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Typical Standard Kit Contents for a Tandem Axle Trailer with Dual Tires
Specify a New or Retrofit Kit
If the axle was prepped at factory for P.S.I. Tire Inflation System, use prepped axle kit.
Please be prepared to provide the following information:
Spindle Series (“N” - Tapered, Or “P” - Straight)
Dual Tires or Single Tire (SS)
Quantity of Axles (Single, Tandem, Tridem, Etc.)
Hub Material - Ductile Iron or Aluminum
Appropriate Style of Hubcap
Desired Cold Tire Pressure Setting
Hubcap Type or Wheel End Lubrication Type
NOTE: Hubcaps are not included in kits and must be ordered separately. When ordering hubcaps, please provide
appropriate style of hubcap and wheel end lubrication type.
NOTE: P.S.I. recommends a maximum of 4 axles per system. For configurations w/more than four axles, contact
NOTE: For part number nomenclature explanation, see chart below.
Complete Kits for New and Retrofit Installation Applications
ATIS Trailer Kits
ATIS Kit Nomenclature
In this example, we will use the Meritor TN/TQ, RN/RQ, Hendrickson HN, Dana/Eaton D22 Hollow Spindle with
Tandem Axles, Single Tire and Check Port Hoses.
NOTE: For non ThermALERT-equipped replace “P” prefix with “6” prefix for Series part #.
Part # Example : P1965-22-S-XX-CP