MT4 Technical Information



Dimension

The MT4 is 87' 0" in length over the couplers and stands 11' 7" high
The unit is 10' 5" wide over the handrails
Distance between the lead and trailing axle per truck is 9' 4"

General

Built in 1957, Rebuilt in 1979 from Alco RS11's
Weight 241,000lbs
Maximum Curvature Per Single Unit 39 °

Performance

Maximum Continuous tractive Effort 87,000lbs
Minimum Continuous Speed 5.8mph
No Dynamic Brake

Capacities

Sand 18 Cubic Feet
No Fuel, Lube Oil, Or Engine Coolant

Air Brake Equipment

Schedule 26-L
No Automatic / Independent Brake Valve
Control Valve 26-L
No Application Or Charging Control Valve
Relay Valve J84B
Vent Valve No.8
No Horn Or Bell

Trucks

Wheel Diameter 40"
Gear Ratio 74:18
Journal Bearings Hyatt 6.5 x 12"
Brake Rigging Clasp
Brake Shoes 16" Composition


CR # Previous # Builders # Build Date Other
1000 CR 7634   1-1979 Ex PC 7634, ex PRR 7634, nee PRR 8634
1001 CR 7625   2-1979 Ex PC 7625, ex PRR 7625, nee PRR 8625
1002 CR 7638   2-1979 Ex PC 7638, ex PRR 7638, nee PRR 8638
1003 CR 7636   3-1979 Ex PC 7636, ex PRR 7636, nee PRR 8636
1004 CR 7646   3-1979 Ex PC 7646, ex PRR 7646, nee PRR 8646
1005 CR 7607   3-1979 Ex PC 7607, ex NYC 7607, nee NYC 8007
1006 CR 7608   4-1979 Ex PC 7608, ex NYC 7608, nee NYC 8008
1007 CR 7654   4-1979 Ex PC 7654, ex PRR 7654, nee PRR 8654
1008 CR 7620   4-1979 Ex PC 7620, ex PRR 7620, nee PRR 8620
1009 CR 7618   5-1979 Ex PC 7618, ex PRR 7618, nee PRR 8618
1010 CR 7603   5-1979 Ex PC 7603, ex NYC 7603, nee NYC 8003
1011 CR 7606   5-1979 Ex PC 7606, ex NYC 7606, nee NYC 8006
1012 CR 7619   6-1979 Ex PC 7619, ex PRR 7619, nee PRR 8619
1013 CR 7648   6-1979 Ex LV 7648, ex LV 8648, nee PRR 8648
1014 CR 7653   6-1979 Ex PC 7653, ex PRR 7653, nee PRR 8653
1015 CR 7642   7-1979 Ex LV 7642, ex LV 8642, nee PRR 8642
1016 CR 7641   7-1979 Ex LV 7641, ex LV 8641, nee PRR 8641
1017 CR 7643   7-1979 Ex LV 7643, ex LV 8643, nee PRR 8643
1018 CR 7630   8-1979 Ex PC 7630, ex PRR 7630, nee PRR 8630
1019 CR 7645   8-1979 Ex PC 7645, ex PRR 7645, nee PRR 8645
1020 CR 7647   8-1979 Ex PC 7647, ex PRR 7647, nee PRR 8647
1021 CR 7605   9-1979 Ex PC 7605, ex NYC 7605, nee NYC 8005
1022 CR 7650   9-1979 Ex PC 7650, ex PRR 7650, nee PRR 8650
1023 CR 7640   10-1979 Ex LV 7640, ex LV 8640, nee PRR 8640

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