Workshop compressors and equipment for commercial vehicle workshops
Choosing the right compressor for a commercial vehicle workshop comes down to three things: tank capacity, CFM output, and duty cycle. A workshop running air tools continuously needs a machine rated for heavy-duty intermittent or continuous use. Most HGV tyre work, air ratchet use, and pneumatic tooling requires a compressor delivering sufficient CFM at 90-120 PSI to keep up without cycling constantly.
Compressor tank size also matters for workshop layout. Larger receiver tanks - 100 litres and above - reduce motor cycling frequency and maintain working pressure more consistently across multiple drops. If the workshop runs more than one air line simultaneously, size up from your minimum CFM requirement to avoid pressure drop under load.
If you need a specific unit for a particular application - tyre bays, brake testing, or general air tooling - call our team on 01527 598 000 with your requirements and we can advise on the right specification.
Frequently asked questions
What size compressor do I need for an HGV workshop?
For a workshop running air tools regularly, look for a minimum 3HP motor with a 100-litre tank and a CFM output of at least 12-14 at 90 PSI. If you are running multiple air lines or high-consumption tools such as impact wrenches simultaneously, increase the CFM rating accordingly. A machine that cycles constantly will wear faster and create pressure inconsistency.
What is the difference between a direct-drive and belt-drive workshop compressor?
Direct-drive compressors run the pump directly off the motor shaft - they are compact and lower maintenance but run faster and generate more heat. Belt-drive units run the pump at a lower RPM via a belt, which reduces wear, runs cooler, and is generally quieter. For a busy commercial vehicle workshop, belt-drive is usually the more durable long-term choice.
Can I use a workshop air compressor for HGV tyres?
Yes, provided the compressor delivers adequate pressure. HGV tyres typically require 100-115 PSI for drive axles and up to 120 PSI for steer axles. Confirm the compressor maximum working pressure and CFM output before using it for tyre inflation on heavy commercial vehicles.
How often should a workshop compressor be serviced?
Oil-lubricated compressors need an oil change every 500-1000 hours depending on the manufacturer recommendation. Drain the receiver tank daily if the compressor is in regular use to prevent moisture build-up. Check the belt tension on belt-drive units every three to six months.
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