AT 540 / AT 543 / AT 545 regulator

The regulator is designed for AT 540 / AT 543 / AT 545 / HT 740 / HT 747 / HT 750. Adjusts the control pressure to the speed of the gear output shaft.

The worn regulator is manifested by gear changes at incorrect speed, jerk and slippage of the clutches. Before assembly, compare the design and marking with the disassembled element.

Technical data

• Product type: regulator
• Commercial markings: MT-644

Before purchase, it is recommended to verify the fit after the AT 540 / AT 543 / AT 545 / HT 740 / HT 747 / HT 750 and other box model and a comparison with the element dismantled from the box.

Purpose

• Case type: AT 540 / AT 543 / AT 545 / HT 740 / HT 747 / HT 750 / HT 754 / MT 640 / MT 643 / MT 644 / MT 647 / MT 650 / MT 653 / MT 654 / V730
• Box manufacturer: allison
• Type of box: automatic
• Number of gears: 4