How do I know which model number is in which series of Paragon Transmissions?
The Paragon marine transmission and its parts can be very confusing. The Paragon “P” series marine transmission with its myriad of model numbers is really simple to understand. They made basically 3 models of these transmissions. The P200, P300 and P400 Series. Look at the model chart below to see how the model numbers are explained:
Paragon Marine Transmission Models
P200 Series
Model
Reduction
P21
1:1
P22
1.5:1
P23
2.04:1
P24
2.52:1
P25
3.00:1
P300 Series
Model
Reduction
P31
1:1
P32
1.5:1
P33
2.03:1
P34
2.54:1
P35
3.05:1
P400 Series
Model
Reduction
P41
1:1
P42
1.50:1
P43
2.03:1
P44
2.54:1
P45
3.03:1