A flexible elevator machine frame is provided. The flexible elevator machine frame includes a first end supportive of a motor, a second end supportive of a brake, a central portion and an adapter assembly. The central portion is interposable between the first and second ends and is configured to accommodate a base traction assembly between the motor and the brake. The central portion includes first and second end sides which are associated with the first and second ends, respectively, and which are configured to be fastened together. The adapter assembly is configured to be fastened between the first and second end sides to accommodate the base and an additional traction assembly between the motor and the brake.