VIAIR Corporation

Dual 280C OBA

For up to 35" Tires

150 PSI / 2.96 CFM P/N 20011

VIAIR’s Dual 280C Onboard Air System is a pre-packaged compressed air solution that provides two 280C, 30% duty cycle compressors, a 2.5 gallon air tank, inline pressure regulation, and all components needed to install a working system capable of inflating tires, managing air locking differentials, and more.

Please Note: Use thread sealant for proper installation.
Teflon tape is not recommended.
Properly sealed, recommended torque for 1/8" is 10 ~ 11 ft. lbs. Recommended torque for 1/4" and 3/8" is 12 ~ 15 ft. lbs.

air tool icon tire inflation icon air locker icon air horn icon

Features:
- 2.5 Gallon 150 PSI VIAIR Air Tank
- (2) 280C VIAIR Compressors
- 30ft. Coil Hose with Quick Connects
- Tire Inflation Gun with 200 PSI Gauge
- 0-220 PSI Pressure Regulator
- Sealed Pressure Switch (110 PSI on, 145 PSI off)
- 150 PSI Illuminated Dash Panel Gauge
- (2) 40-amp Relays
- Inline Fuse Holder
- 1/4” Quick Connect Coupler (M)
- 1/4” 175 PSI Safety Valve
- 1/4” Drain Cock
- (2) 1/8” BSP to 1/4” NPT
- (4) 1/4” Compression Fittings
- 5 Pc. 1/4” NPT Plugs Kit
- 6-Port Billet Manifold with Mounting Bracket (1/4”)
- (2) 15ft. 1/4” Air Line Included
- Electrical Connections

* All Fittings are NPT rated unless otherwise noted.
** Wiring harness NOT included.

Recommended Components:
- Mounting Bracket (P/N 95900)

- 12-Volt
- Permanent Magnetic Motor
- Duty Cycle: 30% @ 100 PSI
- Max. Working Pressure: 150 PSI
- Max. Amp Draw: 33 Amps
- Ingress Protection Rating: IP54

User Manual
Dimensional Drawings
Wiring Diagram
Plumbing Diagram

PSI CFM A BAR LPM A
0 2.96 21 0 84.0 21
10 2.78 24 1.0 75.5 25
20 2.58 26 2.0 69.0 28
30 2.38 28 3.0 62.5 30
40 2.27 29 4.0 56.5 31
50 2.13 31 5.0 51.5 32
60 1.97 31 6.0 47.0 32
70 1.88 32 7.0 43.5 32
80 1.74 32 8.0 39.5 32
90 1.62 32 9.0 36.0 32
100 1.56 32 10.0 33.5 32
110 1.46 32      
120 1.37 32      
130 1.29 32      
140 1.23 32      
150 1.16 32 * Supply Voltage: 13.8 Volts

2.5 Gallon Tank Fill Rate
0 to 105 PSI 1 min. 06 sec. (± 10 sec.)
85 to 105 PSI 16 sec. (± 03 sec.)
0 to 145 PSI 1 min. 44 sec. (± 10 sec.)
110 to 145 PSI 31 sec. (± 05 sec.)
33" x 12.5" Fill Rate
0 to 30 PSI 4 min. 10 sec. (± 15 sec.)
15 to 30 PSI 1 min. 50 sec. (± 10 sec.)
35" x 15.5" Fill Rate
0 to 30 PSI 5 min. 02 sec. (± 15 sec.)
15 to 30 PSI 2 min. 15 sec. (± 10 sec.)



 
WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

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