VIAIR’s Gen. 2 Dual 425C Onboard Air System (OBA) is our fastest filling OBA, featuring our new 425C Gen.2 compressors capable of putting out 4.80 CFM at 0 PSI head pressure. The 425C is our first compressor with duty cycle of 33% at 175 PSIand 50% at 100 PSI. This pre-packaged compressed air solution includes: two Platinum 425C compressors, a 2.5 gallon air tank, an inline pressure regulator, and all necessary components needed to install a working onboard air system.
The 425C features upgraded internal components that make it a true 175 PSI-rated working pressure pump, and has newly designed thicker vibration isolators that absorb vibration and sound. The modern-inspired head design highlights an eye-catching setup. This Gen. 2 Onboard Air System delivers the vital air source for numerous pneumatic applications.
| FEATURES | 
|---|
| – 2.5 Gallon Matte Black VIAIR Air Tank (200 PSI) | 
| – (2) 425C Platinum VIAIR Compressors | 
| – Illuminated Dash Panel Gauge Kit, Black Face 200 PSI | 
| – Digital Tire Inflation Gun (180PSI) | 
| – 0-220 PSI Pressure Regulator | 
| – Sealed Pressure Switch (165 PSI on, 200 PSI off) | 
| – 1/4” Drain Cock | 
| – Heavy Duty 80 Amp Relay | 
| – Mini ANL Fuse Holder with 60 Amp Fuse | 
| – 1/4” Quick Connect Coupler (M) | 
| – 1/4” 250 PSI Safety Valve | 
| – (4) 1/4” NPT(M) to 1/4” Airline Straight Push to Connect Fittings | 
| – 6-Port Billet Manifold with Mounting Bracket (1/4”) | 
| – (2) 20ft. 1/4” Air Line Included | 
| – 5 Pc. 1/4” NPT Plugs Kit | 
| – Extension Braided Black Coil Hose | 
| – Rubber Tip Blow Gun | 
| – 3-in-1 Air Down Gauge | 
| – Stainless Steel Air Line Cutter | 
PERFORMANCE DATA
| PSI | CFM | A | BAR | LPM | A | 
|---|---|---|---|---|---|
| 0 | 4.80 | 40 | 0 | 136.0 | 40 | 
| 10 | 4.63 | 43 | 1.0 | 125.0 | 45 | 
| 20 | 4.42 | 47 | 2.0 | 118.0 | 48 | 
| 30 | 4.15 | 48 | 3.0 | 111.0 | 53 | 
| 40 | 3.93 | 52 | 4.0 | 100.0 | 55 | 
| 50 | 3.70 | 54 | 5.0 | 95.0 | 56 | 
| 60 | 3.53 | 55 | 6.0 | 84.0 | 57 | 
| 70 | 3.35 | 56 | 7.0 | 80.0 | 57 | 
| 80 | 3.18 | 57 | 8.0 | 72.0 | 57 | 
| 90 | 2.98 | 57 | 9.0 | 69.0 | 56 | 
| 100 | 2.83 | 57 | 10.0 | 59.0 | 55 | 
| 110 | 2.68 | 58 | 11.0 | 55.0 | 53 | 
| 120 | 2.55 | 57 | 12.0 | 49.0 | 51 | 
| 130 | 2.44 | 56 | |||
| 140 | 2.27 | 55 | |||
| 150 | 2.10 | 54 | |||
| 160 | 1.95 | 53 | |||
| 170 | 1.80 | 52 | |||
| 175 | 1.74 | 51 | 
* Supply Voltage: 13.8 Volts
FILL RATES
| 2.5 GALLON TANK | FILL RATE | 
|---|---|
| 0 to 175 PSI | 1 min. 40 sec. (± 05 sec.) | 
| 140 to 175 PSI | 28 sec. (± 03 sec.) | 
| 5.0 GALLON TANK | FILL RATE | 
| 0 to 175 PSI | 3 min. 06 sec. (± 10 sec.) | 
| 140 to 175 PSI | 57 sec. (± 05 sec.) | 
| 37″ X 12.5″ TIRES | FILL RATE | 
| 0 to 30 PSI | 3 min. 16 sec. (± 10 sec.) | 
| 15 to 30 PSI | 1 min. 52 sec. (± 05 sec.) | 
| 40″ X 15.5″ TIRES | FILL RATE | 
| 0 to 30 PSI | 4 min. 01 sec. (± 10 sec.) | 
| 15 to 30 PSI | 2 min. 11 sec. (± 05 sec.) |