpm
Engine displacement4.4 L / 269 in³
Bore and stroke106 × 127 mm
Control panelCurbside panel with pressure gauge, hourmeter and high/low selector
Capacity control0 to 100% with pneumatic inlet valve
Towable dimensions3966 × 1960 × 1880 mm including drawbar
Towable weight2014 kg wet / 1837 kg dry
Canopy dimensions2510 × 1960 × 1880 mm
Noise level76 dB(A) at 7 m
Track width1715 mm
Tyre size225/75D15
Less-running-gear dimensions2510 × 1506 × 1616 mm
Less-running-gear weight1903 kg wet / 1726 kg dry
ProtectionSSAM shutdown system with annunciation and low-fuel shutdown
  • Actual run time will vary based on load and operating conditions.
Features & Benefits

Dual-Pressure Control

A high/low selector changes the operating pressure without mechanical adjustment.

Dynamic Flow Boost

Additional flow performance supports demanding pneumatic tools and changing site loads.

Easy Service Access

Large service doors place the fuel tank, filters, coolers and key components within practical reach.

Modular Canopy

The removable multi-piece canopy simplifies major service and helps reduce replacement costs.

SSAM Protection

Automatic shutdown and annunciation protect against critical engine, compressor and low-fuel conditions.

Three-Stage Filtration

Separate dry-type filters help protect the engine and compressor air systems.

Towable Running Gear

An adjustable hitch, E-Z lube axle, transport chains and leaf-spring suspension support practical site moves.

Quiet Operation

The enclosure meets the stated 76 dB(A) sound requirement measured at seven metres.

Need help choosing the right equipment?

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Delivery & Site Setup

We can deliver directly to you.

Service & Support

Ongoing servicing, maintenance and technical support.