AutoLine Pro Shop Series
A simple smoke generator for a garage that already has compressed air. Without built-in air or a gauge, it is the bare-bones way to smoke-test.
Amazon $69.99$69.99
The AutoLine Pro Shop Series is the better automotive smoke machine overall, rated 3.3 to 3.1. The AutoLine Pro Shop Series leads on warranty. The Solary SD301E wins on features. The Solary SD301E costs $10 less ($59.99 vs $69.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Solary SD301E
A cheap higher-pressure machine for intake and vacuum leaks. Its output is too high for EVAP testing without a regulator.
Amazon $59.99$59.99
Which should you buy?
- Choose the AutoLine Pro Shop Series for warranty (3-year warranty vs 1-year warranty).
- Choose the Solary SD301E for features (built-in air pump, fluid included vs fluid included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every no EVAP mode stated automotive smoke machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | AutoLine Pro Shop Series | Solary SD301E |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 30% | 86 $69.99 | 93 $59.99 |
| Pressure coverage 25% | 50 pressure not published (neutral score used) | 50 up to 23 PSI |
| Measurement 20% | 0 no gauge or flow meter listed, scored as none | 0 no gauge or flow meter listed, scored as none |
| Features 15% | 15 fluid included | 45 built-in air pump, fluid included |
| Warranty 10% | 100 3-year warranty | 0 1-year warranty |
Specifications
| AutoLine Pro Shop Series | Solary SD301E | |
|---|---|---|
| Pressure and smoke | ||
| EVAP mode | - | No |
| Output pressure | - | 19-23 PSI |
| Power and fluid | ||
| Air source | Shop air | Built-in pump |
| Power | - | 12V battery |
| Smoke fluid | maker fluid | smoke oil |
| Fluid included | Yes | Yes |
| In the box | ||
| Warranty | 3 years | 1 year |