These two Patriots must have been "prototypes of the prototypes"! Neither of these was ever delivered to the Air Force, nor shown to them "officially". I'd really love to see the serial/production numbers on these two. The true Air Force prototypes, called First Test Article vehicles, were given registration numbers 78L481 and 78L482. As most of you know, I own 78L481, and 78L482 went to Hanscom AFB, MA. It was posted recently in another thread.
There are several differences between these two rigs and the ones that went to the Air Force. The Linfield rig resembles the structural pumper version, A/S-32P-12D, but the Air Force rigs had an open booster reel and a 600 gallon tank. The 1000 GPM pumps were downrated to 750 GPM. The West Bradford rig resembles the structural/brush version, A/S-32P-8D. The P-8D didn't have the heated pump compartment and used a 750 GPM pump downrated to 500 GPM. All Air Force units had rounded front wheelwells, not the 5-sided angular ones seen here.
There are several differences between these two rigs and the ones that went to the Air Force. The Linfield rig resembles the structural pumper version, A/S-32P-12D, but the Air Force rigs had an open booster reel and a 600 gallon tank. The 1000 GPM pumps were downrated to 750 GPM. The West Bradford rig resembles the structural/brush version, A/S-32P-8D. The P-8D didn't have the heated pump compartment and used a 750 GPM pump downrated to 500 GPM. All Air Force units had rounded front wheelwells, not the 5-sided angular ones seen here.