diff --git a/ROMFS/px4fmu_common/init.d-posix/airframes/4011_gz_lawnmower b/ROMFS/px4fmu_common/init.d-posix/airframes/4011_gz_lawnmower
index 83f387b56e..5600bd76cb 100644
--- a/ROMFS/px4fmu_common/init.d-posix/airframes/4011_gz_lawnmower
+++ b/ROMFS/px4fmu_common/init.d-posix/airframes/4011_gz_lawnmower
@@ -1,51 +1,68 @@
 #!/bin/sh
-# @name Gazebo lawnmower
+# @name Gazebo - Zero Turn Lawnmower
 # @type Rover
 # @class Rover
 
 . ${R}etc/init.d/rc.rover_differential_defaults
 
 PX4_SIMULATOR=${PX4_SIMULATOR:=gz}
-PX4_GZ_WORLD=${PX4_GZ_WORLD:=default}
+PX4_GZ_WORLD=${PX4_GZ_WORLD:=lawn}
 PX4_SIM_MODEL=${PX4_SIM_MODEL:=lawnmower}
 
 param set-default SIM_GZ_EN 1 # Gazebo bridge
 
+param set-default NAV_ACC_RAD 0.5
+
 # We can arm and drive in manual mode when it slides and GPS check fails:
 param set-default COM_ARM_WO_GPS 1
 
-# Rover parameters
+# Differential Parameters
 param set-default RD_WHEEL_TRACK 0.9
-param set-default RD_YAW_RATE_I 0.1
-param set-default RD_YAW_RATE_P 5
-param set-default RD_MAX_ACCEL 1
-param set-default RD_MAX_JERK 3
-param set-default RD_MAX_SPEED 8
-param set-default RD_YAW_P 5
-param set-default RD_YAW_I 0.1
-param set-default RD_MAX_YAW_RATE 30
 param set-default RD_TRANS_DRV_TRN 0.349066
 param set-default RD_TRANS_TRN_DRV 0.174533
 
+# Rover Control Parameters
+param set-default RO_ACCEL_LIM 1.5
+param set-default RO_DECEL_LIM 5
+param set-default RO_JERK_LIM 15
+param set-default RO_MAX_THR_SPEED 2.7
+
+# Rover Rate Control Parameters
+param set-default RO_YAW_RATE_I 0.2
+param set-default RO_YAW_RATE_P 1.0
+param set-default RO_YAW_RATE_LIM 60
+param set-default RO_YAW_ACCEL_LIM 50
+param set-default RO_YAW_DECEL_LIM 1000
+param set-default RO_YAW_RATE_CORR 1.0
+
+# Rover Attitude Control Parameters
+param set-default RO_YAW_P 5
+
+# Rover Velocity Control Parameters
+param set-default RO_SPEED_LIM 2.1
+param set-default RO_SPEED_I 0.01
+param set-default RO_SPEED_P 0.1
+param set-defatul RO_SPEED_RED 1.0
+
 # Pure pursuit parameters
-param set-default PP_LOOKAHD_MAX 30
-param set-default PP_LOOKAHD_MIN 2
 param set-default PP_LOOKAHD_GAIN 1
+param set-default PP_LOOKAHD_MAX 10
+param set-default PP_LOOKAHD_MIN 1
 
 # Actuator mapping - set SITL motors/servos output parameters:
 
 # "Motors" - motor channels 0 (Right) and 1 (Left) - via Wheels GZ bridge:
 param set-default SIM_GZ_WH_FUNC1 101 # right wheel
-#param set-default SIM_GZ_WH_MIN1 0
-#param set-default SIM_GZ_WH_MAX1 200
-#param set-default SIM_GZ_WH_DIS1 100
-#param set-default SIM_GZ_WH_FAIL1 100
+param set-default SIM_GZ_WH_MIN1 87
+param set-default SIM_GZ_WH_MAX1 113
+param set-default SIM_GZ_WH_DIS1 100
+param set-default SIM_GZ_WH_FAIL1 100
 
 param set-default SIM_GZ_WH_FUNC2 102 # left wheel
-#param set-default SIM_GZ_WH_MIN2 0
-#param set-default SIM_GZ_WH_MAX2 200
-#param set-default SIM_GZ_WH_DIS2 100
-#param set-default SIM_GZ_WH_FAIL2 100
+param set-default SIM_GZ_WH_MIN2 87
+param set-default SIM_GZ_WH_MAX2 113
+param set-default SIM_GZ_WH_DIS2 100
+param set-default SIM_GZ_WH_FAIL2 100
 
 param set-default SIM_GZ_WH_REV 0 # no need to reverse any wheels