On Titan's published figures the PowrTwin 6900 Plus DI delivers 2.25 gpm from a Honda GX160, and the gas PowrBeast 7700 delivers 2.0 gpm from a Honda GX200. Both are listed at 3300 psi and up to 4 guns. The DI has the larger one-gun and two-gun tips, and the 7700 has the larger three-gun and four-gun tips. They have separate parts diagrams, so order from the one for your model.
The numbers side by side
Both machines are hydraulic-drive airless sprayers: an engine drives a hydraulic system, and that strokes the piston that pumps the coating. The figures below are the ones Titan publishes for each model. They are not a ranking, because each line is built for its own mix of jobs.
PowrTwin 6900 Plus DI (gas) and PowrBeast 7700 (gas), as listed
| Item | PowrTwin 6900 Plus DI | PowrBeast 7700 gas |
|---|---|---|
| Titan part | 290021 | 0537005 as listed by dealers |
| Maximum delivery | 2.25 gpm | 2.0 gpm |
| Maximum pressure | 3300 psi (22.8 MPa) | 3300 psi (22.8 MPa) |
| Engine | Honda GX160 | Honda GX200 (200 cc) |
| Guns | Up to 4 | Up to 4 |
| Pressure control | 400 to 3300 PSI | Not listed |
| Included | RX-Apex Non-Filter gun, 517 tip, 3/8" x 50' hose | RX-Pro gun, 517 TR1 tip, 1/4" x 50' hose |
PowrTwin figures are from Titan's PowrTwin 6900 Plus DI page. PowrBeast 7700 figures are from Titan's PowrBeast series information and dealer listings that reproduce its spec block.
The flow difference is 2.25 gpm against 2.0 gpm. Pressure and gun count are the same. The packaged hose differs: the DI is listed with a 3/8" x 50' hose and the 7700 with a 1/4" x 50' hose, and the gun differs as well, an RX-Apex Non-Filter on the DI against an RX-Pro on the 7700.
Tip sizes
Maximum tip size by number of guns
| Guns | PowrTwin 6900 Plus DI | PowrBeast 7700 gas |
|---|---|---|
| 1 gun | 0.050" | 0.047" |
| 2 guns | 0.035" | 0.033" |
| 3 guns | 0.023" | 0.027" |
| 4 guns | 0.019" | 0.023" |
Maximums for the number of guns, not recommended tips.
The DI has the higher limit with one and two guns, which fits its higher listed delivery. With three and four guns the order flips and the 7700's limit is higher. That means the two machines are not simply a larger and a smaller version of one idea. If your work is mostly multi-gun, compare the three-gun and four-gun rows for the tips you use, not just the headline flow.
Tip orifice sets how much coating is delivered and fan angle sets the pattern width. The 7700 accessories page lists the PowrBeast tip seat kit and tip guard. Never exceed the maximum tip size for the number of guns on your model.
Feed system
Titan describes the DI models as having a submersed foot valve for very heavy materials, including drywall mud, and says the DI sprayers use an EZ swing frame. For the PowrBeast, retailers repeating Titan's text list a submersed foot valve to maximize suction for heavy graded materials. Do not assume the two foot valves are alike; check your model's diagram.
We do not compare how the two feed systems perform. Titan publishes no head-to-head figure, and we have none.
What is on the diagrams
The site has a separate diagram set for each line, and they are built differently. The PowrTwin 6900 Plus DI set includes a belt guard assembly, a gas convertokit page and an optional gun manifold assemblies page alongside its fluid section, hydraulic system and main assembly. The PowrBeast 7700 set is organised around the fluid section 0537256, the main assemblies, the hydraulic system, the solenoid assembly and the accessories.
The pump end for the 6900 Plus DI.
The main assembly page for the 6900 Plus DI.
A page the PowrBeast 7700 set does not have.
Repacking kit 138-153A, springs, valve seats and balls.
Shroud, switch, lamp and main assembly parts.
Every PowrBeast diagram page.
Which to open for parts
Read the model tag
It will say PowrTwin 6900 Plus DI or PowrBeast 7700. The complete PowrTwin 6900 DI Plus unit is on the site as 0290021.
Start from the matching fluid section
Use the PowrTwin DI fluid section page or the PowrBeast 0537256 page. The 7700 page lists the 138-153A repacking kit; do not assume a part number carries across lines.
Use the other pages for the rest
Hydraulic filter 451-220 and the RX-Pro gun 0538020 are listed in the PowrBeast set. For PowrTwin parts, use the PowrTwin pages.
Call when in doubt
Phone (713) 931-0006 with model and serial number. Manuals are on our manuals page.
Starting points for each line:
−15%
The Short Version
The 6900 Plus DI is listed at 2.25 gpm and the gas 7700 at 2.0 gpm, with the same 3300 psi and up to 4 guns. The DI has the larger tips at one and two guns, the 7700 at three and four. Pick by the jobs you do, and order parts from the diagram for the sprayer you own.
Not sure which diagram matches your sprayer?
Call (713) 931-0006 with your model and serial number and our parts team will confirm the part before you order.
(713) 931-0006Order by Parts Diagram