The Castair PD1006 is a 12-volt DC portable air compressor designed for mobile applications — emergency tire inflation, work trucks, service vehicles, and anywhere you need compressed air without a power outlet. It runs on 12V DC (46 amps) from a vehicle battery or auxiliary power source, delivers 1.4 CFM at 100 PSI, and includes a 1.5-gallon tank for short-burst air tool use without waiting for pressure buildup on every trigger pull. At 3/4 HP equivalent output, this is not a shop compressor — it is a purpose-built mobile unit for field service and roadside applications.
Note: Cast Air did not provide a dedicated manufacturer product page for this compressor. Specifications below are drawn from the product listing. Confirm application suitability — particularly the 46-amp draw — before ordering for fleet or specialty use. Call us for guidance.
Who Needs a 12V Portable Air Compressor?
The PD1006 is for people who work away from shore power and need compressed air on the job. That means:
- Service technicians who make field calls and need to inflate tires, run small pneumatic tools, or check tire pressure at customer sites
- Fleet maintenance crews who service vehicles at remote locations without access to a shop compressor
- Construction and landscaping crews who need spot air inflation capability on job sites where a generator or shore power is not available
- Emergency roadside situations — a flat or low tire that needs air immediately
What it is not: a production shop compressor. At 1.4 CFM, continuous air tool use is limited. The 1.5-gallon tank gives you burst capacity for short jobs, but the compressor will cycle frequently under any sustained load. For continuous shop use, the stationary Cast Air piston compressor lineup is the correct choice.
Key Specifications
- Power: 12V DC, 46 amps (requires direct battery connection or heavy-gauge auxiliary circuit — not a standard 12V accessory socket)
- Output (HP equivalent): 3/4 HP
- CFM: 1.4 CFM at 100 PSI
- Tank Size: 1.5 gallons
- Max Pressure: Not specified in listing — confirm before ordering for high-pressure applications
- Part Number: PD1006
- Price: $454.84
The 46-Amp Draw — What That Means in Practice
This is the most important spec to understand before purchasing. At 46 amps, the PD1006 draws more current than most vehicle accessory circuits can handle. A standard cigarette lighter socket is typically fused at 10-20 amps — this compressor will blow that fuse immediately. You need to connect directly to the vehicle battery with heavy-gauge wiring (typically 6 AWG or heavier for runs over 10 feet) and a properly sized inline fuse. This is not a plug-and-go unit — it requires a proper 12V installation or careful temporary battery connection with jumper-grade cables. If your application requires a simple plug-in unit, this is not it.
Air Output — What 1.4 CFM at 100 PSI Gets You
- Tire inflation: Yes — easily handles passenger car and light truck tires; takes longer on larger truck or commercial tires
- Air blow gun: Yes — short bursts for blowing off parts, clearing debris
- Pneumatic impact wrench: Limited — a 1/2" impact at full use runs 4-6 CFM; the PD1006 cannot sustain that. Brief bolt-break attempts may work; continuous impact use will not.
- Spray gun: Not practical for HVLP — those require 6-18 CFM
- Inflation of commercial tires, air bags, or large inflatables: Yes, but time-consuming at 1.4 CFM
The 1.5-Gallon Tank
The integrated 1.5-gallon tank allows you to build up a small air reserve before use. For tire inflation this works well — the tank fills, you connect the chuck, and it inflates the tire from stored pressure while the compressor continues running. For tool use, the tank provides burst capacity so you are not waiting for pressure on every trigger pull. However, sustained tool use will outpace the compressor's 1.4 CFM refill rate and tank pressure will drop. This is a design reality of any mobile 12V compressor at this power level.
When Should You Step Up to a Stationary Compressor?
- If air is needed at a fixed location with AC power available — the stationary Cast Air single-stage pumps start at 1.5 HP and deliver significantly more CFM with larger tanks
- If sustained air tool use (impacts, air ratchets, grinders) is the primary need — 1.4 CFM is not enough for production tool work
- If the vehicle electrical system cannot support a 46-amp sustained draw safely
- If high-pressure work (above the PD1006 rating) is required
Technical Specifications
- Part Number: PD1006
- Manufacturer: Cast Air (Castair)
- Power Supply: 12V DC
- Current Draw: 46 amps
- HP (equivalent): 3/4 HP
- CFM at 100 PSI: 1.4 CFM
- Tank Capacity: 1.5 gallons
- Drive Type: Electric (DC motor, no belt drive)
- Price: $454.84
- Manufacturer Data: Product page not available — specifications from product listing data. Max PSI rating not confirmed — contact us.
What Is in the Box
- 1x Castair PD1006 portable 12V DC air compressor with 1.5-gallon tank
- Power connection leads (confirm included hardware before installation)
Hose, chuck, and inflation accessories — confirm what is included with your order. Call us for current accessory kit details.
Why Buy From Air Compressor Factory Direct?
Mobile and 12V compressors have specific electrical installation requirements that a lot of resellers do not address. We do. Since 2016, we have helped customers select and install Cast Air compressor equipment including mobile units. If you have questions about the 46-amp circuit requirements, tank pressure rating, or whether the PD1006 is right for your application, call us before you order — we will give you a straight answer. Free shipping, free tech support, full warranty.
- Cast Air specialist since 2016
- Free shipping on all orders
- Free tech support — we walk you through 12V installation requirements
- Full manufacturer warranty
- Honest application guidance — we will tell you if a stationary unit is the better fit
Call 866-217-0063 for quick answers and help!



