This is a Piko 35016 G Switch Decoder

Trainz Product Id: 12066627

and their incremental design allows you to weight your racer in exact 1/16 ounce increments

Model Number: 29161

MTH 30-73264 O Gauge Richmond, Fredericksburg & Potomac Modern Tank Car ProductID_11594685 This is a Piko 35016Here is a MTH 30 73264 O Gauge Richmond, Fredericksburg & Potomac Modern Tank Car. This car features a plastic construction with diecast sprung metal trucks, metal wheels and axles, and operating knuckle couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MTH Model Number: 30 73264 Road Name: Richmond Fredericksburg & Potomac (RFP) MSRP: $44. 95 Scale Era: O Modern Model Type: Freight Cars The