HSS - No.516 - RailRoad Class 37 31 March 2026 12:53 Updated SKU: R30435TXS, R30436, R30436TXS, R30437, R30437TXS, R1290, R30544, R30545 HSS 516A Railroad Class 37 21 pin.pdf 300 KB Download Related articles Decoder Installation Guides A Guide to Model Railway Scales HSS 200E Smokey Joe HSS 383B Class 67 HM | DC Troubleshooting Guide