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Air grease gun vs manual

Updated: 21.10.2026

An air grease gun is the upgrade only when a compressor is already in the garage and you have enough nipples to make the hose worthwhile. This air grease gun versus manual comparison is that fork. Air is not higher pressure, and a lever gun is not the harmless version. You pick air for repetition beside an airline, and a lever when you need feel or you have no air. Prices are on the [air grease gun comparison](/hub/compressors/air-grease-gun). Products Compared used those listings, UK manuals and HSE bulletins. We did not run a lab test. A qualifying purchase through an amazon.co.uk link can earn us a commission at no extra cost to you.

An air grease gun is the upgrade only when a compressor is already in the garage and you have enough nipples to make the hose worthwhile. This air grease gun versus manual comparison is that fork.

Our top picks

Draper Draper 70836 air grease gun (400 cc)

Best overall

Draper Draper 70836 air grease gun (400 cc)
7.4/10about £30.99
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KATSU KATSU 40 litre pneumatic grease pump

Alternative

KATSU KATSU 40 litre pneumatic grease pump
6.4/10about £119.99
View offer
KATSU KATSU 12 litre pneumatic grease pump

Rank 3

KATSU KATSU 12 litre pneumatic grease pump
6.2/10about £87.99
View offer
On this page
  1. 1.What each tool is for
  2. 2.Pressure is not the decider
  3. 3.When air is worth the hose
  4. 4.The keg is a different air tool

What each tool is for

A manual lever gun is a 400 g cartridge, a four-jaw coupler and your arm. UK listings in this class, the Tygris and Agri-Linc pattern among them, are built for NLGI 2 chassis grease and a joint you can feel filling. You can carry it to a trailer. You do not drain a receiver afterwards. An air pistol is the same cartridge with a trigger and an inlet. Here that is the Draper 70836 at about £30.99 and about 1 kg, with two delivery tubes and an air bleed. It earns its place on a line of nipples. It does not earn its place for three nipples a month. A keg is not a larger pistol. The KATSU rows are 12 to 40 litre drums at about £87.99 to £119.99 and 11 to 15.1 kg, with a 3.7 m hose.

Pressure is not the decider

It is easy to assume the airline version is the high-pressure one and the lever is safe because it is slow. HSE’s track-tensioning bulletin says hand guns have been tested above 600 bar, and it records a fitter killed when a nipple detached. A manual gun can put grease through skin. So can an air gun. What air changes is speed, and how little the handle tells you. A lever loads up as the joint resists, and that is the cue to stop. An air trigger has no equivalent cue. Sealey’s continuous-flow guns keep delivering while the trigger is held. Outlet figures of 4,500 psi on the Draper maker page and 450 bar on the KATSU listings describe the pump, not a safer handle.
Draper Draper 70836 air grease gun (400 cc)

Testsieger

Draper Draper 70836 air grease gun (400 cc)
7.4/10about £30.99
View offer

When air is worth the hose

Air is worth it when three things are true at once. The compressor is already yours. Its regulator can hold the plate pressure while the pump supplies the airflow the plate asks for. The nipple count is high enough that a lever would waste the hour. A car and a mower a few times a year often fails that third test. A bay greasing several vehicles a day usually passes it. About £31 for the Draper is the small number. The compressor and the habit of stopping are the real price. Stay with a lever when any one of those three is missing. No airline means no air gun. How the trigger should feel is on the how to use page.

The keg is a different air tool

A 40 litre pump is still not a large pistol. The three KATSU listings share a 450 bar claim and a 3.7 m hose. The 12 litre has 3.8 from three ratings. The 40 litre has 5.0 from one. The 20 litre capture has no star line and costs about £112.99, only £7 under the 40 litre. Choose a keg only when the grease is already in drums. Choose the pistol when the cupboard holds cartridges. Choose neither when the work leaves the airline. Cordless is the field answer, and a poor one for a bay that already has air. Who should leave the kegs on the shelf is on the best air grease gun page. Use an air pistol if the compressor is there and a lever would waste the hour. Use a lever if you need the feel of the handle or you have no airline.

Common questions

Is an air grease gun better than a lever gun?
It is better only when you already have a compressor and you are greasing enough nipples for speed to matter. For a few joints, a lever gun is the better tool because you can feel the resistance and you carry no hose. Air does not raise the safety of the job. Hand guns of both kinds can exceed pressures that inject grease through skin.
When is manual the right buy?
Buy manual when there is no airline, when the machine sits away from the compressor, or when you want the handle to tell you the joint is full. A 400 g cartridge and a four-jaw coupler are the usual UK lever-gun pattern. You still stop when fresh grease shows, and you still treat a skin puncture as an emergency.
Does a lever gun reach high pressure too?
Yes. HSE notes hand guns tested above 600 bar and a fatal injury when a nipple came off a hand gun. A lever is not a low-pressure toy. The difference is control and speed, not a promise that manual grease stays harmless.
What do you lose when you cannot feel the handle?
You lose the cue that the joint is resisting. A continuous air trigger keeps pushing until you let go. Sealey’s continuous pistols are built that way on purpose, and Kennedy still tells you to keep the burst short. You have to watch the seal instead of waiting for the lever to go heavy. That is how boots split.
Is air worth it if you grease one trailer?
Usually not. One trailer a few times a year is a lever-gun afternoon, even if a compressor stands in the corner. Air starts to pay when the same coupler is going on nipple after nipple and the compressor is already at pressure. The £30.99 Draper does not change that arithmetic by being cheap.

Related pages

Air grease gun buying guide

Air grease gun

Best air grease gun for a UK home workshop or a keg

Air compressor for a grease gun: CFM, psi and tank

How to use an air grease gun: load, bleed and stop

Sources

Public UK sources and maker pages from the research digest, checked for this page on 20 October 2026. Listing prices, stars and review counts are amazon.co.uk figures from the comparison files.

  1. HSE: hydraulic injection injury (retrieved 20 October 2026)
  2. HSE: track tensioning and high-pressure injection (retrieved 20 October 2026)
  3. HSE: PUWER overview (retrieved 20 October 2026)
  4. HSE: Pressure Systems Safety Regulations (PSSR) (retrieved 20 October 2026)
  5. Draper Tools: air grease gun 70836, 400 cc (retrieved 20 October 2026)
  6. Kennedy PGC400 instructions (Cromwell) (retrieved 20 October 2026)
  7. Sealey SA40.V2 instructions (retrieved 20 October 2026)
  8. SGS Engineering: air compressor buyer's guide (retrieved 20 October 2026)