features of the models include: One time run of these roadnumbers

smoke unit with On/Off control

Here is a MTH 30-73260 O Gauge Union Pacific Single Dome Chrome Tank Car #8

Trainz Product Id: 11822411

Trainz Product Id: 12380396

Micro Trains 11000252 N Union Pacific 56' General Service Tank Car #903042 ProductID_11974089 features of the models include:This is a Micro Trains 11000252 N Union Pacific 56' General Service Tank Car #903042. These 56' general service tank cars are grey with black lettering and colorful herald. These cars were calibrated to 260,000 pounds on a master scale, and then used to verify calibration of other railcar scales across the Union Pacific network. Easy to recalibrate by filling or draining the tank, and with fewer operational restrictions than the smaller scale test