Commercial Truck & Trailer - Original Equipment Manufacturers


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Data Sheets

Get technical information about our various styles of air springs


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Specs Bellows Number New/Old Design Position Range (in.) Design Position Range Approx. Max. Load (lbs.) Minimum Height Without Bumper (Jounce) (in.) Maximum Recommended Usable Height (in.) Maximum Diameter (in.) at 100 psi over time
icn_info icn_article 19/5 4.25 to 5 7,000 2.12 5.50 12.9
icn_info icn_article 19-.75 4.4 to 5 7,400 2.12 6.00 13.5
icn_info icn_article 113 4.4 to 5 10,500 2.12 5.50 15.2
icn_info icn_article 113-.5 4.25 to 5.75 11,900 2.12 6.25 15.7
icn_info icn_article 113-1 4.25 to 5.75 12,300 2.12 6.25 15.9
Specs Bellows Number New/Old Design Position Range (in.) Design Position Range Approx. Max. Load (lbs.) Minimum Height Without Bumper (Jounce) (in.) Maximum Recommended Usable Height (in.) Maximum Diameter (in.) at 100 psi over time
icn_info icn_article 25/5 4.5 to 5.5 1,550 2.66 6 6.4
icn_info icn_article 224 6 to 7 2,150 2.75 7.5 8.0
icn_info icn_article 26 7 to 8 2,500 3.12 8.75 8.6
icn_article 20 8 to 9 3,400 3.12 9.5 9.9
20-1 8.5 to 9.5 3,600 3.12 10.5 10.1
icn_article 20-2 8.5 to 10 3,800 3.12 11.0 10.4
icn_info icn_article 22 8 to 9.5 6,600 3.12 10.25 12.9
icn_info icn_article 22-1.5 9 to 10.5 6,600 3.12 11.00 13.7
icn_info icn_article 228-1.5 9 to 11 6,900 3.12 11.75 13.5
icn_info icn_article 21 8 to 9.5 10,000 3.12 10.25 15.1
icn_info icn_article 21-2 9 to 11 10,700 3.12 12.00 16.0
icn_info icn_article 233-2 10 to 12 10,800 3.12 13.00 15.7
28 8 to 10 15,000 3.75 11.00 17.4
Specs Bellows Number New/Old Design Position Range (in.) Design Position Range Approx. Max. Load (lbs) Minimum Height Without Bumper (Jounce) (in.) Maximum Recommended Usable Height (in.) Maximum Diameter (in.) at 100 psi over time
icn_info icn_article 38/5 10 to 14 7,400 4 15.75 12.9
icn_info icn_article 333 11 to 15 11,000 4 16.75 15.2
icn_info icn_article 313 9 to 13 11,500 4 14.75 15.1
Specs Bellows Number New/Old Piston Height (in.) Piston Load diameter (in.) Design Position Range (in.) Design Position Range Approx. Max. Load (lbs.) Minimum Height Without Bumper (Jounce) (in.) Maximum Recommended Usable Height (in.) Maximum Diameter (in.) at 100 psi over time
icn_info icn_article 1T14C-1/5 1.87 5.75 6.25 to 7.00 3,600 3.25 10.25 9.5
1T14C-3 5.00 5.00 9.50 to 12.00 3,200 6.25 15.00 9.1
icn_info icn_article 1T14F-2 3.62 5.00 8.50 to 10.00 3,200 5.00 12.75 9.1
icn_info icn_article 1T14F-4 3.62 5.00 9.50 to 11.00 3,200 5.75 14.00 9.1
icn_info icn_article 1T14F-4 5.00 5.00 9.50 to 12.00 3,200 5.75 15.50 9.1
icn_info icn_article 1T14F-8 3.62 5.00 12.00 to 13.50 3,200 8.00 17.50 9.1
