P designation after Engine #

vatruckee · Tuesday at 12:21 PM

What does the "P" mean after the unit designation

Example: E001P

1261Truckie · Tuesday at 12:26 PM

I believe it means High Pressure Pumper

Signal73 · Tuesday at 12:41 PM

Page 5 of the FAQ section has some more information for Unit Designations

Frequently Asked Question

Dec 20, 2022

NOTE - LEGACY FAQ'S MOVED TO THIS TREAD BY SIGNAL73. FINAL FAQ'S WILL BE APPROVED AND ADDITIONAL FAQ'S ADDED, AS APPROPRIATE. PLEASE SEND FAQ COMMENTS AND SUGGESTIONS TO SIGNAL73

Catry started this section back in 2008. But since then a lot has changed and unfortunately, Catry doesn't frequent this site like he use to to up date the info. After talking with Mack figured I would copy everything over from the old Frequently Asked Question section to the new FAQ section. That way it can be edited for years to come......Well least hopefully the next 20 years while I'm...

OldGoat · Tuesday at 4:31 PM

Probie?

tperez102 · 2026-03-19T14:12:01-0400

If it's a Ferrara I would say P=Problem LOL.

AuxWarYearsCapt · 2026-03-20T01:00:56-0400

1261Truckie said:
I believe it means High Pressure Pumper

The last time l was at the shops, over 2 years ago the new high pressure pumpers were marked with a HP at the end of the reg#. ie.. E 008. SP22001HP

AuxWarYearsCapt · 2026-03-20T01:07:52-0400

1261Truckie said:
I believe it means High Pressure Pumper

The last time l was at the shops, over 2 years ago the new high pressure pumpers were marked with a HP at the end of the reg#. ie.. E 258. SP23001HP

NikFDNY · 2026-03-20T01:10:08-0400

AuxWarYearsCapt said:
The last time l was at the shops, over 2 years ago the new high pressure pumpers were marked with a HP at the end of the reg#. ie.. E 008. SP22001HP

refering to the MDT designation