Prototype: Union Pacific Railroad (UP) class 3900 Challenger heavy American freight steam locomotive, with a coal tender. Locomotive road number 3969. The locomotive looks as it did in the Fifties.
Model: The locomotive has a digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion. 6 axles powered. Traction tires. The locomotive has a smoke unit. The headlights change over with the direction of travel. They, the number boards, and the smoke unit will work in conventional operation and can be controlled digitally. The cab lighting can be controlled digitally. Maintenance-free, warm white LEDs are used for the lighting. The locomotive has articulated running gear to allow operation on smaller curves. The locomotive has Boxpok wheels. The minimum radius for operation is R2a (261.8 mm / 10-5/16).
Length over the couplers approximately 23 cm / 9.
This model is a cooperative project with the firm Broadway Limited Imports.
Digital Functions
| DCC | SX2 | SX | MFX | |
|---|---|---|---|---|
| Headlight(s) | * | * | ||
| Locomotive whistle | * | * | ||
| Steam locomotive op. sounds | * | * | ||
| Smoke generator | * | * | ||
| Direct control | * | * | ||
| Sound of squealing brakes off | * | * | ||
| Engineers cab lighting | * | * | ||
| Whistle for switching maneuver | * | * | ||
| Number Board Lights | * | * | ||
| Bell | * | * | ||
| Operating sounds | * | * | ||
| Air Pump | * | * | ||
| Injectors | * | * | ||
| Auxiliary Blower | * | * | ||
| Letting off Steam | * | * | ||
| Special sound function | * | * | ||
| Cab Radio | * | * | ||
| Coupler sounds | * | * | ||
| Bell | * | * | ||
| Replenishing fuel | * | * | ||
| Replenishing fuel | * | * | ||
| Headlight(s) | * | * | ||
| Switching maneuver | * | * | ||
| Rail Joints | * | * | ||
| Locomotive whistle | * | * | ||
| Locomotive whistle | * | * |
