The Bissell Turboclean Powerbrush Pet 2805 and 2987/2910/2806 are basic carpet cleaners, they work functionally the same. However, there are some difference between them:
(The 2987,2910 and 2806 are almost the same except for color, and the 2910 PowerForce PowerBrush Pet Carpet Cleaner is exclusive to Walmart.)
Edge Bristles
The 2085 has edge bristles to help clean along baseboards and around furniture whereas the 2987/2806/2910 does not have.
Collapsible Handle
The 2085 has collapsible handle for storage to fit into small spaces whereas the 2987/2806/2910 handle does not collapse.
Clean Tank Capacity
The 2987/2806 has a clean water tank capacity of 5/8 gallon while the 2085 has a 1/2 gallon tank.
On/Off Control
The 2987/2806/2910 uses a button control whereas the 2085 uses a foot pedal control. The button is located at the place that you need to bend over to reach, so the foot pedal is more convenient to turn on/off.
Clean Water Tank Position
The 2987/2806/2910 clean water tank locates at the front side of the upper part, the 2805 clean tank locates at the back.
Cord Storage
The 2987/2806/2910 power cord wraps at the back side of the upper part, the 2805 cord wraps on the side.
Power Specs
The 2987/2806/2910 power rating is 4.75 amps versus 3.4 amps on the 2085.
Cleaning Path Width
2987/2806/2910 has cleaning path width of 7.5-inch versus 9.5-inch on the 2085.
Color
The 2987/2806 is Black & Charcoal Gray with Electric Green & Grapevine Purple Accents,
2910 is Black & Charcoal Gray with Grapevine Purple & Electric Green Accents,
the 2085 is Titanium with ChaCha Lime Accents.
Similarities:
* They have two tank system: separate clean water tank and dirty water tank.
* Roll with 4 rows of bristles to scrub messes up and off carpet and area rugs.
* No brush on/off control.
* Lightweight, less than 12 pounds.
* Have removable nozzle, but Not easy removable brush cover.
* 20-foot power cord.
* Comes with a trial size bottle of formula.
* Carry One-year limited warranty.
* There is NO hose or hand tools included. If you need something with hose and tools for cleaning above floor areas, you should look at other machines such as the
Bissell ProHeat 2X Revolution Pet Pro 1986
* Though there is a removable nozzle, it is not mean that you can access to the the roller by removing the nozzle. Because there is another layer under the nozzle which is not detachable without the help of tools. To clean the brushroll, you will need to flip the machine.
If you want to remove the brushroll, you need to use a screwdriver.
For other details, you can download the manuals to learn more:
2897/2806 user guide:
https://support.bissell.com/app/answers/list/p/174899/c/26115
2085 PDF manual:
https://support.bissell.com/app/answers/list/p/67375/c/26115
2910 guide:
https://support.bissell.com/app/answers/list/p/174900/c/26115