joe_c

From the 2005 Manual:

Reg. Cab 6.5’ box/SuperCab 5.5’ box
26.0 gallons
(98.4L)

SuperCrew 30 gallons
(113.6L)

Reg. Cab 8’ box/SuperCab 6.5’ box/SuperCab 8’box
27 gallons
(102.1L) Standard
35.7 gallons
(135.1L) Optional

2nd150

I tried different VINs from ebay--2007 is the last year that works, so if its older than that you're SOL.