Prototype: Union Pacific Railroad (UP) class 3700 'Challenger' heavy American freight steam locomotive in the rebuilt version with an oil tender. This is a version of the locomotive bearing road number 3704. The loco looks as it did during the 1950s.
Model: The model has a digital decoder and extensive sound functions. It also has a controlled high-performance motor. Six axles are powered. The model has traction tires and a smoke generator. The headlight that changes over with the direction of travel, the number boards and the smoke generator 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 chassis is articulated to negotiate sharp curves. The model has Boxpok wheels. The minimum radius for operation is R2a (261.8 mm / 10-5/16).
Length over the couplers approximately 23 cm / 9-3/64.
This model is a cooperative project with 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 | * | * | ||
| Engineer's 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 | * | * |
