Some pictures from the seller's website http://trainmaster.ch/

In 1924 Pennsy had 3,335 "Consols" on the roster, PENNSY POWER by Alvin F. Staufer. Alco, Baldwin, Juiniata Shops, and Lima all shared in construction a grand total of 1,206 H8, H9, and H10 engines between 1907 and 1916.

https://en.wikipedia.org/wiki/Pennsylvania_Railroad_class_H8

Coreless DC Motor

I replaced the open frame motor with a coreless DC motor Maxon A-max 16 12V/2W. The motor starts at about 5 V and draws 250 mA.

Shafts and U-Joints from NWSL

Docs

Soundtraxx Tsunami2 TSU-2200

• Installation Guide
• Electric User’s Guide
• Steam User's Guide
• Steam Technical Reference (CV codes)
• Sound Selections for Tsunami2 for Steam Prototyps
• Electrical Interface & Wire Color Code for Digital Command Control

• Energy Storage
• Digitrax Zephyr xtra Set Manual

Wiring

Locomotive

Color	NMRA JST Pin#	Loco Header Pin#	Function
Red	8	1	Right Rail Pickup
Orange	7	2	Motor(+)
Gray	3	3	Motor (-)
White	5	4	Headlight
Green	9	5	FX3 (Ashpan Flicker CV 51: 23+128=151, F24)
Blue	6	6	Function Common (+12V)

Tender

Color	NMRA JST Pin#	Function
Black	2	Left Rail Pickup
Yellow	4	[Backup Light]
Blue	6	[Function Common (+12V)]
Purple	-	Speaker (+)
Purple	-	Speaker (-)
Blue	-	Current Keeper [Function Common (+12V)?]
Black	-	Current Keeper [Ground?]

Spare

Color	NMRA JST Pin#	Function
Brown	1	FX4
Green/White	-	FX5
Brown/White	-	FX6

Sound Configuration

Function	CV	Value	Type
3-cylinder exhaust		+16, 0	disabled
Airpump	124	3	(default, cross compound 2)
Articulated exhaust		+128, 0	disabled
Articulated wheel-slip		+32+64, 0	disabled
Bell	122	15	Medium Brass 2
Coupler Select	126
Dynamo	125	2	(default, dynamo 3)
Engine Exhaust Control	114	90	faster, for 4 chuffs per revolution
Exhaust Chuffs	123	4	(default, Medium 2)
Fuel Type		+1+2, 0	Hand-shoveled Coal
Injector		+4, 4	lifting
Poppet Valve Release Rate	200
Power reverser		+8, 0	disabled
Sound Configuration 1	112	4
Whistle	120	42	PRR Round Top 3-Chime

Motor Configuration

Function	CV	Value	Type
BEMF Cutoff	10
PID Kp Parameter	209
PID Ki Parameter	210
Low-Speed Compensation	211
BEMF Feedback Intensity	212
Low-Speed Compensation	211
BEMF Sample Period	213		default 15
BEMF Sample Aperture Time	214		default 15
BEMF Reference Voltage	215		6 to 25.5 V (60 .. 255)

https://sites.google.com/site/markgurries/home/decoders/decoder-motor-tuning/soundtraxx

Headlight

Finished Model