The Flo-Dynamics TTCF-9A Variable High Flow Hydraulic System Flusher will flush and clean transmission coolers and lines or any hydraulic system of contamination, sludge, varnish deposits, and particles from a failed transmission. The TTCF-9A, with an adjustable flow rate from 1-8 GPM, was specially developed for heavy duty transmission cooling systems requiring high flow rates. Using the same hydraulic fluid as the hydraulic system being flushed and cleaned, a user can select from multiple flush cycles ranging from 15-120 minutes, and verify system cleanliness by checking the reusable 60 micron cleanable filter screen. Using the heating circulation mode, heating to a preset 140°F in 45 minutes is fast and easy. Two auto-selected GPM-dependent flush patterns designed to inject the optimal amount of air creating an agitating scrubbing action to remove trapped debris and solidified waxy varnish. Easily switch flow direction without removing service hoses during and between flush cycles with the reverser valve. From the conveniently located control panel, the user can observe system flow, pressure, temperature, total hours run, filter timer, and easily select pump on/off, heater on/off, flush cycles, and manual air purge. PATENT PENDING.