Describe the CFM, wattage, or job-site power you need. ChatMRO finds the exact combo unit match, shows alternatives, and gives you a quote — in seconds. No part number needed.
A gas-powered air compressor/generator combo mounts a compressor pump (reciprocating two-stage or rotary screw) and an AC generator head on a single gasoline engine, letting one power source deliver both compressed air and electrical power. A control system — often an automatic idle/unloader circuit — shifts engine load between compressor and generator modes, or runs both simultaneously on higher-output units.
Service truck operators, utility crews, and remote job-site contractors rely on these combo units wherever grid power and shop air are both unavailable. Carrying one engine instead of a separate compressor and generator saves weight, deck space, and fuel compared to running two independent gas engines — making the combo format the standard choice for mobile service and fleet trucks.
Common configurations: reciprocating two-stage combos (13,000–20,000 BTU-class engines, 8–20 gallon tanks, 3,000–5,500W generator) and rotary screw combos (25–70 CFM, 100% duty cycle, 3,600W–8kW generator), with some models adding an integrated DC welder for a full three-in-one power system.
Stop second-guessing. Match your use case below — then let ChatMRO's AI surface the exact unit, output data, and alternatives in one natural-language search.
Tire work, small tools, and occasional AC power on a service truck. Typically 8–16 CFM reciprocating combos with 3,000–4,000W generators.
Daily commercial use, air tools plus job-site power simultaneously. Rotary screw combos with 5,000W+ generators dominate here.
Pipeline, construction, and remote work requiring air, power, and welding from one engine. 40–70 CFM systems with integrated welders.
Gas-powered air compressor/generator combos are supplied by mobile-power specialists such as VMAC, Vanair, Mi-T-M, and BE Power Equipment, alongside general-purpose brands like DEWALT. Here's how to navigate the class without a 40-tab browser session.
ChatMRO indexes combo unit inventory across manufacturers. Search any product by description, application, or rough spec.
Belt-drive two-stage compressor with cast-iron cylinders, 8–30 gallon tank, Honda GX-series engine. 16–20 CFM @ 175 PSI, 3,000–5,500W generator output. Generator and compressor can run together.
Search Two-Stage Truck-Mount Series →Oil-injected rotary screw compressor delivering max CFM 100% of the time. 25–40 CFM @ 100 PSI, 100% duty cycle, up to 150–175 max PSI. Continuous generator output from 3.6 kW to 8 kW.
Search Rotary Screw On-Demand Series →Combines rotary screw air compressor, AC generator, and DC welder (200–300A) on one gas engine, plus battery boost/charge in some models. Built for pipeline, construction, and remote utility work.
Search Multi-Function Power Series →Use this table as a decision shortcut. Ask ChatMRO for the exact part once you know which row fits your spec.
| Type | Air Output | Generator Output | Best For | Duty Cycle | Simultaneous Use | ChatMRO Verdict |
|---|---|---|---|---|---|---|
| Compact Reciprocating Combo | 8–16 CFM @ 150–175 PSI | 3,000–4,000W | Light service trucks, automotive | Intermittent | Yes, on most models | Best entry point for occasional air + power needs |
| Standard Reciprocating Combo | 16–20 CFM @ 175 PSI | 4,000–5,500W | Daily-use fleet and utility trucks | Heavy intermittent | Yes | Most common choice for commercial service trucks |
| Rotary Screw Combo (light) | 25–30 CFM @ 100 PSI | 3.6–5 kW continuous | Fleet vehicles needing continuous air | 100% | Yes | Best when tools need max CFM without waiting on tank refill |
| Rotary Screw Combo (heavy) | 40 CFM @ 100 PSI, 175 max | 6.8–8 kW continuous | Industrial rigs, pipeline, construction | 100% | Yes | Go-to for continuous-duty industrial demands |
| All-in-One (Compressor+Gen+Welder) | 40–70 CFM | 5–20 kW | Remote utility and construction rigs needing welding | 100% (air), rated duty (weld) | Yes, independent circuits | Use when field welding capability is also required |
| Generic Import Combo | Variable, lower CFM | Lower/unstable wattage | Budget, occasional light use | Lower | Not always supported | Verify duty cycle and AVR quality before daily commercial use |
Not sure which row is yours? Describe your application to ChatMRO and get an instant AI-matched recommendation with datasheets.
Traditional catalogues force you to know the exact MPN before you find anything. ChatMRO flips that: describe what you need in plain English, and the AI finds the right combo unit from 30M+ indexed parts.
In plain language — by CFM, wattage, or job-site use case. No MPN required.
Natural language processing maps your description to the closest-fit products across brands and specs.
Cross-brand equivalents, lower-cost substitutes, and in-stock alternatives shown side-by-side.
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Try these compressor/generator combo search examples
Whether you're a fleet manager equipping service trucks, or a contractor specifying power for a remote job site — use this framework before you procure.
Add up the CFM of the air tools you'll run, factoring in back-to-back or simultaneous use, and size the compressor with margin. Check CFM at your tool's actual operating pressure, not just the compressor's max PSI rating.
Total the running watts of lights, power tools, and electronics you'll use, and confirm the unit's continuous (not just peak/surge) generator rating covers it — especially if you also need air at the same time.
Not all combos can deliver full compressor and generator output at once — some reduce one output when the other is active. Verify simultaneous-use ratings against your workflow before ordering.
Reciprocating (piston) units are lower cost and fine for intermittent use; rotary screw units sustain 100% duty cycle and maximum CFM continuously, better suited to daily commercial or industrial use.
Confirm dimensions and weight fit your truck bed, trailer, or rig, and check for features like electric start, removable saddle mounts, and — if needed — an integrated welder before committing to a unit.
A combo's air and electrical specs are independent — search by function on ChatMRO to surface exact matches AND available substitutes covering both requirements in one step.
Some units throttle compressor output while the generator is under load, or vice versa. Confirm the manufacturer's simultaneous-operation spec before relying on both at once.
Peak/surge wattage is only available briefly at startup. Size for the continuous wattage rating to avoid overloading the generator during sustained use.
Describing your application to ChatMRO takes 30 seconds. The AI reads the full combo unit catalogue so you don't have to.
Just describe what you need. ChatMRO finds the right gas-powered air compressor/generator combo in seconds.
Gas-powered air compressor/generator combo units are among the most widely deployed mobile power solutions for service trucks, utility fleets, and remote job sites lacking grid access. Manufacturers such as VMAC, Vanair, Mi-T-M, and BE Power Equipment command significant market presence due to their proven reciprocating and rotary screw platforms, simultaneous air-and-power capability, and integration with commercial-grade gas engines like the Honda GX series. Procurement professionals and fleet managers in India, Southeast Asia, and North America regularly source these combo units for automotive service, construction, utility maintenance, and pipeline work.
ChatMRO simplifies this procurement process by providing AI-powered natural language search across a catalogue of 30 million+ indexed industrial parts. Engineers and buyers no longer need to memorize model codes or navigate multi-level filter trees to find the right combo unit. A simple description of the required CFM, generator wattage, or job-site application is sufficient to surface the correct product alongside cross-brand alternatives and real-time pricing.