Smittybilt 2780
#6 in Heavy dutyFull review
For Jeep and small-truck owners on stock or 31 in tires who want a cheap clamp-on compressor for airing up. Bigger tires call for the 2781 or a VIAIR 400P.
Amazon $126.99$126.99
The Smittybilt 2780 is the better tire inflator overall, rated 3.4 to 3.3. The Smittybilt 2780 leads on airflow. The Smittybilt 2780 costs $22.96 less ($126.99 vs $149.95).
VIAIR 300P
#7 in Heavy dutyFull review
For truck, Jeep and SUV owners who air down on weekends and want a proven compressor at a sensible price. Bigger tires or long sessions call for a 400P or 450P.
Amazon $158.06 VIAIR $149.95$149.95
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Smittybilt 2780 for airflow (72 L/min (maker) vs 65.1 L/min (maker)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every heavy duty tire inflator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Smittybilt 2780 | VIAIR 300P |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| Value 35% | 89 $126.99 | 83 $149.95 |
| Airflow 30% | 40 72 L/min (maker) | 31 65.1 L/min (maker) |
| Features 20% | 60 runs 40 min at a time, 150 PSI max; no auto shutoff | 60 runs 30 min at a time, 150 PSI max; no auto shutoff |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Smittybilt 2780 | VIAIR 300P | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Airflow (maker) | 72 L/min | 65.1 L/min |
| Auto shutoff | No | No |
| Duty cycle | 40 min on | 30 min on |
| Noise | - | 78 dB |
| Power | ||
| Power | Battery clamps | Battery clamps |
| Power bank | No | No |
| Power cord | 10 ft | 8 ft |
| Build | ||
| Air hose | 288 in | 300 in |
| Light | - | No |
| Dimensions | - | 9.0 x 4.9 x 7.5 in |
| Weight | 13 lb | 8.7 lb |
| Warranty | 1 year | 1 year |
| Released | 2011-11 | 2024-04 |