Hard Unit Air Compressor Dual 12V Portable for 4WD
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365-Day Warranty
Hard Unit products are backed by a 365-day warranty. If something isn’t right, contact us with your order details and we’ll help you through the next step.
Product Overview
The HARD UNIT dual-cylinder 12V air compressor range includes 150 LPM and 300 LPM models for vehicle and 4WD tyre inflation. Both models connect directly to the vehicle battery using battery clips and include a 6 m rubber air hose.
Both models use a dual-cylinder design with cast alloy pump casings, cooling fins, anti-vibration rubber feet and thermal overload protection.
Each compressor includes a large dual-scale pressure gauge, snap-on fittings, accessory nozzles, reset switches and air filters. Select the required model based on its airflow, maximum current and inflation time.
Model Specifications
| Model | Airflow | Maximum Current | Inflation Time* | Suitable For |
|---|---|---|---|---|
| Model HUAC150T | Airflow 150 LPM | Maximum current 45 A | Inflation time 2 min 30 sec | Suitable for All vehicle tyres and regular 4WD use |
| Model HUAC300 | Airflow 300 LPM | Maximum current 90 A | Inflation time 1 min 11 sec | Suitable for Rapid, heavy-duty 4WD inflation |
*Inflation times are stated flat-to-32 PSI results. Actual inflation times may vary depending on tyre size, starting pressure and operating conditions.
Common Features
- Dual-cylinder design
- 12V operation
- Battery-clip connection
- 6 m rubber air hose
- Maximum pressure range: 120–150 PSI, depending on the model
- Duty cycle: 20% at approximately 24°C and 40 PSI
- Cast alloy pump casings with cooling fins
- Thermal overload protection
- Anti-vibration rubber feet
- Large dual-scale pressure gauge
- Snap-on fittings
- Accessory nozzle set
- Reset switches and air filters
- 365-day warranty
Warnings
- This compressor is fitted with thermal overload protection. If the unit switches off automatically during operation, turn the compressor switch off and allow it to cool for at least 15 minutes before resuming use.
- Connect the red battery clip to the positive (+) battery terminal and the black battery clip to the negative (−) battery terminal. Incorrect connection may damage the compressor.
- Never exceed the recommended tyre pressure.
- Do not leave the compressor unattended during inflation.
- Do not operate the compressor for more than 15 minutes at a time.
- The compressor may become hot after extended use.
- Children should only operate the compressor under adult supervision.