Five Forms of Power for Light to Medium Industrial RepairAir Compressor | Generator | Welder | Battery Booster | Battery Charger

The Air N Arc® 250 provides you with five forms of power in one machine. Offering 250 amps of welding capabilities and a 2-stage reciprocating air compressor for the pressure you need to get the job done, the Air N Arc® 250 performance can’t be beat. It also features a EFI engine to save on fuel and to provide the horsepower you need for effective multi-functioning of tools.

Engine:23 HP Kohler®
Compressor Type:Reciprocating
CFM Rating:24 CFM
Max Pressure:175 PSI
Generator Wattage:5 kW Continuous, AC Power, 60 Hz, Single Phase, 120V and 240V Outlets
Welder AmperageHigh frequency DC Welding, 250 AMPs 100% Duty Cycle, CC: 40-250 AMPs Operating Range, CV: 15-30 Volts
Battery Charger/Booster:300 AMPs 12V/24V Boost, 50 AMPs 12V Charge
Air Storage Capacity:30 Gal. or Remote Tank
Drive System:Belt Driven
Fuel Capacity (Gal.):11.5 Gal. or Plumb to Chassis

Air N Arc® 250 Unit Dimensions (In.) –
30 Gallon with fittings (In.) – 48.8L x 23.4W x 43.3H*
Skid Mount with fittings (In.) – 48.1L x 22.9W x 27.0H*

Dry weight (Lbs.) – 500-725 depending on platform

**Dimensions listed are not a complete representation of total space necessary.  Please consult Vanair for overall space and air requirements.

Product improvement is a continuing goal. Design and specifications are subject to change without notice or obligations.

Do not weld with the electrode holder connected to the negative port and the work piece connected to the vehicle. Bodily harm and equipment damage may occur.

  • Can Run up to a 1” Impact Wrench
  • Will Run Any Voltage Sensing Suitcase Feeder for MIG Welding
  • Small Footprint – Will Fit on Side Pack or Behind Cab
  • Totally Self-Contained But Can be Integrated with the Chassis
  • Powder Coated Galvannealed Sheet Metal
  • All the Benefits of a High Frequency Welder Offering Excellent Weld Characteristics – 100% Duty Cycle
  • Galvannealed Steel Metal
  • Heavy Duty Belt Drive System for Anti-Vibration and Long Service Intervals


  • Reciprocating Compressor
  • Two Stage Cast Iron Air Pump for High Pressure Output
  • 24 CFM
  • 175 Max PSI


  • High Frequency DC Welding
  • 250 AMPs at 100% Duty Cycle
  • CC Range 40 – 250 AMPs Operating Range
  • CV Range 15 – 30 Volts
  • 100% Completely Controllable. No Preset Settings.
  • Independent Welding Generator
  • Safe Multi-Function
  • Auto Throttle Control


  • True Two Generator System for Safe Multi-Functioning of Welder and Electric Tools
  • Brushless Generator
  • Smooth Wave for Minimal Distortion
  • Two 120V Outlets and One 240V Outlet Provided


  • 300 AMP 12V/24V Boost
  • 50 AMP 12V Charge


  • Provides Ultimate User Convenience and Safety
  • All Functions Accessible at Panel. No Need to Jump In and Out of Vehicle.
  • Filter/Lubricator/Regulator (FLR)
  • Hose Reels and Fittings
  • OSHA Safety Valve (Velocity Fuse)
  • Post Drivers
  • Service/Control Line Moisture Separators
  • Tool Oiler/Lubricator


  • 23 HP EFI Kohler
  • Electric Start
  • Fuel Tank – 11.5 Gallons or Plumb to Chassis

Available In:

  • 30 Gallon or Remote Tank Configuration
  • Welding Cables – 25’, 50’
  • Welding Helmet with Auto Darkening Lens
  • Battery Booster Cables
  • Fuel Tank – Slimline 11 Gallons
  • Remote Air Tank – 30 Gallons
  • Electric Fuel Pump
  • Remote Condensation Drain
  • Hose Reels
  • Cold Weather Kits
  • Maintenance Kits
  • Welding Rods
  • Dry Cell Battery
  • GFCI Outlet for Protection for outlets 120V/240V – Remote Panel Machines Only
Part DescriptionPart Number
Engine Service Kit – Includes 2 Qt. Oil, Oil Filter, Air Filter, Pre-FilterKIT 1291
Vanguard™ Reciprocating Compressor Oil (One Gal.)271856-1Gal.
Vanguard™ Reciprocating Compressor Oil (One Quart)271856-1QT
Vanair - Mobile Power Solutions