Cumbria, Lancashire, Dumfries and Galloway

0800 6120 109

Quantum 4Front

Dare to move forward.

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.

Request a:

  • Quantum Rehab

The 4Front features standard speeds of up to 6 mph in the lowered position, and speeds up to 3.2 mph while elevated at 10" with our optional safe seat elevation.

Standard LED fender lights allow you to see and be seen.


  • CASE (Caster Angle Sensor Encoder) technology
  • Unmatched driving performance and ride quality
  • Advanced stability for smooth obstacle transitions
  • Superior, automotive-grade SRS (Smooth Ride Suspension)
  • Q-Logic 3 EX Advanced Drive Controls
  • LED front and rear fender lights
  • Quiet ride technology
  • Available with WC19 crash-test approved, occupied transit option with all configurations

Power Base Accessories

LED fender lights

Standard switch-operated LED fender lights offer great benefits and features for increased visibility.

With lighting mounted to the fender, above the drive tire on each side, fender lights help ensure that you can see and be seen.

  • Slim-line fender integration for ultimate compactness and durability
  • Ultra-bright, long-life LEDs allow optimal user visibility at night
  • White front lighting and red rear tail lighting
  • Positioning of lights increases pedestrian visibility from a wide range of angles

Drive Wheel Accent Colors

  • Match your base, back, and controller shrouds or choose a different color for a unique look
  • Available in all color options
  • Standard on the 4Front®

Compatible Seating

TRU-Balance® 3 Power Positioning Systems

TRU-Balance® 3 Power Positioning Systems feature an innovative design that maximizes functional independence while providing an appealing look and feel.

TRU-Balance 3 has the ability for quick and easy fine-tuning adjustments to ensure maximum comfort and positioning.

Optional 10" of safe seat elevation is offered on the 4Front®.

Contoured Seating

Contoured seating is the standard seating option on Quantum Power Chairs.

Contoured seating features a black vinyl Captain's seat with options consisting of a high back or medium back, solid seat pan, limited recline, and depth adjustability.

It is selected when special positioning is not required.

Compatible Electronics

Q-Logic 3

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.


  • Max Speed
    6 mph (with lights)
  • Battery Capacity
    2 x 70 Ah Deep Cycle / Weight: 23.36 kg
  • Control Unit
    Q-Logic 3
  • Max Load Capacity (Maximum User Weight)
    21 Stone 6 lbs (137 kg)
  • Empty Weight
    63.5 kg
  • Ground Clearance
    7.62 cm at Battery Tray
  • Total Width
    60.96 cm (24")
  • Total Length
    101.6 cm (40")
  • Wheels
    Drive Wheels: 35.56 cm, Castor Wheels: 22.86 cm
  • Turning Radius
    62.23 cm (24.5 cm)
  • Seating
    TB3 Seating: 12" x 12" to 22" x 22"

Request a Demonstration Today

To request a demonstration of the Quantum 4Front at home or in our showroom, please enter your details and we'll contact you to arrange a suitable time.