Index: MSTSLocomotive.cs
===================================================================
--- MSTSLocomotive.cs	(revision 1684)
+++ MSTSLocomotive.cs	(working copy)
@@ -2023,10 +2023,12 @@
                             }
                             if (DynamicBrakePercent > 0 && MaxDynamicBrakeForceN > 0)
                             {
+                                float DynCurrRangeFactor = (float)(cvc.MaxValue);
+                                if (cvc.MaxValue == 0) DynCurrRangeFactor = (float)(cvc.MinValue);
                                 if (FilteredMotiveForceN != 0)
-                                    data = this.FilteredMotiveForceN / MaxDynamicBrakeForceN * (float)(cvc.MaxValue);
+                                    data = this.FilteredMotiveForceN / MaxDynamicBrakeForceN * DynCurrRangeFactor;
                                 else
-                                    data = this.LocomotiveAxle.AxleForceN / MaxDynamicBrakeForceN * (float)(cvc.MaxValue);
+                                    data = this.LocomotiveAxle.AxleForceN / MaxDynamicBrakeForceN * DynCurrRangeFactor;
                                 data = -Math.Abs(data);
                             }
                             break;