Roundhouse 1010 HO Scale 40' Grain Boxcar Great Northern GN 6817 Traxxas Charger The optional center differential helps

The optional center differential helps balance the power distribution to reduce front end lift on acceleration and improve steering responsiveness

Thicker than stock diff cover for additional toughness and weight

AND Twin Turbos with Front Mount Intercooler for that ultimate Muscle Truck look

(4) Screws

M4x20mm set screw (12pcs)

Roundhouse 1010 HO Scale 40' Grain Boxcar Great Northern GN 6817 Traxxas Charger The optional center differential helpsRoundhouse 1010 HO Scale 40' Grain Boxcar Great Northern GN 6817 FEATURES: All new road numbers Highly detailed, injection molded body Machined metal wheels Wheels with RP25 contours operate on all popular brands of track Replacement parts available Decorated models fully assembled and ready to run out of the box Separately applied brake wheel Weighted for trouble free operation Body mounted McHenry operating scale knuckle couplers Minimum radius: 15