icn_info icn_article 1T15T-1 2.75 7.00 6.50 to 7.50 5,600 4.00 10.75 11.2
icn_info icn_article 1T15T-1 3.00 7.75 6.50 to 7.50 6,100 4.25 10.50 11.4
icn_info icn_article 1T15T-2 2.75 7.00 7.50 to 8.50 5,300 4.00 11.50 11.2
1T15TQ-1 2.25 7.00 7.00 to 8.00 5,100 3.50 10.50 10.4
icn_info icn_article 1T15AA-3 4.50 7.00 10.50 to 12.00 5,700 6.00 15.75 10.8
icn_info icn_article 1T15L-1.5 2.80 7.75 7.50 to 8.50 6,400 4.00 12.00 11.5
icn_info icn_article 1T15L-2 3.00 7.75 8.00 to 9.00 6,500 4.00 12.25 11.5
icn_info icn_article 1T15L-2 3.75 7.75 8.00 to 10.00 6,500 5.00 13.25 11.4
icn_info icn_article 1T15L-2 3.00 8.02 7.75 to 8.25 6,500 4.25 12.50 12.0
icn_info icn_article 1T15L-4 3.75 7.75 10.00 to 12.00 6,500 5.00 15.25 11.7
icn_info icn_article 1T15L-4 3.00 8.02 10.25 to 10.75 6,100 6.50 15.00 11.4
icn_info icn_article 1T15L-4 4.50 8.25 9.50 to 11.5 6,900 6.00 16.00 11.7
icn_info icn_article 1T15L-8 5.83 8.90 11.50 to 12.50 7,500 7.00 12.8
icn_info icn_article 1T15M-0 3.00 7.75 7.00 to 8.00 7,100 4.25 11.50 12.6
icn_info icn_article 1T15M-2 3.75 8.00 8.00 to 10.00 7,500 5.00 13.50 12.6
icn_info icn_article 1T15M-4 4.75 7.75 10.50 to 12.50 7,100 6.00 16.50 12.6
icn_info icn_article 1T15M-4 3.75 8.00 9.00 to 11.00 7,500 5.75 15.25 12.6
1T15M-6 4.75 7.75 12.00 to 14.00 7,100 7.00 18.25 12.6
icn_info icn_article 1T15M-6 5.60 7.75 12.00 to 15.00 7,100 7.00 19.00 12.6
icn_info icn_article 1T15M-6 7.40 7.75 13.5 to 16.50 7,100 8.50 20.50 12.6
icn_info icn_article 1T15M-6 5.75 8.83 11.50.5 to 14.50 7,700 7.00 18.75 12.8
icn_info icn_article 1T15M-9 7.40 7.75 14.50 to 18.50 7,100 8.50 23.50 12.6
icn_info icn_article 1T15M-9 5.60 7.75 14.00 to 17.00 7,100 7.75 21.50 12.6
icn_article 1T15M-11 7.40 7.75 16.00 to 20.00 7,100 9.00 24.00 12.6
icn_info icn_article 1T15V-1 2.95 8.35 6.00 to 7.00 8,200 4.25 11.25 13.3
icn_info icn_article 1T15V-8 5.75 8.38 12.00 to 15.00 8,200 7.00 19.00 13.3
icn_info icn_article 1T15V-11 7.48 8.38 14.50 to 18.50 8,300 8.75 23.75 13.3
icn_info icn_article 1T19F-5 3.74 10.55 9.00 to 11.00 10,400 6.50 17.00 13.5
icn_info icn_article 1T19F-5 5.50 8.87 11.00 to 14.00 8,850 6.50 17.00 13.2
icn_info icn_article 1T19F-7 5.50 8.87 12.00 to 15.00 8,850 7.00 18.50 13.7
icn_article 1T19F-11 7.00 8.87 14.50 to 18.50 8,850 8.50 23.25 13.7
icn_info icn_article 1T19F-12 7.00 8.87 16.50 to 20.50 8,850 8.50 24.00 13.7
icn_info icn_article 1T19F-12 8.50 8.87 17.50 to 21.50 8,850 9.50 24.50 13.7
icn_info icn_article 1T19F-14 8.50 8.87 17.00 to 23.00 8,850 10.00 27.00 13.7
icn_info icn_article 1T19F-16 8.50 8.87 18.00 to 24.50 8,850 10.00 28.75 13.7
1T19F-20 9.50 9.23 22.00 to 29.00 8,850 12.50 33.25 13.7
icn_info icn_article 1T19J-6 4.02 10.12 9.00 to 10.50 11,300 5.25 15.75 15.4
1T66E-11.8 7.50 9.84 15.00 to 21.00 10,500 10.00 26.00 14.7

