BCI GROUP # U1-250 CCA (riding lawnmower size).
Attach NEG to engine base and POS to Starter “Solenoid” largest stud with two smaller wires already attached to it.
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NorthStar Gas-Powered Air Compressor, Honda GX390 OHV Engine, 30-Gallon Horizontal Tank, 24.4 CFM @ 90 PSI

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- Honda GX390 OHV engine with electric start/recoil backup and low oil shutdown
- 3 Amp battery charging circuit (battery not included)
- Full cast iron pump for long service life
- V-style cylinder design for superior cooling
- Pump head made of FC35 Grade cast iron
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Portable gas-powered air compressor
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HIGH EFFICIENCY
Capable of delivering 24.4 CFM AT 90 PSI, this compressor supports heavy-duty tools and applications with ease. Its efficient design allows for a 100% DUTY CYCLE, ensuring it can handle continuous use without overheating
UNMATCHED POWER
Equipped with the robust HONDA GX390, this compressor starts easily and includes a 3 AMP CHARGING SYSTEM for consistent power. Its electric start and recoil backup ensure reliability in any situation
USER-FRIENDLY FEATURES
A LIQUID-FILLED PRESSURE GAUGE provides accurate readings and protects against spikes, while a sight glass offers QUICK OIL LEVEL CHECKS. The compressor’s design emphasizes both performance and ease of maintenance
SMOOTH OPERATION
Featuring LOW VIBRATION TECHNOLOGY(LVT) and a dynamically balanced pump, this compressor operates smoothly, minimizing wear and prolonging its life. It’s designed for both high PERFORMANCE and DURABILITY
SUPERIOR LONGEVITY
The full cast iron pump and V-STYLE CYLINDER design enhance cooling, reducing wear and extending the compressor’s lifespan. Quality materials and design promise years of dependable service
Features + Benefits

- Honda GX390 OHV engine with electric start/recoil backup and low oil shutdown
- 3 Amp battery charging circuit (battery not included)
- Full cast iron pump for long service life
- V-style cylinder design for superior cooling
- Pump head made of FC35 Grade cast iron
- Floating-type Swedish steel valves deliver much longer valve life
- Operates at slower RPM to run cooler and last longer
- Low Vibration Technology (LVT) features a dynamically balanced pump for smooth operation and long life
- 1-piece cast iron crankcase has bearings on both ends of crankshaft for superior crankshaft support, not overhung crankshaft design
- 100% duty cycle
- Delivers 24.4 CFM @ 90 PSI
- 175 max. PSI
- Pump runs at 1,300 RPM
- Oversized flywheel for cooler operation
- Heavy cast iron flywheel provides extra momentum
- Step-type piston rings ensure piston ring overlap for better compression
- Sight glass for quick viewing of oil level
- Replaceable crank journals and wrist pin journal/needle bearings
- 2-piece connecting rods can be rebuilt for superior serviceability
- High-pressure piston wrist pins have needle bearings
Key Specs
| Attribute | Specification |
|---|---|
item# | 459382 |
Brand | NorthStar |
Manufacturer's Warranty | 4 year limited warranty |
Ship Weight | 490.0 LB |
Horsepower | 12 HP |
Air Tank Size | 30 Gal |
Engine Brand | Honda |
CFM at 90 PSI | 24.4 |
Max. PSI | 175 |
Stage | 2 |
Duty Cycle | 100 % |
Fuel Capacity | 1.6 Gal |
| Attribute | Specification |
|---|---|
Engine Displacement | 390 cc |
Engine Start Type | Electric and Recoil |
Pump Material | Cast Iron |
Air Outlet Size | 3/4 in. NPT |
CFM at 40 PSI | 26.8 |
Oil Required | Yes |
Low Oil Shutdown | Yes |
After Cooler Included | Yes |
Drain Type | Manual |
Tank Orientation | Horizontal |
Product Weight | lb |
Dimensions L x W x H (in.) | 41.0 x 19.0 x 40.0 in |
Reviews
Questions & Answers
Questions
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· 11 years ago
Honda GX-390
I bought from you guys portable gas powered air compressor Honda GX-390,my question is what kind of battery I have to hook up and how connect cable for electric start ?
