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This page last revised 8/21/2026
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| Number: 3 (1st) | Name: Rockhill | |
|---|---|---|
| Date Built: 10/1873 | Date Purchased: 1873 | Date Sold: 1911 |
| Line Built for: Denver and Rio Grande | Disposition: Scrapped 1917 | |
| Builder: Baldwin | Model: 10-22-E | Serial Number: 3475 |
| Style: coal fired steam | Type: Consolidation | Wheel Arrangement: 2-8-0 |
| Track Gauge: 3' | Tractive Effort: 9,600 | Pressure/Power: ?145 psi |
| Valve Gear/Transmission: Stevenson | Driver Size: 40.25" | Cylinder Bore: 14X16 |
| Weight: 52,000 | Engine Weight: | Adhesive Weight: |
| Grate: | Fuel Capy.: | Water Capy.: |
| Published Photos: EBT 35, 54, 215 | ||
#3 was originally built for and even lettered for the Denver and Rio Grande as their #13 'Mosca', but was rejected by the road for unknown reasons. The name Mosca was later given to another D&RGW locomotive. She was the first narrow gauge consolidation built in the US. She was slightly larger than the Class 56 consolidations the D&RG bought in 1878 and smaller than the Class 60 (C-16) the Rio Grande would eventually own starting in 1881. The name "Mosca" was reassigned to one of the Class 56 locomotives. D&RGW 223 in Ogden UT, 268 in Gunnison, CO, and 278 at Cimmaron, CO are examples of surviving C-16s.
Arriving at the EBT in November 1873, #3 impressed the railroad as it was much larger than early Moguls #1 and #2. The EBT was impressed enough to order two more, #4 "Cromwell" and #5 "Shirley" of identical design. As built for the D&RG, and like #1 and #2, the locomotive had a short smokebox, diamond stack and cantilevered square kerosene headlight, which it likely retained during its early years on the EBT. The EBT changed it to an extended firebox, eliminating the diamond stack and the cantilevered headlight. Also like the earlier power it had a crosshead feedwater pump, except that it was outside the crosshead. Unlike the early Moguls, #3 had a four axle tender and single steam dome.
#3 was named after Rockhill, the borough where the EBT's main shops and onsite offices were located.
#3 was reboilered in 1891. Sometime prior to 1906, and likely at the same time as she was reboilered, the locomotive received new, higher running boards, a straight stack, extended smokebox and round kerosene headlight. By 1896, #3 had relinquished the name 'Rockhill' to the new Mogul second #5.G1
She was finally rendered surplus by Mikado #12 and Prairie #11 and was sold via an equipment dealer to the nearby Tuscarora Valley Railroad in 1911. She worked there until being scrapped in 1917.
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| Reference Photos at the Archives - Click on image to visit record |
Reference AP1287 (Ed. note: 1873) 
Reference AP5655 |
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