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🔧 Unleash pro-grade power in a compact frame — your ultimate impact wrench upgrade!
The Chicago Pneumatic CP7773 is a 1-inch drive pneumatic impact wrench delivering up to 1,200 ft.lb of torque. Designed for heavy-duty maintenance and truck applications, it features a durable twin hammer clutch, a six-vane motor for enhanced speed, and a three-position power regulator for precise control. Lightweight at 12.1 lbs and engineered for operator comfort with reduced noise and ergonomic design, it’s the go-to tool for professionals demanding power and reliability.










| ASIN | B000NP2RG2 |
| Best Sellers Rank | #335,573 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #505 in Power Impact Wrenches |
| Brand Name | Chicago Pneumatic |
| Color | Red |
| Customer Reviews | 4.4 4.4 out of 5 stars (125) |
| End Style | Socket End |
| Finish Types | Clear |
| Global Trade Identification Number | 00015451566173 |
| Head Style | Square Drive |
| Included Components | Air Impact Wrench |
| Is Non Sparking | No |
| Is Racheting | Yes |
| Item Length | 9.21 Inches |
| Item Torque | 1200 Foot Pounds |
| Item Type Name | Impact Wrench |
| Item Weight | 12.1 Pounds |
| Jaw Capacity | 1 Inches |
| Manufacturer | Chicago Pneumatic |
| Manufacturer Warranty Description | 1 year limited warranty |
| Material Type | Metal |
| Measurement Standard | SAE (Inch) |
| Model Number | CP7773 |
| Operation Mode | Pneumatic |
| Package Quantity | 1 |
| UPC | 086000272401 015451566173 |
| Unit Count | 1.0 Count |
| Voltage | 120 |
T**T
Big size, big torque, gets the job done.
We have a piece of equipment that has some big fasteners that occasionally will come off with my IR 2131 1/2" impact, and I mean after it really tries to pound on it and the compressor tank is pumped all the way up. With this one, the same fastener takes one to two hits and is loose. Definitely a bruty piece that has plenty of torque.
C**M
Great tool!
We put this through a tough test changing the blades on a bulldozer and it didn't falter at all. Great power and no issues.
D**N
Runs horribly on 100 psi
Make sure you have 120 psi or something in your lines and don't neck down, because this puppy doesn't want to ruin without a good supply of air.
K**9
Nice impact, very balanced and lite
Nice impact, very balanced and lite, easy to handle, also a easy to go to gun. For those who think this unit is heavy, compared to my beloved CP 796, it feels very lite. There is definitely the quality CP feel to it.
R**R
Field mechanic heavy diesel
It's a good gun and it's quiet but the harbor freight one like it actually hits harder but it definitely last longer I've been changing track pads on 336f cats for a month straight and I can only get about 4 12 hour days out of the cheep ones but they pull the bolts the cps won't
R**Y
solid power
This CP 3/4" impact is replacing the same size and brand we've used almost 20 years.
A**I
Gun has power. Tightens 3/4 and 7/8 u bolts ...
Gun has power. Tightens 3/4 and 7/8 u bolts until they stretch which is what you want. And for the price of this gun can't beat it. Chicago pneumatic has been my go to for pneumatic tools!!
D**5
Works good but heavy
Seems to work good bought it for the shop working good so far its a bit on the heavy side but was going for durability and not sure the composite would hold up to the abuse
I**L
Es un excelente producto, muy recomendable
A**S
Plenty of power but heavy as hell took a guess and bought anyways there were no videos on youtube.... happy with it i bought as well a protective cover looks sick
I**A
muy buen producto
C**S
el producto es de muy buena calidad, con excelente rendimiento, pero si hay que estarle dando su mantenimiento como lubricarla diariamente si es que se usa demasiado.
K**S
I’ve a big air coupling to supply more air to it but the small coupling would do too it’s strong but it’s very heavy,I hope that being so heavy means that is well made and it’s gonna last for a long time.Payed about 430£ for it which is very good value for money
Trustpilot
3 weeks ago
2 months ago