300L/min 150PSI Dual-Cylinder Tire Inflator 12V 24V

How we label data. Confirmed values are read from supplied stock and published supplier data; reference values are published marketplace specifications and are shown for identification only; anything not published is withheld rather than guessed.

A 300L/min tire inflator is built around airflow. Where a small cigarette-lighter pump delivers a thin trickle of air, this heavy duty tire compressor uses a twin-piston, double cylinder air compressor to push 300 litres every minute — enough to lift a 4×4 or light-truck tyre several PSI in seconds. The result is a dual cylinder tire inflator that gets you moving instead of waiting at the shoulder.

As a 150PSI air compressor the unit tops out at 150 PSI (10.3 bar), which covers standard passenger tyres, light-truck tyres and the higher pressures commercial vans and RVs need. It runs as a 12V 24V tire compressor, powered through fused alligator clamps rather than a cigarette socket, so the full 300 L/min of a fast inflating tire pump is available without blowing an accessory fuse.

Day to day it behaves like a portable tire inflator: set the target on the presets, clip to the battery and the pump shuts off automatically at pressure. In bulk, this 300L-MIN tire inflator doubles as a general car air compressor line for tyre shops, fleet workshops and roadside-kit assemblers.

Searches like “digital tire pressure gauge inflator”, “digital tire inflator with pressure gauge” lead straight to this unit, and 300L-MIN-150PSI is what they resolve to for Cars, SUVs, 4×4 trucks, vans and RVs (12V / 24V DC).

Related searches including “heavy duty tire inflator for trucks” all describe the same replacement job, so they are covered by the details below for a 300 L/min dual-cylinder tire inflator for Cars, SUVs, 4×4 trucks, vans and RVs (12V / 24V DC).

Reference / cross-reference numbers are published listings and are shown for identification only; they are not claims of origin or authorization.

• 300L-MIN — Listing model / airflow designation
• 300 L/min class — Common dual-cylinder 150 PSI marketplace specification band
• 2 x 60 mm cylinders — Typical cylinder bore for this airflow class
• RA-AIR300150 — Comparable 300 L/min 150 PSI reference (identification only)
• 150 PSI / 10.3 bar — Equivalent maximum-pressure rating

• Twin-cylinder, direct-drive build keeps the 300 L/min airflow steady under load.
• Delivers 150 PSI (10.3 bar) maximum pressure for car, SUV and light-truck tyres.
• A genuine 150 PSI air pump for 4×4, van and RV inflation tasks.
• Runs on 12V or 24V DC — match the supply to your vehicle’s electrical system.
• A tire inflator with digital gauge and preset auto-stop for repeatable pressures.
• Heavy-gauge, fused alligator clamps avoid cigarette-lighter fuse failures.
• Coil hose plus three nozzle adapters for tyres, balls and air beds.
• Compact body and carry handle suit roadside kits and fleet shelves.

• Pump runs but airflow is weak and tyre pressure barely rises.
• Motor gets very hot or smells hot within a few minutes of running.
• Loud knocking or rattling from the cylinder head under load.
• Hose or quick-coupler leaks air at the tyre valve.
• Unit trips its inline fuse or thermal cut-off and will not restart.

• 1Park safely, let tyres cool and check the recommended pressure on the tyre placard.
• 2Match voltage: connect a 12V unit only to a 12V battery, and 24V to 24V.
• 3Clip the red clamp to positive and black to negative, engine running for high-draw use.
• 4Set the target pressure on the preset digital gauge, then start the pump.
• 5Let auto-stop finish, disconnect the quick-coupler, refit the valve cap and stow the kit.

• Portable tyre pressure gauges
• Heavy-duty tyre repair / plug kits
• Replacement coil air hoses
• 12V / 24V battery-clamp adapters
• Tyre valve caps and valve cores
• Other 300 L/min and 400 L/min inflators