A long sought after Allegheny joins my roster.

0:00 Intro run montage
2:20 Onlayout lookover and project planning
7:58 Movable reverse gear demo
9:08 Fireman side lookover
11:14 Crankpin issues
12:29 In the shop and first look underneath
13:55 Chuff cams/switches
16:13 Mystery parts
17:14 Disassembly begins
21:07 Running gear and wiring checkout
23:02 Boiler and running gear separation/boiler wiring
24:18 Front and rear engine separation
24:38 Rear engine disassembly
25:30 Rear driver removal
26:16 Rear crankpin correction
26:42 Driver spring seats
27:07 Corrected crankpin test and reverse gear adjustment
29:09 Front engine work
30:30 Front roller fix
32:05 Traction tire replacement trick!
34:07 Rewiring chassis and boiler
41:54 Reassembled boiler and chassis