Friends of OR&N 197 History --=()=-- Portland, OR
OR&N 197 Specifications
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Builder:
Baldwin Locomotive Works
(Burnham, Williams and Co.)
Construction Number:
25717
Date Built:
May, 1905
Cylinders:
  • As built:
  • As rebuilt in 1923:
.
17x28 and 28x28 inches
22x28 inches
Valve type:
Piston
Valve gear:
  • As built:
  • As rebuilt
.
Stephenson
Walschaert
Boiler Pressure:
200 psi
Driving Wheel Diameter:
77 inches
Weight on Drivers:
142,740 lbs
Total Weights, Loaded:
  • Engine:
  • Engine and Tender:
.
241,180 lbs
399,810 lbs
Wheelbases:
  • Driving:
  • Total:
.
13ft - 4inches
68ft - 7inches
Overall Length:
79ft
Tender Capacities:
  • Water:
  • Fuel Oil:
.
9000 gal
2940 gal
Tractive Effort:
29,920 lbs
Harriman Classification:
P-77 22/28 143

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