Design Parameter Sheets

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Suspension Manufacturers

Get contact information for suspension manufacturers

    • Hendrickson International - Trailer
    • 2070 Industrial Place S.E.
    • Canton, OH 44707
    • Phone: 800.455.0043
    • Fax: 330.489.0494
    • www.hendrickson-intl.com
    • Holland USA - Holland Neway
    • 1950 Industrial Blvd.
    • Muskegon, MI 49443
    • Phone: 888.396.6501
    • Fax: 231.777.2515
    • www.neway.com
    • Meritor
    • 2135 W. Maple Rd.
    • Troy, MI 48084
    • Phone: 248.435.1000
    • Fax: 248.435.1393
    • www.meritor.com
    • Ridewell
    • PO Box 4586
    • Springfield, MO 65808
    • Phone: 800.641.4122
    • Fax: 417.833.4560
    • www.ridewellcorp.com
    • Spring Valley Suspensions
    • 3107 170th St.
    • New Sharon, IA 50207
    • Phone: 800.944.3989
    • Fax: 641.632.8224
    •  www.springvalleymfg.com
    • Tuthill Transport Technologies
    • 1205 Industrial Park Drive
    • Mt. Vernon, MO 65712
    • Phone: 800.753.1030
    • Fax: 417.466.3964
    • www.tuthilltransport.com
    • Watson and Chalin Mfg
    • 2060 Couch Drive
    • McKinney, TX 75069
    • Phone: 800.445.0736
    • Fax: 972.542.0097
    •  www.watsonsuspensions.com
    • Canadian Load Share Suspensions, Inc.
    • 79 Bessemer Road Unit 15 London
    • Ontario N6E 1P9 Canada
    • Phone: 519.649.7420
    • Fax: 519.649.7421
    • www.canadianloadshare.com
    • Donvel
    • 806 E. Lake Drive
    • Gladewater, TX 75647
    • Phone: 903.845.2419
    • Fax: 903.845.2562
    • www.donvel.com
    • Hendrickson International - Truck
    • 800 South Frontage Road
    • Woodridge, IL 60517
    • Phone: 630.910.2800
    • Fax: 630.910.2899
    • www.hendrickson-intl.com
    • Holland USA - Holland Neway
    • 1950 Industrial Blvd.
    • Muskegon, MI 49443
    • Phone: 888.396.6501
    • Fax: 231.777.2515
    • www.neway.com
    • Meritor Inc.
    • 2135 W. Maple Rd.
    • Troy, MI 48084
    • Phone: 248.435.1000
    • Fax: 248.435.1393
    • www.meritor.com
    • Ridewell
    • PO Box 4586
    • Springfield, MO 65808
    • Phone: 800.641.4122
    • Fax: 417.833.4560
    • www.ridewellcorp.com
    • Rowe Truck Equipment
    • 102 West First Street
    • Otterbein, IN 47970
    • Phone: 800.878.0984
    • Fax: 765.583.2907
    • www.rowetruck.com
    • Silent Drive Inc.
    • 1300 Arizona Place SW
    • Orange City, IA 51041
    • Phone: 800.658.3866
    • Fax: 712.737.2865
    • www.silentdrive.com
    • Tuthill Transport Technologies
    • 1205 Industrial Park Drive
    • Mt. Vernon, MO 65712
    • Phone: 800.753.1030
    • Fax: 417.466.3964
    • www.tuthilltransport.com
    • Watson and Chalin Mfg
    • 2060 Couch Drive
    • McKinney, TX 75069
    • Phone: 800.445.0736
    • Fax: 972.542.0097
    •  www.watsonsuspensions.com

Preventive Maintenance

  1. Inspect the O.D. (Outside Diameter) of the air spring. Check for signs of irregular wear or heat cracking.
  2. Inspect air lines to make sure contact doesn’t exist between the air line and the O.D. of the air spring. Air lines can rub a hole in an air spring quickly.
  3. Check to see that there is sufficient clearance around the complete circumference of the air spring while at its maximum diameter.
  4. Inspect the O.D. of the piston for buildup of foreign materials. (On a reversible sleeve style air spring, the piston is the bottom component of the air spring.)
  5. Correct ride height should be maintained. All vehicles with air springs have a specified ride height established by the O.E.M. manufacturer. This height, which is found in your service manual, should be maintained within 1/4”. This dimension can be checked with the vehicle loaded or empty.
  6. Leveling valves (or height control valves) play a large part in ensuring that the total air spring system works as required. Clean, inspect and replace, if necessary.
  7. Make sure you have the proper shock absorbers and check for leaking hydraulic oil and worn or broken end connectors. If a broken shock is found, replace it immediately. The shock absorber will normally limit the rebound of an air spring and keep it from overextending.
  8. Check the tightness of all mounting hardware (nuts and bolts). If loose, re torque to the manufacturer’s specifications. Do not over-tighten.
  9. APPROVED: Approved cleaning media are soap and water, methyl alcohol, ethyl alcohol and isopropyl alcohol.
    NOT APPROVED: Non-approved cleaning media include all organic solvents, open ames, abrasives and direct pressurized steam cleaning.