Thikpo SMT108D
A low-cost digital-gauge machine for occasional DIY use. Its run-time limit makes it a poor fit for a busy shop.
Amazon $63.64$63.64
The Thikpo SMT108D is the better automotive smoke machine overall, rated 3.6 to 3.4. The Thikpo SMT108D leads on features and value. The Thikpo SMT108D costs $16.35 less ($63.64 vs $79.99).
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.
AutoLine Pro Shop Series Plus
The Shop Series with its own air motor, for owners without a compressor. It suits vacuum and intake leaks; the maker does not list an EVAP-safe pressure.
Amazon $79.99$79.99
Which should you buy?
- Choose the Thikpo SMT108D for features (built-in air pump, air-only mode, fluid included vs built-in air pump, fluid included) and value ($63.64 vs $79.99).
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 | Thikpo SMT108D | AutoLine Pro Shop Series Plus |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 30% | 90 $63.64 | 81 $79.99 |
| Pressure coverage 25% | 50 pressure not published (neutral score used) | 50 pressure not published (neutral score used) |
| Measurement 20% | 60 digital pressure display | 0 no gauge or flow meter listed, scored as none |
| Features 15% | 65 built-in air pump, air-only mode, fluid included | 45 built-in air pump, fluid included |
| Warranty 10% | 0 warranty not published, scored as none | 100 lifetime warranty |
Specifications
| Thikpo SMT108D | AutoLine Pro Shop Series Plus | |
|---|---|---|
| Pressure and smoke | ||
| Smoke output | 30 L/min | - |
| Pressure display | Digital | - |
| Air-only mode | Yes | - |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Smoke fluid | - | maker fluid |
| Fluid included | Yes | Yes |
| In the box | ||
| Warranty | - | Lifetime |