Quantum 4Front Front Wheel Drive Power Wheelchair

The 4Front is a quiet, more responsive front-wheel drive power chair that features automotive-grade suspension with unprecedented comfort and ride quality. The 4Front’s CASE (Caster Angle Sensor Encoder) technology and SRS (Smooth Ride Suspension) provide stability for smooth obstacle transitions and unmatched driving performance.

The 4Front features standard speeds of up to 10 km/h in the lowered position, and speeds up to 5,1 km/h while elevated at 254 mm with our optional safe seat elevation. Standard LED fender lights allow you to see and be seen.

Features include:

  • 2-Pole advanced responsive motors 8 km motor and featuring the new Q-Logic 3 control system.
  • Exceptional tight space turning radius of 622 mm
  • Quiet and responsive the front-wheel drive system of the 4Front features exceptional drive performance.
  • More kilometres per charge! 70 Ah batteries allow for increased range, for the most active user. Easy access through front shroud.
  • Superior, automotive-grade ‘SRS’ suspension (Smooth Ride Suspension)

More Information

Features:

iLevel seat elevation

The 4Front features standard speeds of up to 9.6 km/h in the lowered position, and speeds up to 5.1 km/h while elevated at 25.4 cm (10”) with the optional safe seat elevation.

Stability and performance

The 4Front’s CASE (Caster Angle Sensor Encoder) technology and SRS (Smooth Ride Suspension) provide stability for smooth obstacle transitions and unmatched driving performance.

Quantum - Q-Logic 3
Q-Logic 3 Advanced Drive Control System

The Q-Logic 3 Advanced Drive Control System from Quantum Rehab is like no other power wheelchair electronics system. Designed from clinician and consumer feedback, Q-Logic 3 is user-friendly and highly customizable. This adaptable, expandable control system can increase and maximize independence.

Technical specifications
Drive wheelsStandard: 14" (35.56cm) flat free
CastorsRear: 9" (22.86cm) flat free
Anti-tip wheelsFront: 4" (10.16cm) flat free
Maximum speedUp to 9.6 km/h (6 mph)
Ground clearance6.7 cm (2.6”) (motor pivot)
Turning radius (without front riggings)62.25 cm (24.5”)
Overall length (without front riggings)101.4 cm (39.9”)
Base width61.6 cm (24.2”)
Seat width12" - 22” (30.5cm - 56 cm)
Seat depth12" - 22” (30.5cm - 56 cm)
Seat to floor heightStatic seat: 15.25" - 17.25” (38.7cm - 43.8 cm)
Power tilt: 17.5" - 19.5” (44.5cm - 49.5cm)
Lift and tilt: 17.75" - 19.75” (45cm - 50 cm)
Manual reclineYes
Battery size70Ah (2)
Battery weight23.4kg each
Available electronics120A Q-Logic 3 EX
Battery charger8A Off-board
Motor packagesTwo-pole, front-wheel drive
Weight capacity136kg
Base weight (without seating system)63.5 kg

Warranty Information
The Quantum 4Front has a limited lifetime warranty on the structural frame components, including the main frame and fixed position seat post. 

A two year limited warranty is provided on electronic components, (including the charger assembly, controller and joystick), main frame assemblies (including the metal seat framing) and electrical harnesses.

An 18 month limited warranty is provided on the motor/gearbox assembly and power seat actuator.

A one year limited warranty is provided on accessories, anti-tip forks, front riggings, castor forks, brakes (electronic function only), front rigging mounting brackets and castor beam. 

    A six month limited warranty is provided on bearings and bushings.

    The batteries are covered by a 12 month warranty from the original manufacturer. 

      Product Compliance with Relevant Standards 
      The Quantum 4Front has been tested to and complies with the following standards:

      • AS/NZS 3695.2:2013

      ARTG Certificate: 109840

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