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Central RR of New Jersey classes G-1s to G-4s ( classes P-43, P-47 and P-52)
United States | 1918 | 21 produced
No. 833 in December 1937 at Atlantic City, New Jersey
No. 833 in December 1937 at Atlantic City, New Jersey
Theodore A. Gay / collection Taylor Rush

The Pacifics of the Central Railroad of New Jersey were loosely based on the Reading class G1, so they had a Wootten firebox. The first classes consisted of six G-1s built in 1918 and five G-2s from 1923. Like the later classes, they had been built by Baldwin.

When the CNJ got access to more soft coal, five G-3s were built in 1927. These had a narrower firebox with a width of eight instead of nine feet. Other improvements included a stoker, a mechanic lubricator, a feedwater heater and a larger tender. Five G-4s followed in 1930 which had smaller drivers and a smaller loading gauge for working through the tunnels in eastern Pennsylvania.

In 1945, the CNJ adopted a new class scheme. They now got the prefix P for “Pacific” and a number that denoted the tractive effort in thousands of pounds. So the G-1s and G-2s became the P-43, the G-3s became the P-47 and the G-4s became the P-52. The last ones were retired in 1955.

VariantG-1sG-2sG-3sG-4s
General
Built1918192319271930
ManufacturerBaldwin
Axle config4-6-2 (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase35 ft 7 in36 ft 6 in36 ft 8 in36 ft 9 in
Fixed wheelbase13 ft 10 in
Total wheelbase72 ft72 ft 2 in78 ft 2 1/2 in
Service weight306,330 lbs306,000 lbs326,470 lbs333,830 lbs
Adhesive weight180,390 lbs196,000 lbs197,660 lbs205,900 lbs
Total weight475,330 lbs475,000 lbs543,470 lbs587,730 lbs
Axle load60,130 lbs64,000 lbs65,887 lbs68,633 lbs
Water capacity8,000 us gal10,000 us gal13,500 us gal
Fuel capacity30,000 lbs (coal)24,000 lbs (coal)30,000 lbs (coal)
Power
Power sourcesteam
Estimated power3,500 hp (2,610 kW)3,600 hp (2,685 kW)3,900 hp (2,908 kW)
Optimal speed52 mph49 mph48 mph
Starting effort42,768 lbf46,841 lbf52,180 lbf
Power Plant
Driver diameter79 in74 in
Boiler pressure210 psi230 psi240 psi
Expansion typesimple
Cylinderstwo, 26 x 28 in
Boiler
Grate area94.8 sq ft84.3 sq ft
Firebox area303 sq ft311.1 sq ft405 sq ft401 sq ft
Tube heating area3,454 sq ft3,448.9 sq ft3,444 sq ft3,190 sq ft
Evaporative heating area3,757 sq ft3,760 sq ft3,849 sq ft3,591 sq ft
Superheater area816 sq ft791 sq ft1,000 sq ft
Total heating area4,573 sq ft4,551 sq ft4,640 sq ft4,591 sq ft
Calculated Values
steam locomotive
Schhnellzug
last changed: 05/2024
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