Silent Drive Steerable Air Suspension Lift Axle

Silent Drive, premier manufacturer of suspensions for the trucking industry.

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If this is an emergency, please contact our service department at (800) 869-1075 or locate the location nearest you on our locations page.

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If this is an emergency, please contact our service department at (800) 869-1075 or locate the location nearest you on our locations page.

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Silent Drive Inc. is the industry leader in the design and manufacturing of air suspension systems and components for trucks and trailers.

Product applications include dump trucks, refuse trucks, cement mixers, fuel trucks, super dumps, road tractors and many more! We can custom design a truck suspension system to meet your needs!

AA(S)-240 Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings lift axle when not in use.
  • LOW FRAME HEIGHT: Designed for pusher applications on low, drop frame trucks.
  • CAPACITY: 10,000 lbs.
  • MAXIMUM LIFT: Up to 7 inches.
  • AXLE TRAVEL: 10 inches total, lift and rebound.
  • LOW MAINTENANCE: Durable urethane bushings at all pivot points.
  • No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • Features leading kingpin for optimum performance.

AA(S)-1355 Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings within hangers lift axle when not in use.
  • CAPACITY: 20,000 lbs.
  • MAXIMUM LIFT: Up to 7 inches.
  • APPLICATION: May be used as a tag or a pusher. Offers the maximum stability possible. Angled hanger & arm design for improved performance.
  • QUALITY CONSTRUCTION: Durable urethane bushings at all pivot points.
  • No lubrication required.

UF-1000 Silent Drive ULTRA FLEX Steerable Air Lift Axle

  • Adjustable Spindle Ends offer flexible ride heights from 1.5″ drop to a 5.5″ drop.
  • Adjustable Seat Spacers allow for frame width adjustments from 33.5″ to 34.5″. Simply adjust the spacers.
  • 3 Axle options available: Fabricated Axle, 8K Axle or Customer Supplied Axle
  • Short Mounting Envelope for additional versatility
  • Quality construction with urethane bushings at all pivot points
  • Ask about the Unitized Plus Program (Suspension comes pre-plummed for quick installation, easy mounting and includes: R 12 Valve, Brake Protection Valve, 2 Quick Release Valves, Air
  • Tank, Brackets and hoses installed).

AAS-713 Silent Drive Steerable Air Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings lift axle when not in use.
  • CAPACITY: 11,000 lbs.
  • MAXIMUM LIFT: Up to 10 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • ADJUSTABLE AXLE: Fabrication axle provides a ride height range of 6 to 13 inches.
  • PARALLELOGRAM DESIGN: Maintains a constant king-pin angle through the full axle travel.

AAS-721 Silent Drive Steerable Air Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings lift axle when not in use.
  • CAPACITY: 13,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel.

AAS-721-FA Silent Drive Steerable Air Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings lift axle when not in use.
  • CAPACITY: 13,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • ADJUSTABLE AXLE: Fabricated axle provides a ride height range of 6-13 inches.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel.

AAS-724 Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Airsprings lift axle when not in use.
  • CAPACITY: 20,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel.

AAS-740 Silent Drive Steerable Air Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Air springs lift axle when not in use.
  • CAPACITY: 13,000 lbs.
  • MAXIMUM LIFT: Up to 6 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel. Steerable lift axle for lower frame trucks.

AAS-747-13 Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Air springs lift axle when not in use.
  • CAPACITY: 13,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points.
  • No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel. I-Beam Axle. 3 1/2 and 5 1/2 drop available.

AAS-747-8 Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Air springs lift axle when not in use.
  • CAPACITY: 8,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points.
  • No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel. 8K Fabricated Axle. Utilizes a 6 hole 17.5 wheel & 17.5 tires.

AAS-747-13FA Silent Drive Steerable Air Suspension Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Air springs lift axle when not in use.
  • CAPACITY: 13,000 lbs.
  • MAXIMUM LIFT: Up to 8 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points.
  • No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel. Fabricated Axle. 1 1/2 to 5 1/2 drop available.

AAS-770 Silent Drive Steerable Air Lift Axle

  • AIR RIDE/AIR LIFT: Provides a smooth ride and maximum cargo protection.
  • Air springs lift axle when not in use.
  • CAPACITY: 12,000 lbs.
  • MAXIMUM LIFT: Up to 20 inches.
  • LOW MAINTENANCE: Durable bushings at all pivot points. No lubrication required.
  • SELF-STEERING AXLE: Offers longer tire life and better vehicle handling.
  • PARALLELOGRAM DESIGN: Maintains a constant kingpin angle through the full axle travel.