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MTIS

Meritor Tire Inflation System (MTIS™) harnesses your trailer's existing air supply to keep your tires fully inflated when your vehicle is in operation, helping to save money and add profit to your bottom line. Choose from the drop downs to see the list of our support materials, visit Literature on Demand.

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  • Meritor Tire Inflation System (MTIS)
    Configuration Selector

    We make it easier to do business with us. Use our Xact Search for Meritor Tire Inflation System (MTIS) to identify the correct kit using our simple to use, drop down selection options.
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Product Videos
  • MTIS Manual Tire Pressure Check
    1:51
  • MTIS with ThermALERT
    3:43
  • Meritor Tire Inflation System
    4:07
Part Identification

As the leading automatic tire inflation system in North America, the Meritor Tire Inflation System (MTIS™) with ThermALERT™ Standard is designed to be compatible with a wide range of axle and wheel-end component combinations. To help ensure that you specify the correct MTIS kit for an application, Meritor is pleased to provide the following guidelines to assist in product selection, which depends on the type of axles and wheel-ends on the trailer.

  • Specify a New or Retrofit Kit
    Please determine following information to allow selection of the proper kit:
    1. Axle Manufacturer
    2. Spindle Series (“N” - Tapered, Or “P” - Straight)
    3. Dual Tires or Single Tire (SS)
    4. Wheel Size
    5. Number of Axles (Single, Tandem, Tridem, Quad)
    6. Hub Material - Ductile Iron or Aluminum and if it's a ConMet PreSet design
    7. Appropriate Style of Hubcap
    8. Desired Cold Tire Pressure Setting
    9. Hubcap Type or Wheel End Lubrication Type
    *NOTE: Hubcaps may be included in kits or may be ordered separately. When ordering hubcaps separately, please provide appropriate style of hubcap and wheel end lubrication type if part number is not known.
    * NOTE: All retrofit kits are pre-set to 100psi. Please consult the MTIS Maintenance and Installation Manual (MM14P) for additional details.
    * NOTE: For part number nomenclature explanation, see Table 2.
  • For Installation on Meritor TN/TQ Axles with Tapered Spindles
     
    Specify kits having thru-tee assemblies with 3.5" long tubes when the trailer axles are equipped with either ductile iron or aluminum hubs. The hubs can be ConMet PreSet or other designs.
  • For Installation on Meritor TP Axles with Parallel Spindles
     
    Specify kits having thru-tee assemblies with 4" long tubes when the trailer axles are equipped with ductile iron hubs except for ConMet hubs. If the trailer axles are equipped with aluminum or ConMet ductile iron hubs, specify an MTIS kit containing thru-tees with 5" long tubes.
  • Determine the type of kit you need.
    MTIS Kit Part Numbers “Partial” MTIS Kits
    “Partial” kits do not include spindle press plugs or stators. Partial kits are for installation on axles which have been prepped for MTIS at the production factory. (The spindle press plugs and stators have been installed on the axles.) Note that the standard thru-tee length for partial MTIS kits is 3.5". If you require a longer thru-tee length, please inform your Meritor customer service representative when placing your MTIS order. When a length other than the standard 3.5" is specified, it will be stated in the kit part number. Refer to the following table for examples.
  • Trailer Axle and Hub Types Recommended Thru-tee Tube Length MTIS with ThermALERT™ Partial Kit Part Number H2712 Family
    TN axle with ductile iron hubs including ConMet PreSet or PreSet Plus 3.5" H2712-22
    TN axle with aluminum hubs including ConMet PreSet or PreSet Plus 3.5" H2712-22
    TP axle with ductile iron hubs 4" H2712-22-4
    TP axle with aluminum hubs 5" H2712-22-5
    TP axle with ConMet PreSet or PreSet Plus hubs 5" H2712-22-5
  • “Full” MTIS Kits
     
