4Front® 2 HD Power Base

The 4Front® 2 HD marks the evolution of the 4Front® Power Chair into Heavy Duty territory! Equipped with new Smart Traction Control (STC) and Smooth Ride Suspension (SRS), it ensures stability for seamless obstacle transitions and unparalleled driving performance. Additional upgrades include 4-pole motors and sturdier caster arms, further enhancing its robustness and reliability.

4Front® 2 HD Features

  • 4-pole motors
  • NEW Smart Traction Control (STC)
  • Superior, automotive-grade SRS (Smooth Ride Suspension)
  • Unmatched driving performance and ride quality
  • Advanced stability for smooth obstacle transitions
  • More robust caster arms
  • Q-Logic 3e controller
  • Speeds up to 5 mph
  • LED front and rear fender lights
  • Quiet ride technology
  • 400-lb. weight capacity safe seat elevation option enables up to 10” of seat elevation while at speeds up to 2.7 mph
  • Optional NEW backup camera

    Keeping Australia Moving


    Model: 4Front® 2 HD
    Drive Configuration: Front-wheel drive
    Drive Wheels:
    Standard: 14" flat free
    Optional: 14" knobby/pneumatic
    Caster Wheels: Rear: 9" flat free
    Anti-Tip Wheels: 4" Flat Free
    Maximum Speed:
    Up to 5 mph
    Up to 2.7 mph when elevated
    Ground Clearance: 2.6" at motor pivot (occupied)
    Turning Radius: 24.5"
    Overall Length: 39.7" without front riggings
    Base Width: 24"
    Seating Sizes (TRU-Balance® 3 HD):
    HD Static Seat: W: 51-61 cm, D: 51-61 cm
    HD Power Tilt: W: 51-61 cm, D: 51-56 cm
    HD Power Lift & Tilt: W: 51-61 cm, D: 51-56 cm
    Seat-to-Floor Heights (TRU-Balance® 3 HD):
    HD Static Seat: 42-47 cm (not available with Synergy®)
    HD Power Tilt: 47-52 cm
    HD Power Lift & Tilt: 47.5-52 cm
    Battery Size: Group 24
    Battery Weight: Group 24: 23.4 kg
    Available Electronics:
    120A Q-Logic 3e (standard)
    120A Q-Logic 3 (optional)
    Battery Charger: 8A Off-board
    Motor Packages: 4-pole, front-wheel drive
    Weight Capacity:
    Up to 204 kg
    Up to 181 kg with 10" seat lift
    Base Weight: 63.5 kg
    Medicare Code Coverage:
    Group 3: Solid Seat Pan HD (K0850), Single Power HD (K0858), Multiple Power HD (K0862)

    Speed varies with user weight, terrain type, battery charge, battery condition, and tire pressure.
    Without front riggings
    Battery capacity may change when adding power positioning systems.
    Weight capacity is dictated by the selection of seating.
    All measurements +/- 3 mm with 457 mm x 457 mm seat, fixed towers, 204 kg weight capacity, and solid tires (add 9.5 mm with pneumatic tires). Depths may increase seat-to-floor height. Contact Customer Service for details. Limited measurements are in the lowest position; does not include elevating system unless specified.
    113 kg weight capacity with TRU-Balance® Systems.
    Requires Group 34 batteries
    All Quantum Rehab® units can be ordered with specialty controls
    Required with high-speed motors
    Battery weight may vary +/- 1.4 kg based on manufacturer.
    Weight capacity is reduced to 181 kg with the 10" Lift.
    Seat-to-floor heights are measured with the unit unloaded.
    Without foot riggings.