I have the harbor freight crimper and I threw together some 4 Ga line on there for the moment. I definitely think it's too small for the task.
How many amps run between the solenoid and the motor? All 400 amps at max pull?
Update on the not reeling in issue. I replaced a single bad solenoid for $17 as a temporary fix until I get motivated to upgrade to an albright. I will also swap out the F1, F2, and A cables down the line to larger gauge.
I used this cheap solenoid to get me going:
Standard Motor Products SS581 Solenoid