















Custom Multifunction Power System - Your Power, Your Choice
Build A Custom Multi-Power System
Everyone is different, encountering unique challenges on their jobsites requiring different equipment for different applications.
For those who want a truly customized multi-power solution, the VMAC Multifunction Power System can be ordered in numerous configurations. Each customized system will have the same overall size, with differences in overall weight.
Contact VMAC and let us guide you through the customization so you get the system that best works for you.
Your Power, Your Choice
- Air Compressor only
- Air Compressor with AC Generator and DC Welder with Battery Booster/Charger
- No PTO
- PTO Port only
- PTO with 5 GPM @ 3,500 psi (max) Pump
- PTO with 8 GPM @ 3,500 psi (max) Pump
- PTO with 10 GPM @ 3,500 psi (max) Pump
3. Choose Your Fuel Supply (choose one)
- None
- Transfer Fuel Pump
- 7-Gallon Diesel Tank
4. Choose Your Factory-installed Options (choose any)
- Cold Climate Kit
- Terminal Strips only (on generator/welder)
- Receptacles (on generator/welder)
- Positive Air Shutoff System (PASS)
5. Choose Your Color (choose one)
- Black
- White (extended lead times apply)
Air Compressor
Oil-injected rotary screw; belt-driven; 45 CFM @ 100 psi, 100% duty cycle; up to 175 psi
AC/DC Generator/Welder/Battery Charger/Booster
- AC: 8 kW continuous output
- 1 x 30 A, 240V, 60 Hz three phase circuit (w/wo receptacles)
- 2 x 20 A, 120V, 60 Hz single phase circuit (w/wo receptacles)
- DC: For battery boosting/charging; other DC loads
- Boost – 300 A max @ 13V; Charge – 100 A max @ 12V, 24V
- CC mode for SMAW and GTAW (stick/TIG welding)
- 250 A @ 35% duty cycle; 190 A @ 60% duty cycle
Generator/Welder Control Box
GENSET voltage meter & selector; welding current control and ARC force; socket for optional remote welding control
Kubota D902 Diesel Engine
Tier 4 Final, 3-cylinder, naturally aspirated 3,600 RPM
PTO Port
Clutched SAE ‘A’ port with 9-toothed spline, 2,800 RPM output; 35 lb-ft continuous torque max (patented)
Control/Digital Display Box
Remote mounted; electronic key switch; selector switches for PTO/GENSET/COMPRESSOR; LCD for compressor on/off controls, observing system status and adjusting parameters
Battery
Included ACDelco 12V, 460 CCA, 575 CA
Air/Oil Separator Tank
Separates compressor oil from compressed air
Positive Air Shutoff System (PASS)
Shocker PASS® automatically senses high-revving engines situations and closes the air supply to the engine
Cold Climate Kit For -40º
Cold Climate Protection is recommended if ambient temperatures frequently drop below -10ºC (14ºF); combine with an optional 1,750 W inverter to warm the system on the way to the job site
Multifunction Power System - Your Power, Your Choice Specifications
- 45 CFM @ 100 psi (175 psi max)
- Belt-driven, 100% duty cycle, VMAC oil-injected rotary screw
- Kubota D902 Diesel 3-cylinder, naturally aspirated 3,600 RPM, Tier 4 Final
- ACDelco 12V, 460 CCA, 575 CA
- Remote mounted control/digital display box with electronic key switch and LCD for compressor on/off controls, observing system status, and adjusting parameters
- Remote mounted generator/welder control box with genset voltage meter and selector, welding current and ARC force control
- Socket for optional remote welding control
- Integrated voltage sensing interlock feature ensures safe welding/battery boosting and protects equipment by disabling the genset in unsafe conditions
- Separate selector switches engage compressor, generator and PTO; any function or all three can be selected at any time
- Multi-speed throttle control responds to operating function and air demand
- With compressor-only selected, and sustained periods of no air use, the control system will shut down the engine (Standby Mode); the engine will not shut down automatically with generator selected
- 81.2 dB at high idle, 76 dB at low idle, 0 dB in Standby Mode
- 33” (l) x 23” (w) x 29” (h); 83.8 cm (l) x 58.4 cm (w) x 73.7 cm (h)
- Base footprint: 30” (l) x 20” (w); 76.2 cm (l) x 50.8 cm (w)
- Engine and compressor wait until the system temperatures are above 41°F (5°C) before loading and going into a running state
- Engine automatically restarts when system temperature falls below 23°F (-5°C)
- Small heat strip included in LCD Digital Control Box
- ESPAR heater connections; in/out ports for ESPAR heater integration (Oilman Series only)
- 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 (AC/DC Generator/Welder models only)
- 7-gallon tank with fuel gauge and low fuel shut-off sensor
- External Diesel Fuel Pump Kit
- Two years on all major components; VMAC air ends are covered by VMAC’s Lifetime Warranty (Limited)
- Kubota diesel D902 engine covered by Kubota’s 2-Year warranty
- For more information about VMAC’s warranty policies, visit www.vmacair.com/warranty
OPTIONAL COMPONENTS
- AC: 8 kW continuous output
- 1 x 30 A, 240V, 60 Hz three phase circuit (w/wo receptacles)
- 2 x 20 A, 120V, 60 Hz single phase circuit (w/wo receptacles)
- DC: For battery boosting/charging; other DC loads
- Boost – 300 A max @ 13V; Charge – 100 A @ 12V, 24VV
- CC mode for SMAW and GTAW (stick/TIG welding)
- 250 A @ 35% duty cycle; 190 A @ 60% duty cycle
- Clutched SAE ‘A’ port with 9-toothed spline, 2,800 RPM output, 35 lb-ft continuous torque max (patented)
- Recommended if ambient temperatures frequently drop below -10ºC (14ºF)
- Plugs into a 120V power source and the compressor and separator tank heaters will turn on
- Optional 1,750 W power inverter allows cold climate kit to engage on the way to the job site
- 5 GPM @ 3,500 psi (max)
- 8 GPM @ 3,500 psi (max)
- 10 GPM @ 3,500 psi (max)
- Or choose your own
- Shocker PASS® automatically senses high-revving engines situations and closes the air supply to the engine
- Minimum 10-gallon air receiver tank recommended (not included) for proper operation of all functions
Multifunction Power System - Your Power, Your Choice Videos

VMAC Multifunction Power Systems: 6-in-1 Multi-Power Systems
You deserve the best multifunction power system to get the job done. VMAC Multifunction Power Systems are powered by Cat or Kubota engines and are lighter weight and more compact than the competition.
VMAC Multifunction Power System Capabilities
Wondering how a true multipower system works? Take a look at this video to learn about all six types of power offered on the VMAC Multifunction Power System.
Learn the VMAC Multifunction Control System
In this video tutorial, Darren of VMAC shows you how to use the VMAC Multifunction system. Learn about the Multifunction's control system, find out how to customize your system, and discover the settings that will help you most of your Multifunction system.
VMAC 6-in-1 Multifunction Operational Training
Find out how to operate the VMAC Multifunction System in this operational training video. All VMAC Multifunctions have a similar operation, and this video features the 6-in-1 Oilman series with a Kubota engine.