Dave, for your records, Brookhaven, PA's website has the following about their apparatus (and one would hope that the info is mostly correct on the site)
Eng 521 - 1992 Spartan/EEI 1500/1000
Sqd 52 - 1999 Spartan/M & W 2000/1000
Res 526 - 1992 Spartan/EEI
And I have Five Points, DE Lad 17 as a 1991 Pierce Lance/2007 ALF 100' TT which I got from a visit to Five Points last year.
Eng 521 - 1992 Spartan/EEI 1500/1000
Sqd 52 - 1999 Spartan/M & W 2000/1000
Res 526 - 1992 Spartan/EEI
And I have Five Points, DE Lad 17 as a 1991 Pierce Lance/2007 ALF 100' TT which I got from a visit to Five Points last year.