There is no CFM rating for this model at 30 psi as it's below the normal cycling range of the compressor of 90-135 PSI. The CFM rating at 135 PSI is 10.7 and at 90 PSI the CFM is 11.8.
Free Gift Card Details
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 03/01/27.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Ingersoll Rand Gas-Powered Portable Air Compressor, 5.5 HP Kohler Engine, 8 Gallons, 11.8 CFM @ 90 PSI, Model# SS3J5.5GK-WB

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not Available
- 100% continuous duty for tough applications
- Powered by 5.5 HP Kohler gas engine
- Cast iron single-stage pump with splash lubrication
- Oversized industrial bearings
- Includes two quick disconnects to power multiple tools
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) Gas-powered portable air compressor
Downloads
Features + Benefits
- 100% continuous duty for tough applications
- Powered by 5.5 HP Kohler gas engine
- Cast iron single-stage pump with splash lubrication
- Oversized industrial bearings
- Includes two quick disconnects to power multiple tools
- Safety relief valve
- Built-in pressure gauge
- Discharge pressure regulator with gauge
- 8-gallon total air capacity (Twin 4 gallon tanks)
- Drain System: Manual Drain
- Extend the pump warranty to 2yrs by purchasing & using the 2yr Warranty Start Up Kit (Item# 6132039 - sold seperately)
Key Specs
| Attribute | Specification |
|---|---|
item# | 78398 |
Brand | Ingersoll Rand |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 175.0 LB |
Horsepower | 5.5 HP |
Air Tank Size | 8 Gal |
Engine Brand | Kohler |
CFM at 90 PSI | 11.8 |
Max. PSI | 135 |
Stage | 1 |
| Attribute | Specification |
|---|---|
Duty Cycle | 100 % |
Fuel Capacity | 0.97 Gal |
Engine Start Type | Recoil |
Pump Material | Cast Iron |
Air Outlet Size | 1/4 in. NPT |
Low Oil Shutdown | No |
Lubrication System | Splash |
Tank Orientation | Horizontal |
Product Weight | 175.0000 lb |
Dimensions L x W x H (in.) | 43.0 x 18.0 x 25.0 in |
Reviews
Questions & Answers
Questions
-
· 2 years ago
how many CFM@30 psi ?
1 answer-
ProductExpert6· 2 years ago
Helpful?
-
-
· 2 years ago
Roughly how long will it run on a tank of gas
1 answer-
ProductExpert6· 2 years ago
The air compressor would run approximately 1 to 1 1/2 hours on a tank of gas.
Helpful?
-
-
· 3 years ago
What is CFM at 125 psi
1 answer-
ProductExpert11· 3 years ago
The CFM rating at 125 PSI will be 9 CFM.
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Warranty
Manufacturer's Warranty
1 year limited warranty
Compare with Most Popular in Portable Gas Air Compressors
See All Portable Gas Air Compressors
See All Ingersoll Rand Portable Gas Air Compressors
Currently Viewing This Product
$1481.99Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not Available
- $2098.99
Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Item # 59771
$1479.99Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
5.5 HP
9.5 HP
4.8 HP
8 Gal
8 Gal
8 Gal
Kohler
Kohler
Honda
11.8
18.1
9.9
135
135
150
1
1
1
100 %
100 %
-
0.97 Gal
-
-
Recoil
Recoil
-
Cast Iron
Cast Iron
-
1/4 in. NPT
1/4 in. NPT
3/8 in. NPT
No
No
-
Splash
Splash
-
Horizontal
Horizontal
Horizontal
175.0000 lb
190.0000 lb
lb
43.0 x 18.0 x 25.0 in
43.0 x 23.0 x 29.0 in
45.0 x 18.0 x 25.0 in
-
Manual
Manual
-
-
155 PSI
-
-
163 cc
-
-
11.6
See All Portable Gas Air Compressors
See All Ingersoll Rand Portable Gas Air Compressors
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.






