Patent ID: 8813482

Claim:
A system comprising: a. a towable machine; b. at least one hydraulic motor arranged on said machine and operable to drive at least one wheel arranged on said machine; c. at least one hydraulic propelling pump arranged to supply hydraulic fluid flow via a hydraulic circuit to said at least one hydraulic motor during operation of said machine to selectively drive said at least one wheel; d. said system having a non-operative configuration wherein hydraulic fluid flow is blocked between said at least one hydraulic motor and said at least one propelling pump, e. at least one pressure sensor associated with said hydraulic circuit in communication with fluid flow through said at least one hydraulic motor to detect an improper pressure load in said hydraulic circuit when said circuit is in a non-operative configuration and operable to trigger an alarm element; and, wherein said alarm element is disengaged when said circuit is in an operating configuration.