Description:Torque converters like part # 347-3442 couple the engine to the transmission using a fluid coupling, which provides torque multiplication, and allows for slippage when at rest. This fluid connection also moderates the high torque, impact loads, and frequent direction and gear changes. Attributes:• Torque converter for heavy duty use.• This torque converter features an impeller clutch with freewheel and lockup for infinite modulation.Application:Torque converters are used in Cat drive train systems. Consult your owner’s manual or contact your local Cat Dealer for more information.