The motor works with current or older Arri WRS system.
You can also use this motor with C-Motion LCS using RLM-1 cable.
Here is some info for this motor from Arri Wireless Remote System guide.
"Controlled Lens Motor 1 (CLM-1) K2.41378.0
Due to its high torque this lens motor is particularly suited for operation with stiff lenses or in cold weather.
Compatibility: To operate the CLM-1 motor, the Universal Motor Controller, a Lens Data Box or Functional Expansion Module (FEM-2) is necessary.
The CML-1 can be mounted to 19mm support systems.
A bracket for 15mm support rods and an offset bracket for 19mm and 15mm are available. "
Th motor comes with 19mm bracket, 19mm offset bracket, and 15mm insert.
Asking price $1,000 OBO.