diff --git a/game/reconstructed/mech2.cpp b/game/reconstructed/mech2.cpp
index 152643b..4cf0bc1 100644
--- a/game/reconstructed/mech2.cpp
+++ b/game/reconstructed/mech2.cpp
@@ -613,11 +613,25 @@ Scalar
 			// cases and the port never per-frame-clears the latch), so gating entry on
 			// it here would wrongly block trn after every walk.  Omitted by design;
 			// see locomotion.md "turn-in-place dispatcher".
+			// REPLICANT accommodation (regression fix, 2026-07-14): the dispatcher
+			// above is MASTER-perf logic; a replicant feeds this SM DERIVED signals
+			// (speed/turn from the dead-reckon stream, mech4.cpp:1948) and runs ONLY
+			// the leg channel.  Two master rules break it:
+			//  (1) the body weld -- a replicant never runs the body SM, so arming the
+			//      body to 4 sticks bodyAnimationState there forever and BLOCKS every
+			//      later trn entry (the peer "rotates as a statue");
+			//  (2) the full [0,standSpeed] entry -- the derived speed sweeps that band
+			//      on every dead-reckoned start/stop with turnDemand pinned +-1, so
+			//      trn keeps arming mid-locomotion and speed-exiting (jerky walking).
+			// Replicants: no body weld / no body arm (channel is inert, mj=0) and the
+			// narrow near-zero entry gate (the pre-#64b accommodation). [T3]
+			const int trnIsRepl = (GetInstance() == ReplicantInstance);
+			const Scalar trnEntryMax = trnIsRepl ? standSpeed * 0.25f : standSpeed;
 			if (hasCrashSet != 0 && mppr != 0
-				&& commandedSpeed >= ZeroSpeed && commandedSpeed <= standSpeed
+				&& commandedSpeed >= ZeroSpeed && commandedSpeed <= trnEntryMax
 				&& (mppr->turnDemand > 0.05f
 					|| mppr->turnDemand < -0.05f)
-				&& bodyAnimationState == StandingAnimation)	// weld: enter only when BOTH can
+				&& (trnIsRepl || bodyAnimationState == StandingAnimation))	// weld: masters only
 			{
 				// LOCKSTEP (task #64): arm BOTH channels on the same frame.  Arming
 				// only the leg let the body enter walk on its own schedule ~7-20
@@ -631,7 +645,8 @@ Scalar
 				// (the authentic dispatcher in the un-decompiled 0x4a9b5c gap arms
 				// both -- the body's case-4/finish machinery is dead code otherwise).
 				SetLegAnimation(4);						// turn-in-place (trn), channel A
-				SetBodyAnimation(4);					// channel B, same frame [lockstep]
+				if (!trnIsRepl)
+					SetBodyAnimation(4);				// channel B, same frame [lockstep, masters]
 				goto advance_normally;
 			}
 			if (ZeroSpeed <= commandedSpeed)