    “Full” MTIS kits and the other components as shown in Figure 5 are for installation on axles which have not been prepped for MTIS. These kits include spindle press plugs and stators. The standard thru-tee tube length for a full MTIS kit is based on the spindle type for which the kit is intended. For example, a full MTIS kit for a TN axle will have a standard thru-tee tube length of 3.5" while a full MTIS kit for a TP axle will have a standard thru-tee tube length of 4". If you require a thru-tee length longer than the standard length, please inform your Meritor customer service representative when placing your MTIS order. When a length other than the standard is specified, it will be stated in the kit part number. Refer to the tables below for the axle type and product codes.
  • Straight Spindle H1955 Series ProPar™ (Square Axle)
    Straight Spindle H1975 Series Meritor TP, TB (1998 and later), WP, Hendrickson® HP, SAF Holland® Ingersoll® F24 - 2.75"
    Straight Spindle H1995 Series Meritor TP MTec6 axles
    Straight Spindle H2405 Series Meritor TB (before 1998) - 2.95"
    Straight Spindle H2595 Series Sudisa® 12-R
    Straight Spindle H2815 Series Dana® P22, Hendrickson HP - 2.50"
    Straight Spindle 61151 Series Meritor TL - 2.50"
    Tapered Spindle 31924 Series Ingersoll® F22 - 1.50 inch (manufactured prior to Aug. 2017)
    Tapered Spindle 31935 Series Ingersoll® F22 (For axles manufactured prior to August 2017.)
    Tapered Spindle H1965 Series Meritor TN/TQ, Ingersoll F22 axles (manufactured in or after August 2017), RN/RQ, Hendrickson HN, Dana/Eaton D22 Hollow Spindle
    Tapered Spindle H1985 Series Meritor TN MTec6 axles
    Tapered Spindle 32375 Series Holland Trade Note: check diameter of opening to determine kit.
    Tapered Spindle 32645 Series Sudisa 11-M


    Examples of standard kits. Please contact your Meritor representative for assistance to obtain the correct kit for the application.

    Axle/Spindle Style Hub Type Recommended Thru-Tee Tube Length MTIS with Thermalert Part Number
    TN/TQ, HN Ductile Iron 3.5" H1965-22
    TN/TQ, HN Aluminum 3.5" H1965-22
    TP, WP, HP (2.75" bore) Ductile Iron 4" H1965-22
    TP, WP, HP (2.75" bore) Aluminum 5" H1975-22-5
    TP ConMet PreSet or PreSet Plus 5" H1975-22-5
  • MTIS Kit Part Number Structure
     
    In this example, we will use the Meritor TN/TQ, RN/RQ, Hendrickson HN, Dana/Eaton D22 Hollow Spindle with Tandem Axles, Dual Dynamics Hubcaps and Check Port Hoses.
    NOTE: For non ThermALERT-equipped replace “H” prefix with “6” prefix for Series part #. H1965-22-D1-CP
  • Series/Axle Type No. Axles Thru-Tee Tube Change Tires Options Hoses
    H1965 22 D1 CP
    Per Catalog Tables 11 = Single Axle
    22 = Tandem Axle
    33 = Tridem Axle
    44 = Quad Axle
    BLANK = All standard configurations
    5 = TP with ConMet Iron or Aluminum Hubs
    BLANK = Dual
    S = Single
    D1 = Dual Dynamics™ 6H, 5.5" oil
    D2 = Dual Dynamics 6H, 5.5" grease
    D3 = Dual Dynamics screw-on oil
    D4 = Dual Dynamics screw-on grease
    D5 = Dual Dynamics 6H, 6.75" oil
    D6 = Dual Dynamics 6H, 6.75" grease
    OTHER = OE Options as defined
    BLANK = Standard
    CP = Auxiliary Check Port
Suggested Stocking List
  • Looking for popular part numbers in the Tire Inflation (MTIS) product line? Registered users have access to view suggested stocking lists, Add to Cart, view prices*, Add to Requisition List or Download to Excel to save for future ordering.
  • Select this link, Tire Inflation (MTIS) - Suggested Stocking List to view the most up-to-date lists.
    * User registration is required to access suggested stocking lists. Ability to place an order or view prices is based on user settings.
On DEMAND TRAINING
  • Meritor BullPen
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    Meritor Bullpen
  • Course Name Course #
    Meritor Tire Inflation – don’t get caught flat footed SEM0521
    Meritor Tire Inflation System Including Meritor ThermALERT System Operation TT321
    MTIS ThermALERT Component Identification TT311
    MTIS-ThermALERT TT322