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Rotomech· 6 years ago
Helpful?
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CBake· 7 years ago
Group U1
Helpful?
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Dcheck· 8 years ago
I just put a extra car battery next to it no place to mount one. Run old jumper cables pretty simple little bit tight
Helpful?
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NorthStarExperts· 11 years ago
You would need to purchase a 12 volt battery with a minimum of 18 amp hour rating.
Battery Connection: Always connect the cables in the following sequence to avoid possible shock. 1. Connect one end of the red (+) cable to compressor engine’s starter solenoid terminal. Note: Access to the solenoid terminal is from the top may require reaching between the gasoline tank and shroud covering the compressor’s cooling fan. 2. Connect one end of the black (-) cable to compressor engine’s mounting bolt, frame bolt, or other good engine ground connection. 3. Connect other end of the red (+) cable to battery positive (+) terminal. 4. Connect other end of the black (-) cable to battery negative (-) terminal as shown. 5. Coat terminals and cable ends with grease if they
are to remain permanently connected .Helpful?
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· 7 years ago
What size battery in CCA/CA @ 12v dc
Assuming this is a 12 volt system, does it have an alternator like the Ingersoll one? If not what kind of charging system does it have? What is the battery size requirement in CCA & CA? And is it wet or dry cell?
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NorthstarExpert12· 3 years ago
This unit/engine does have a 3 amp charging system. If an external battery is used, it requires a group U1 with a minimum rating of 18 amp hour (Ah) and should have 330 cold cranking amps (CCA) for winter or 170 CCA for summer. It would be a lead acid wet battery.
Helpful?
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CBake· 7 years ago
Yes, charges at 3 amps. I recommend installing a solar charger, as I did.
Helpful?
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NorthStarExperts· 7 years ago
This unit/engine does have a 3 amp charging system. If you are using an external battery it requires a group U1 with a minimum rating of 18 amp hour and should have 330 CCA for winter or 170 CCA for summer. It would be a led acid wet battery.
Helpful?
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· 8 years ago
Does the air tank have a drain ?
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Rotomech· 6 years ago
Yes and it ships opened up.
Helpful?
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Racer85· 8 years ago
yes it does
Helpful?
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NorthstarExpert11· 8 years ago
This compressor's air tank has a drain valve on the bottom.
Helpful?
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· 8 years ago
Can I connect this air compressor to my truck battery
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Rotomech· 6 years ago
Yes, i have another compressor that i have wired in to the trucks battery. This compressor has a 12 volt starting/ignition system.
Helpful?
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Racer85· 8 years ago
Yes you can
Helpful?
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NorthstarExpert13· 8 years ago
When this compressor is mounted on a vehicle it is possible for the compressor to be connected to the vehicle battery as long as it is a 12 volt system.
Helpful?
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· 12 years ago
Duration of operation
How many hours at a time this unit can be used for or does it have to be shut down after a period of time to prevent over heating ? And what is the time (2 hours , 3hours.....)?
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Rotomech· 6 years ago
This compressor can run continuously. When you run out of fuel, let it cool for a few minutes ( to prevent a fire from possibly spilling gas) and fill the tank with “Ethanol Free” unleaded gasoline, that’s all the rest it would ever want. Regular unleaded gas works fine but we have found that the newer Honda’s seem to be less temperamental on “E-Free” gas, 87 octane minimum.
Helpful?
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Dcheck· 8 years ago
Time doesn't matter high external temp might be something to keep in mind. Well oiled good airflow no problems
Helpful?
