Found at Fentonfire.com:
1987 Spartan Darley Snorkel 55′ 1500/0 (Q0926)
Really nice 1987 Spartan Snorkel for sale!
6 cylinder Cummins
Allison automatic
Front tires 315/80R22.5 in good condition, rear tires 12R22.5 in good condition
10-man Spartan cab
(2) SCBA seats
No booster tank
Q2 siren
Electronic siren
55-ft Snorkel (will have new certification) Excellent condition,679 Engine Hours
thanks Al