diff --git a/vllm/transformers_utils/model_arch_config_convertor.py b/vllm/transformers_utils/model_arch_config_convertor.py
index db5899eab5c12..999f46083c6e0 100644
--- a/vllm/transformers_utils/model_arch_config_convertor.py
+++ b/vllm/transformers_utils/model_arch_config_convertor.py
@@ -269,6 +269,22 @@ class ModelArchConfigConvertorBase:
         return model_arch_config
 
 
+class MambaModelArchConfigConvertor(ModelArchConfigConvertorBase):
+    def get_head_size(self) -> int:
+        return 0
+
+    def get_total_num_kv_heads(self) -> int:
+        return 0
+
+
+class TerratorchModelArchConfigConvertor(ModelArchConfigConvertorBase):
+    def get_head_size(self) -> int:
+        return 0
+
+    def get_total_num_kv_heads(self) -> int:
+        return 0
+
+
 class Zamba2ModelArchConfigConvertor(ModelArchConfigConvertorBase):
     def get_head_size(self) -> int:
         return getattr(self.hf_text_config, "attention_head_dim", 0)
@@ -357,6 +373,9 @@ class LongCatFlashMTPModelArchConfigConvertor(ModelArchConfigConvertorBase):
 
 # hf_config.model_type -> convertor class
 MODEL_ARCH_CONFIG_CONVERTORS = {
+    "mamba": MambaModelArchConfigConvertor,
+    "mamba2": MambaModelArchConfigConvertor,
+    "terratorch": TerratorchModelArchConfigConvertor,
     "zamba2": Zamba2ModelArchConfigConvertor,
     "mpt": MPTModelArchConfigConvertor,
     "dbrx": DbrxModelArchConfigConvertor,