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NorthStarExperts· 11 years ago
This NorthStar Portable Gas-Powered Air Compressor is rated at a 100% duty cycle for continuous use. A specific run time for the engine is not available due to many variables including idle time, the frequency of the compressor pump kicking on and off, etc. The engine should be allowed to cool off for at least two minutes before refilling the gas tank.
Helpful?
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· 8 years ago
Does this unit come with rubber feet to dampen vibration?
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NorthstarExpert12· 4 years ago
This NorthStar air compressor does not include rubber feet; however, we do offer vibration pads, item 49494, which can be purchased separately.
Helpful?
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Racer85· 8 years ago
no it does not
Helpful?
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· 10 years ago
Is the compressor a 2 stage?
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CBake· 7 years ago
Yes, Stage 2
Helpful?
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NorthStarExperts· 10 years ago
This NorthStar compressor is a 2 stage compressor. All NorthStar air compressors are designed, engineered and tested in Faribault, MN. They are backed with our industry-leading warranty, guaranteeing that the highest quality, dependability, reliability and superior performance is built into every one.
Helpful?
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· 10 years ago
COMPRESSOR COVER ?
Since this will be mounted in the back of a pick up truck, I would like to cover it when not in use. Do you make an outdoor rated cover to protect this ?
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NorthstarExpert12· 3 months ago
Currently, we do not offer a cover that is designed specifically for an air compressor; however, we do offer tarps. Items 4955269 or 4955331 are options we offer that could work for covering this compressor.
Helpful?
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CBake· 7 years ago
I've wondered the same thing and was unable to find one. Since I use mine as stationary, I built a cover. You could probably find a generator cover with drawstrings to cinch tight enough so the wind doesn't take it. As I did with my trailer mounted pressure washer.
Helpful?
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· 2 months ago
Is this powerful enough to spray motar or stucco
1 answer-
NorthstarExpert12· 2 months ago
This air compressor is capable of supplying up to 24.4 CFM at 90 PSI. It is best to check the air requirements of the machine being used when selecting the appropriate air compressor.
Helpful?
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· 3 months ago
Is the tank OSHA approved ? The inspector from the pressure vessel unit is giving me a hard time because the tank doesn’t have a certified tag/ plate on the tank ?
1 answer-
NorthstarExpert12· 3 months ago
The tank of this compressor is ASME certified. It does not have a separate OSHA rating.
Helpful?
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Warranty
Manufacturer's Warranty
4 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Item # 459382
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Specifications
12 HP
14 HP
14 HP
18 HP
30 Gal
20 Gal
30 Gal
60 Gal
Honda
Kohler
Kohler
Honda
24.4
18
24.3
40
175
175
175
35
2
2
2
2
100 %
70 %
100 %
60 %
1.6 Gal
1 Gal
1.5 Gal
5 Gal
390 cc
429 cc
-
41.97 cc
Electric and Recoil
Electric and Recoil
Electric and Recoil
Electric
Cast Iron
Cast Iron
-
Cast Iron
3/4 in. NPT
1/4 in. NPT
3/4 in. NPT
3/4 in. NPT
26.8
19
-
40
Yes
-
-
Yes
Yes
-
-
No
Yes
Yes
-
No
Manual
Ball Valve
Manual
Manual
Horizontal
Horizontal
Horizontal
Horizontal
lb
651.0000 lb
lb
832.0000 lb
41.0 x 19.0 x 40.0 in
51.0 x 27.75 x 36.0 in
44.0 x 22.0 x 46.0 in
35.0 x 57.0 x 50.0 in
-
2
-
1
-
3,600
-
3,600
-
175 PSI
-
145 PSI
-
60,000 hr
-
60,000 hr
-
Belt
-
Belt
-
Pressure
-
Pressure
-
Yes
-
Yes
-
No
-
No
-
None
-
None
-
Kohler Command
-
GX630
-
-
-
12
-
-
-
1
-
-
-
35
-
-
-
85 dB
-
-
-
2.3 min
See All Stationary Gas Air Compressors
See All NorthStar Stationary Gas Air Compressors
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