Generac 6602 vs 7122 vs 7143

Trying to make a hard decision between Generac 6602 vs 7122 vs 7143 for your home? Then come on board with us on this brief review to make your choice confidently!

Difference between Generac 6602, 7122, and 7143.

Power Comparison

All three machines are gas-powered washers. The 6602 and 7143 can reach 3100 PSI pressure, while the 7122 can touch the 3200 PSI point. In case you might not know, 3100 PSI pressure is the sweet spot for commercial pressure washers.

The Generac 6602 uses a 212 cc OHV engine. This is a powerful engine manufactured by Generac, which can generate the highest water output at 2.8 GPM. On the other hand, the 7122 and 7143 models use pumping engines, which are less powerful than 6602.

Generac 6602 Gas Powered Pressure Washer
Generac 6602 Gas Powered Pressure Washer

The 7122 possesses a 196cc OHV engine, while the 7143’s is only 173cc. Still, they can produce nearly equivalent power as of 6602. Generac 7122 can deliver up to 2.7 GPM, whereas the 7143 offers only 2.5 GPM of water flow.

The point of saying all these numbers? For you to calculate the cleaning units (C.U) of each machine: the higher the C.U is, the more efficient the washer is (Cleaning units = PSI x GPM).

All in all, the 6602 version, with the C.U of 8680, is slightly better than the 7122 at 8640 C.U and overwhelmed the 7143, which can only reach 7750 C.U.

Design Comparison

The 6602, 7122, and 7143 have a similar design. All are constructed with a hand truck design with run-flat wheels contributing to their maneuverability.

Unlike the two newer models, the handle of the 6602 doesn’t offer rubber-padded, which provides a less confident grip. Yet, they all have good great mobility and comfort when using.

The result of this round shall lie on the weight of each machine. The heaviest one is the 6602, weighing 68.5 lbs. The second place is 7122, which weighs around 62 lbs, and finally, in 7143 at 58.1 lbs.

Winner: The Generac 7143 wins by an inch.

Generac 7143 Pressure Washer
Generac 7143 Pressure Washer

Features Comparison

These machines have more similarities when it comes to accessories and functions.

A Chemical detergent tank can be found on all three models. While the 7122 and 7143 can hold up to 0.5 gallons, the 6602 exceeds by 0.25. They all come with a 30ft high-pressure hose and on-board storage with a hook to keep all accessories neatly when not being used.

Here are distinguished points among the Generac 6602 vs 7122 vs 7143. Regardless of using the same PowerDial control system, the 7122 and 7143 introduce PowerDial trigger gun, which is more convenient. With this, you don’t have to run back to the main unit to change the setting whenever needed.

Another point is that the number of nozzles on the two newer models has increased. Compared to only three nozzles on the 6602: 0o, 25o, and soap, the Generac 7122 and 7143 offer an extra 40o nozzle, Power Broom, and Soap Blaster. Not to mention, the 7122 provides a Turbo nozzle for special cleaning.

Generac 7122 Pressure Washer
Generac 7122 Pressure Washer

Power Broom: An extending attachment to help cleaning driveways and decks way easier with high-pressure nozzles and broad coverage.

Soap Blaster: A nozzle that can produce a high-pressurized detergent stream that reaches three times farther than normal, penetrating stains for a satisfying result.

Turbo: Rotating pinpoint stream that works 30% quicker, suitable for removing stubborn dirt from tough surfaces such as concrete and brick.

The crown goes to the Generac 7122 for the number of nozzles. Even though the 6602 has a larger detergent tank and the 7143 has a quick electric start, they contribute less to the cleaning task’s efficiency.

Quick Rundown of Generac 6602

Generac 6602 Pressure Washer
499 Reviews
Generac 6602 Pressure Washer
  • Generac 212cc OHV engine rated largest, most powerful engine in its class
  • PowerDial Variable-Pressure Control -Easily adjust the intensity of the spray to clean a wide range...
  • Consolidated Control Panel – All controls are efficiently located in a single location
  • Comfort-grip Handle – Provides greater comfort for ease-of-use. Easy-to-pull inverted trigger...
  • 30’ High Pressure Hose – Extended range for improved use
Pros
  • Best cleaning efficiency when it comes to C.U
  • Larger detergent tank
Cons
  • Fewer accessories
  • Heaviest

Quick Rundown of Generac 7122

Sale
Generac 7122 Pressure Washer
502 Reviews
Generac 7122 Pressure Washer
  • Clean smarter. Clean up to 50% faster.
  • Power Dial ergonomic spray gun allows you to easily adjust the pressure needed between four...
  • Attachments included: Turbo nozzle removes dirt and grime 30% faster, soap blaster sprays soap 3x...
  • Generac 196cc OHV engine delivers maximum cleaning performance
  • Includes 25 feet high pressure flex hose (kink resistent, non-marring) and 4 quick-change nozzle...
Pros
  • Most number of nozzles
  • PowerDial gun
Cons
  • Recoil pull start

Quick Rundown of Generac 7143

Generac 7143 Pressure Washer
103 Reviews
Generac 7143 Pressure Washer
  • ONE TOUCH PUSH START - electric start with auto-choke provides reliable, hassle-free startups
  • LI-ION BATTERY and charger included - Battery holds charge for up to 18 months
  • POWERDIAL SPRAY GUN - easily adjust the pressure needed between four different tasks - car, wood,...
  • 12-inch POWER BROOM & SOAP BLASTER included
  • 4 quick-change nozzles included - 0 Degree, 25 Degree, 40 Degree, soap
Pros
  • Lightest
  • PowerDial gun
  • Electric quick start
Cons
  • Lower water flow (2.5 GPM)

Conclusion

Image
Rank 1
Generac 7122 SpeedWash,...
Rank 2
Generac 6602 OneWash...
Rank 3
Generac 7143 eStart PW...
Model
Generac 7122
Generac 6602
Generac 7143
User Reviews
502 Reviews
499 Reviews
103 Reviews
User Rating
Price
$440.10
$599.00
$444.99
Rank 1
Image
Generac 7122 SpeedWash,...
Model
Generac 7122
User Reviews
502 Reviews
User Rating
Price
$440.10
More Info
Rank 2
Image
Generac 6602 OneWash...
Model
Generac 6602
User Reviews
499 Reviews
User Rating
Price
$599.00
More Info
Rank 3
Image
Generac 7143 eStart PW...
Model
Generac 7143
User Reviews
103 Reviews
User Rating
Price
$444.99
More Info

The battle of Generac 6602 vs 7122 vs 7143 ends in a close tie. Nevertheless, these machines from Generac are all great choices with high-quality control and wide distribution.

Still, I incline toward the 7122, which balances in both power and functions. Depending on your preference, if you have bad luck with recoil pull starter, skip the 6602 and 7122, and get the 7143 with a Li-ion battery for a hassle-free, electric quick start.

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