VEVOR CNCJ-80K-1 Rammer
A low-cost rammer for one-off trench and footing work. Little beyond force and engine size is published.
Amazon $949.90$949.90
The VEVOR CNCJ-80K-1 Rammer rates 3.8 among jumping jack rammers plate compactors; the MechMaxx PC90Z rates 3.6 among plate compactors ones. The MechMaxx PC90Z costs $50.90 less ($899 vs $949.90).
MechMaxx PC90Z
A mid-price plate with a believable force rating for landscapers and serious homeowners. The warranty is short.
Amazon $899$899
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (jumping jack rammers and plate compactors), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | VEVOR CNCJ-80K-1 Rammer | MechMaxx PC90Z |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Value 30% | 98 $263.86 per 1,000 lbf ($949.90, 3,600 lbf credited) | 78 $249.72 per 1,000 lbf ($899, 3,600 lbf credited) |
| Force 25% | 100 3,600 lbf | 70 3,600 lbf |
| Plate 10% | 50 plate size not published (neutral score used) | 71 378 sq in (18 x 21 in) |
| Build 15% | 50 engine and accessories not published (neutral score used) | 30 wheel kit included |
| Warranty 20% | 0 warranty not published, scored as none | 33 1-year warranty |
Specifications
| VEVOR CNCJ-80K-1 Rammer | MechMaxx PC90Z | |
|---|---|---|
| Compaction | ||
| Claimed force | 3,600 lbf | 3,600 lbf |
| Credited force | 3,600 lbf | 3,600 lbf |
| Plate or shoe | - | 18 x 21 in |
| Vibrations per minute | - | 4,750 vpm |
| Travel speed | - | 72 ft/min |
| Compaction depth | 26 in | 12 in |
| Engine | ||
| Engine | 196cc | Zonsen GB210 208cc |
| Power | - | 5.8 hp |
| Build | ||
| Water tank | - | No |
| Wheel kit included | - | Yes |
| Weight | 171.5 lb | 196 lb |
| Warranty | - | 1 year |