VMAC Multifunction Welder, Generator, Screw Compressor, & PTO.

Nothing will stop you on the jobsite; with everything you need in a single compact system, you will be ready for anything.

This self-contained system can be fully integrated into any diesel work truck fuel system or skid-mounted for stand-alone applications with an optional external fuel tank.

Made in Canada.

Components included:

45 CFM Rotary Screw Air Compressor
8 kW Continuous AC Generator Single and 3 phase.
250 A DC Welder (adjustable)
12-48 V Battery Booster (adjustable)
12-48 V Battery Charger (adjustable)
2,800 RPM Power Take-off Port
Factory-installed Cold Climate Kit – 120 V, tested to -40°F (-40°C)
Applications – Common jobs that use 6-in-1 Power Systems:

Mobile heavy duty mechanics
Heavy equipment repair technicians
Remote access jobs in mining, logging and oil & gas

SPECIFICATIONS
Air Compressor Output
45 CFM 100 psi (175 psi max)

Air Compressor Type
Belt-driven, 100% duty cycle, VMAC oil-injected rotary screw

Engine
Kubota Diesel D902 3-cylinder, naturally aspirated 3,600 RPM, Tier 4 Final

AC/DC Generator/Welder
AC:
• 8 kW continuous output
• 1 x 30A, 240V, 60Hz 3 phase circuit (w/wo receptacles)
• 2 x 20A, 120V, 60Hz single phase circuit (w/wo receptacles)
DC: For battery boosting/charging; other DC loads
• Boost – 300A max 13V; Charge – 12V,24V,36V,48V
• CC mode for SMAW and GTAW (stick/TIG welding)
• 250A 35% duty cycle; 190A 60% duty cycle
Power Take-off Port
Clutched SAE ‘A’ port with 9-toothed spline, 2,800 RPM output, 35 ft-lbs continuous torque max (Patented)

Hydraulic Pump (optional)
5 GPM 3500 psi (max)
8 GPM 3500 psi (max)
10 GPM 3500 psi (max)
Or choose your own
Throttle Control
2-speed throttle, responds to air demand

Battery
AC Delco 12 V, 460 CCA, 575 CA

Control System
Customizable digital controls
Remote mounted generator/welder and compressor control panels
Any one function or all three can be selected at any time
Engine auto-restarts with air demand
Separate selector switches engage compressor, generator and PTO
With compressor only selected, and sustained periods of no air use, the control system will shut down the engine
With any other function selected, the engine will not shut down automatically
Programmable auto restart for cold temperature or low battery voltage
Cold Climate Protection
Adjustable glow plug control.
Engine and compressor will wait till the temperatures are above 41°F (5°C) before loading and going into a running state.
Engine will automatically restart when system temperature falls below 23°F (-5°C); small heat strip included in LCD Digital Control Box.
Battery jump start connections are recommended to be tied into the truck batteries in locations where extreme cold is expected. It is not necessary in mild climates.
Weight (wet)
Approximately 570 lbs (259 kg)

Dimensions
Designed to fit on side pack with center slider, 23”(w) x 33”(l), x 29”(h); 58.4 cm(w) x 83.8 cm(l) x 73.7 cm (h); base footprint: 30”(l) x 20”(w); 76.2 cm(l) x 50.8 cm(w)

Decibels (dB) 21 feet (6.4 meters)
81.2 dB at high idle, 76 dB at low idle, 0 dB in Standby Mode

Fuel Supply Options
7-Gallon tank with fuel gauge and low fuel shut-off sensor
External Diesel Fuel Pump Kit
Air Receiver Tank (recommended, not included)
Minimum 10-Gallon Air Receiver Tank – Recommended for proper operation of all functions.

Warranty
Two years on all major components; VMAC air ends are covered by VMAC’s Lifetime Warranty; the Kubota engine is covered by Kubota’s 2-Year warranty

The Airmac B23 is a reliable, high-performance air compressor ideal for light industrial and workshop use. It provides consistent airflow, operates efficiently, and requires minimal maintenance for long-lasting performance.