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Independent Front Suspension (IFS) - Drivetrain System

Overview
Independent Front Suspension (IFS) - Drivetrain System

The AxleTech Front Drive Independent Axle Suspension is one of OEM Off-Highway's 2018 Top 10 New Products of 2018   

AxleTech designed and manufactured a state-of-the-art modular drivetrain system that enables All Wheel Drive (AWD) commercial trucks to operate safely and productively. The system consists of a heavy-duty Independent Front Suspension (IFS) module equipped with modern steering geometry and air disc brakes technology, and a low profile shift-on-the-fly transfer case. The IFS, available as drive or non-drive, is part of the company’s field-proven and widely-acclaimed Independent Suspension Axle Systems (ISAS®). This bolt-on modular solution, does not require modifying the vehicle’s existing frame rails, maintains vehicle ride height, and offers superior ride, handling, and control.

Technical Specifications
  • Configuration
  • Drive axle, double-wishbone with compliant upper control arm control brushing with inverted dual steering box layout
  • Rating
  • 16,000 to 22,000 lb (7,250 to 10,000 kg)
  • Axle system weight
  • 3,150 lb (1,429 kg), including subframe
  • Axle system type
  • Central compliantly mounted drop carrier with planetary reduction whee ends
  • Axle ratios
  • 4.48 to 10.48
  • Planetary ratios
  • 3.56 to 4.63
  • Differential
  • Open
  • Wheel mount
  • Hub-piloted 10 stud 13.19 BC (335 mm) with future option 11.25 BC (285.75 mm)
  • Brakes
  • Outboard air disc brake, vented rotor
  • Springs
  • Hot rolled coil springs
  • Shocks
  • High capacity twin-tube shocks with integrated bump aid
  • Total wheel travel
  • 11.8 in (300 mm)
  • Minimum rim size
  • 22.5 in rim (572 mm) with 65/385 to 65/425 tire
  • Hub flange to flange
  • 94.8 in (2,409 mm)
  • Track width
  • 84.25 to 85.43 in (2,140 to 2,170 mm)
  • Pinion joint series
  • KV 150, KV 180, SAE 1710 or 1810, 16TYS or 17TYS, MECH 6C, 7C or 8.5C
  • Steering joint type
  • CV joints with ball spline plunge
  • Max steering angle
  • 32°
  • Camber
  • 0° +- 1° adjustable
  • Ride camber
  • -15°/m
  • Roll center height
  • 9.84 (250)
  • Ride steer
  • 5°/m understeer 5°/m
  • King pin inclination
  • 8.9°
  • ABS hub compatibility
  • Standard
  • Input rotation
  • Clockwise into pinion