Wheels:
2-10-0
PRR Class:
I1
Nickname:
"Decapod", "Hippo"
Purpose:
heavy freight
Built:
1916 through 1923
Builder:
PRR's Altoona Machine Shops, and later Baldwin Locomotive Works
Total Built:
598
Pilot Wheels:
33"
Driver Wheels:
62" (#3 was blind/un-flanged)
Engine Length:
49'3"
Tender Length:
30'7"
Coupled Length:
81'9"
Tractive Effort:
90,000lbf
Top Speed:
50mph
Plusses:
very powerful
Minuses:
slow, hard-riding
On the Chartiers branch these were occasionally seen pulling heavy freight, mostly long coal drags. Photographic evidence of a train double-headed by two I1 engines appeared in the PRRT&HS The Keystone (Vol. 48, No. 1).
PRR #4483 is preserved at the Western New York Railway Historical Society, Hamburg, NY