Twelve more L&N built 2-8-2s came in 1918 and 1919. These locomotives were assigned road numbers 1462-1479 and designated as Class J-2. They looked very similar to the J-1s. A few years later in 1921, the shops in Louisville, built more of the J-2s and designated them as Class J-2a and numbered them 1480-1479. At 328,000 pounds, they were the heaviest ever built by the L&N in its own shops.
The First World War brought more 2-8-2 locomotives. The USRA allocated 93 "Mikado-Light" and 20 "Mikado-Heavy" locomotives to the L&N. The 93 Lights were designated as Class J-3. The 18 Lima built were numbered 1500-1517 and the 75 ALCO built were numbered 1518-1592. The heavy type were designated as Class J-4. The 20 that arrived in 1918 were built by ALCO and were assigned road numbers 1750-1769. The L&N was very satisfied with these locomotives. Between 1923 and 1927 they bought 121 more of the Class J-4s from ALCO. These were numbered 1770-1890. In 1929, the Baldwin Locomotives Works built 24 more J-4s. These locomotives were of the same basic design as the rest of the J-4s except they were equipped with a Franklin Trailer Booster, which exerted an additional 12,075 pounds of tractive effort. The L&N designated this last 24 "Mikados" as Class J-4a.
There was one more L&N 2-8-2, built in 1924 by the Brooks Works of ALCO. This locomotive was designated as Class J-5 and was assigned road number 1999. It was experimental three-cylinder design and was not very successful in main line operation. It was assigned to hump yard duties where it served for many years.
There are no surviving L&N 2-8-2 "Mikado" type locomotives.
| Class | Qty. | Road Numbers | Year Built | Builder | Notes |
|---|---|---|---|---|---|
| J-1 | 16 | 2400-2415 | 1914 | L&N | |
| J-1 | 34 | 1416-1449 | 1915-1917 | L&N | |
| J-1a | 12 | 1450-1461 | 1918 | L&N | |
| J-2 | 18 | 1462-1479 | 1918-1919 | L&N | |
| J-2a | 16 | 1480-1479 | 1921 | L&N | |
| J-3 | 18 | 1500-1517 | 1919 | Lima | USRA Mikado-Light locomotives |
| J-3 | 75 | 1518-1592 | 1920-1923 | ALCO | USRA Mikado-Light locomotives |
| J-4 | 20 | 1750-1769 | 1918 | ALCO | These locomotives were numbered 1550-1569 when built in 1918 and renumbered 1750-1769 in 1923 (at that time some of the Class J-3 locomotives were assigned the 1550-1569 numbers. Equipped with a booster that exerted an additional 12,075 pounds of tractive effort. USRA Mikado-Heavy locomotives. |
| J-4 | 121 | 1770-1890 | 1923-1927 | ALCO | |
| J-4a | 24 | 1891-1914 | 1929 | Baldwin | |
| J-5 | 1 | 1999 | 1924 | ALCO | Number 1999 was a three cylinder locomotive |
| Specifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Class | J-1 | J-1a | J-2 | J-2a | J-3 | J-4 | J-4a | J-5 |
| Wheel Arrangement: | 2-8-2 | 2-8-2 | 2-8-2 | 2-8-2 | 2-8-2 | 2-8-2 | 2-8-2 | 2-8-2 |
| Length: | 77’-6 ¼” | 77’-6 ¼” | 79’-7 7/8” | 79’-7 7/8” | 81’-11 3/8” | 82’-3 5/8” | 82’-3 5/8” | 83’-7 5/8” |
| Drivers: | 60" dia. | 60" dia. | 60" dia, | 60" dia. | 63" dia. | 63" dia. | 63" dia. | 63" dia. |
| Weight on Drivers: | 245,950 lbs. | 249,750 lbs. | 255,000 lbs. | 253,000 lbs. | 220,000 lbs. | 240,000 lbs. | 256,340 lbs. | 245,000 lbs. |
| Total Locomotive Weight: | 302,000 lbs. | 306,700 lbs. | 326,000 lbs. | 328,000 lbs. | 290,000 lbs. | 323,000 lbs. | 325,530 lbs. | 336,900 lbs. |
| Locomotive & Tender Weight: | 472,900 lbs. | 476,200 lbs. | 501,000 lbs. | 499,000 lbs. | 477,400 lbs. | 515,000 lbs | 624,300 lbs. | 524,300 lbs. |
| Grate Area: | 66.7 sq. ft. | 70.8 sq. ft. | 70.3 sq. ft. | 70.3 sq. ft. | ||||
| Cylinders (dia. x stroke): | (2) 27"x30" | (2) 27 ½" x 30" | (2) 28"x 30" | (2) 28" x 30" | (2) 26" x 30" | (2) 27" x 32" | (2) 27" x 32" | (2) 23" x 32" (1) 23" x 28" |
| Boiler Pressure: | 185 psi | 190 psi | 195 psi | 195 psi | 200 psi | 200 psi | 200 psi | 200 psi |
| Tractive Effort: | 57,300 lbs. | 61,000 lbs. | 65,000 lbs. | 65,000 lbs. | 54,700 lbs. | 63,000 lbs. | 63,000 lbs. | 65,700 lbs. |
| Tender Capacity: | ||||||||
| Coal: | 18 tons | 18 tons | 16 tons | 16 tons | 16 tons | 19 tons | 19 tons | 16 tons |
| Water: | 8,500 gals. | 8,500 gals. | 9,000 gals. | 9,000 gals. | 10,000 gals. | 16,000 gals. | 10,000 gals. | 10,000 gals. |
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