Air N Arc® 300 Compact ALL-IN-ONE Power System®

The Industry leading Air N Arc® 300 Diesel and Gas ALL-IN-ONE Power System® is Now Available in a Skid Mount for Greater Mounting Flexibility!Air Compressor | Generator | Welder | Battery Booster | Battery Charger Available in Gas or Diesel

While keeping full functionality of five power sources in one unit and the capability of multi-functioning, the Air N Arc® 300 Compact ALL-IN-ONE Power System® was designed to be mounted under a box type body. Coming in 7.5 inches shorter and up to 100 lbs. lighter than the standard Air N Arc® 300 with fuel tank, the new compact unit provides the flexibility and space-saving capability to mount the unit outside the body of the vehicle while still maintaining ground clearance.

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Vanair® Features - Air Compressor, Generator, Welder, Battery Boost, Battery Charge, Electronic Fuel Injected

Product Specifications


Engine:	Diesel: 25 HP Kubota®, Liquid Cooled (Tier 4 Compliant) Gas: 26.5 HP Kohler®, Air Cooled
Air Compressor:	Rotary Screw, 150 PSI, 40 CFM (175 MAX PSI)
Generator:	7 kW Peak – 6.8 kW Continuous, AC Power, 60 Hz, Single Phase, 120V and 240V Outlets
Welder:	High Frequency DC welding, 270 AMPS at 100% duty cycle CC: 40-300 AMPs Operating Range, CV: 15-30 Volts
Battery Charger/Booster:	300 AMPs 12V/24V Boost, 50 AMP 12V Charge
Drive System:	Belt driven
Fuel Capacity:	Plumb to Chassis

Air N Arc® 300 Compact Diesel Unit Dimensions:
Foot Print (In.): 47.5L x 21.0W x 28.4H
With Fittings (In.): 48.0L x 25.0W x 28.4H
Dry Weight (Lbs.): 775

Air N Arc® 300 Compact Gas Unit Dimensions:
Foot Print (In.): 47.1L x 21.5W x 23.9H
With Fittings (In.): 47.1L x 24.6W x 23.9H
Dry Weight (Lbs.): 650

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

Vanair® reserves the right to make changes in engineering, design, and specifications, add improvements, or discontinue manufacturing at any time, without notice or obligation. Vanair®, the Vanair® logo and Mobile Power Solutions® are registered trademarks or trademarks of Vanair®, a Lincoln Electric Company, Michigan City, IN, USA. © 2026 All Rights Reserved.

Machine Numbers

Air N Arc® 300 Compact – Gas

052379 — Air N Arc® 300 Compact Gas – No Fuel Tank, No Air Tank

Air N Arc® 300 Compact – Diesel

051716 — Air N Arc® 300 Compact Diesel – No Battery, No Fuel Tank, No Air Tank

Special Features

True Two Generator System for Safe Multi-Function of Welder and Electric tools
All the Benefits of a High Frequency Welder Offering Excellent Weld Characteristics
40 CFM Rotary Screw Compressor for Air on Demand and Extended Life of Unit
Heavy Duty Belt Drive System for Anti-Vibration and Long Service Intervals
Remote Mount Control Panel for the Ultimate in User Convenience
Fuel System Integrated with the Chassis
Integrated Lift Hook and Battery Tray
Designed for Easy Maintenance
Small Footprint – Will Fit on Side Pack or Behind Cab or Under Box Type Body
Powder Coated Sheet Metal
Galvannealed Steel
Low Profile Height

AIR COMPRESSOR

Encapsulated Rotary Screw Compressor forAir-On-Demand
40 CFM @ 150 PSI
175 Max PSI

WELDER

High Frequency DC Welding
270 AMPs at 100% Duty Cycle
CC Range 40 – 300 AMPs Operating Range
CV Range 15 – 30 Volts
Independent DC Welder
Auto Speed Control
CV MIG Capabilities

GENERATOR

7 kW Peak
6.8 kW Continuous @ 60 Hz (Available In 5.7 kW Continuous Watts @ 50 Hz)
Independent AC Generator
Brushless
Smooth Wave for Minimal Distortion
Two-120V Outlets and One-240V Outlet

BATTERY BOOST/CHARGE

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

COLD WEATHER PACKAGE

Integrated 12V Weather Package on Diesel Only
120V Engine Block Heater on Diesel Only
Optional 12V Heaters for Gas Model

REMOTE CONTROL PANEL (HARNESS NOT INCLUDED)

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

ENGINE

26.5 HP EFI Kohler®, Air Cooled or 25 HP Kubota®, Liquid Cooled
Electric Start
Provides Power for Emergency and Safety Lights with Truck Engine Turned Off
Tier 4 Emission Compliant on Diesel Only
Automatic Glow Plugs on Diesel Only

Options/Accessories

Welding Cables – 25’, 50’
Welding Helmet with Auto Darkening Lens
Battery Booster Cables
Cable Extension Segment
Fuel Tank – Slimline 11 Gallon

Remote Air Tanks
Maintenance Kits
Cold Weather Kits
GFCI Kit Available

Parts - Gas

Shop the Vanair® Parts Store

Part Description	Part Number
Every 500 Hour or Annual Compressor Maintenance Kit	KIT1153
Initial 50 Hour Compressor Maintenance Kit	KIT1285
KOHLER® ECH749 Every 100 Hour or Annual Engine Maintenance Kit	KIT1119
KOHLER® Air Filter	262722
KOHLER® Oil Filter	262723
KOHLER® Precleaner	263675
KOHLER® Inline Fuel Filter	RC81465
Compressor Air Filter Element Only	264469
Vanair® Spin-On Air/Oil Separator	264470
Vanair® Compressor Oil Filter	264471
1 Gallon of Vanguard™ Premium Rotary Screw Compressor Oil	264626-1GAL
Air Reservoir Tank – 28 Gallons	032707
Air Reservoir Tank – 14 Gallon	032708
Optional Weld Cable Set 25′	033020-25
Optional Weld Cabe Set 50′	033020-50
Filter Lubricator Regulator (FLR) 1/2”	264493
Moisture Separator	265243
Vibration Isolator Kit – 1/2”	KIT1202-001
Battery Boost Cables, 2 Gauge With Quick Connect Ends, 25ft	MA269938
Battery Boost Quick Disconnect	MA269944
Battery Cable Extension, 2 Gauge, 8ft	MA269945-08
Battery Cable Extension, 2 Gauge, 12ft	MA269945-12
Battery Cable Extension, 2 Gauge, 16ft	MA269945-16
Battery Cable Extension, 2 Gauge, 20ft	MA269945-20
Battery Cable Extension, 2 Gauge, 24ft	MA269945-24
Extensions Segment for Boost Cable, 2 Gauge Cable with Connectors	MA270012-25
Extension Segment for Boost Cable, 2 Gauge Cable with Connectors, 50ft	MA270012-50
Remote Mount Control Panel Connection Harness – 6ft	MA274613-06
Remote Mount Control Panel Connection Harness – 10ft	MA274613-10
Remote Mount Control Panel Connection Harness – 18ft	MA274613-18
Air Reservoir Tank – 30 Gallons	OA49645

Parts - Diesel