This is a Rapido Trains 28541 HO Scale Union Pacific EMD E8A/B Diesel Locomotive DCC & Sound #940/941B. Each locomotive features plastic construction, plastic trucks, metal wheels and axles, and knuckle couplers. Manufacturer: Rapido Trains. Model Number: 28541. Road Name: Union Pacific (UP). MSRP: 649.95. Scale/Era: HO Scale. Model Type: Diesel Loco. Availability: Ships within 1 Business Day! Trainz Product Id: 12490204.