1: Driving Wheel Sets
North Yard wheels have acetal centres with plated brass tyres. Unless stated otherwise, tyre profiles and wheel sets conform to NMRA standards RP25/code 110 and RP24.2HO scale, 16.5mm gauge. Most are 1:64 NZR wheel replicas, but also suit other applications.
DRIVING WHEEL SETS
RP25/1410 insulated, with 3mm axles. Crankpin holes not tapped.