It is a large offset coupler and centerset coupler with pilot pocket gear box and truck mount type gear box

Model Number: 53990

Trainz Product Id: 12176768

Features include rubber tires

RMT 92417-7 O Gauge Union Pacific BEEP GP7 Diesel Locomotive #209 DwDetails-5.50-3.50-18.15-10.15-6.15-2 It is a large offsetHere is a RMT 924177 O Gauge Union Pacific BEEP GP7 Diesel Locomotive #209. This locomotive features a plastic construction, a motor, metal wheels and axles, and operating knuckle couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: RMT Model Number: 92417 7 Road Name: Union Pacific (UP) MSRP: $119. 95 Scale Era: O Modern Model Type: Diesel Loco The Trainz SKU for this item is P11625509. Trainz