diff --git a/src/model_config_tests/models/__init__.py b/src/model_config_tests/models/__init__.py
index 215a564..b778eb3 100644
--- a/src/model_config_tests/models/__init__.py
+++ b/src/model_config_tests/models/__init__.py
@@ -1,6 +1,12 @@
 from model_config_tests.models.accessesm1p5 import AccessEsm1p5
+from model_config_tests.models.accessesm1p6 import AccessEsm1p6
 from model_config_tests.models.accessom2 import AccessOm2
 from model_config_tests.models.accessom3 import AccessOm3
 
 # Mapping payu configuration model name to class
-index = {"access-om2": AccessOm2, "access-om3": AccessOm3, "access": AccessEsm1p5}
+index = {
+    "access-om2": AccessOm2,
+    "access-om3": AccessOm3,
+    "access": AccessEsm1p5,
+    "access-esm1.6": AccessEsm1p6,
+}
diff --git a/src/model_config_tests/models/accessesm1p5.py b/src/model_config_tests/models/accessesm1p5.py
index d010b8e..a1ee6ca 100644
--- a/src/model_config_tests/models/accessesm1p5.py
+++ b/src/model_config_tests/models/accessesm1p5.py
@@ -19,7 +19,8 @@ def __init__(self, experiment):
         # Override model default runtime
         self.default_runtime_seconds = DEFAULT_RUNTIME_SECONDS
 
-        self.output_file = self.output_0 / "access.out"
+        self.output_filename = "access.out"
+        self.output_file = self.output_0 / self.output_filename
 
     def set_model_runtime(
         self, years: int = 0, months: int = 0, seconds: int = DEFAULT_RUNTIME_SECONDS
@@ -57,7 +58,7 @@ def extract_checksums(
     ) -> dict[str, Any]:
         """Parse output file and create checksum using defined schema"""
         if output_directory:
-            output_filename = output_directory / "access.out"
+            output_filename = output_directory / self.output_filename
         else:
             output_filename = self.output_file
 
diff --git a/src/model_config_tests/models/accessesm1p6.py b/src/model_config_tests/models/accessesm1p6.py
new file mode 100644
index 0000000..4bd447e
--- /dev/null
+++ b/src/model_config_tests/models/accessesm1p6.py
@@ -0,0 +1,11 @@
+"""Specific ACCESS-ESM1.6 Model setup and post-processing"""
+
+from model_config_tests.models.accessesm1p5 import AccessEsm1p5
+
+
+class AccessEsm1p6(AccessEsm1p5):
+    def __init__(self, experiment):
+        super().__init__(experiment)
+
+        self.output_filename = "access-esm1.6.out"
+        self.output_file = self.output_0 / self.output_filename
diff --git a/src/model_config_tests/models/accessom2.py b/src/model_config_tests/models/accessom2.py
index 1968d8d..5d27b5c 100644
--- a/src/model_config_tests/models/accessom2.py
+++ b/src/model_config_tests/models/accessom2.py
@@ -16,7 +16,8 @@
 class AccessOm2(Model):
     def __init__(self, experiment):
         super().__init__(experiment)
-        self.output_file = self.output_0 / "access-om2.out"
+        self.output_filename = "access-om2.out"
+        self.output_file = self.output_0 / self.output_filename
 
         self.accessom2_config = experiment.control_path / "accessom2.nml"
         self.ocean_config = experiment.control_path / "ocean" / "input.nml"
@@ -48,7 +49,7 @@ def extract_checksums(
     ) -> dict[str, Any]:
         """Parse output file and create checksum using defined schema"""
         if output_directory:
-            output_filename = output_directory / "access-om2.out"
+            output_filename = output_directory / self.output_filename
         else:
             output_filename = self.output_file
 
diff --git a/src/model_config_tests/models/accessom3.py b/src/model_config_tests/models/accessom3.py
index a8f4028..d4e68a2 100644
--- a/src/model_config_tests/models/accessom3.py
+++ b/src/model_config_tests/models/accessom3.py
@@ -23,7 +23,8 @@ def __init__(self, experiment):
         self.output_0 = self.experiment.restart000
         self.output_1 = self.experiment.restart001
 
-        self.mom_restart_pointer = self.output_0 / "rpointer.ocn"
+        self.mom_restart_pointer_filename = "rpointer.ocn"
+        self.mom_restart_pointer = self.output_0 / self.mom_restart_pointer_filename
         self.runconfig = experiment.control_path / "nuopc.runconfig"
         self.wav_in = experiment.control_path / "wav_in"
 
@@ -82,7 +83,7 @@ def extract_checksums(
     ) -> dict[str, Any]:
         """Parse output file and create checksum using defined schema"""
         if output_directory:
-            mom_restart_pointer = output_directory / "rpointer.ocn"
+            mom_restart_pointer = output_directory / self.mom_restart_pointer_filename
         else:
             mom_restart_pointer = self.mom_restart_pointer