The Quantum 4Front™ is a quiet, more responsive front-wheel drive power chair that features automotive-grade suspension with unprecedented comfort and ride quality.
The Quantum 4Front's CASE (Caster Angle Sensor Encoder) technology and SRS (Smooth Ride Suspension) provide stability for smooth obstacle transitions and unmatched driving performance.
The Quantum 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.
TRU-Balance® 3 Power Positioning SystemsTRU-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™.
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.
|Drive Wheels||14" flat free|
|Caster Wheels||Rear: 9" flat free|
|Anti-Tip Wheels||Front: 4"|
|Maximum Speed4||Up to 6 mph|
|Ground Clearance||3" (motor pivot)|
|Seating Sizes||TRU-Balance® 3
Synergy®/Static: W: 12-22" D: 12-22"
Power Tilt: W: 12-22" D: 12-22"
Lift & Tilt: W: 12-22" D: 12-22"
|Seat-to-Floor Heights16||TRU-Balance® 3
Power Tilt8: 17.5-19.5"
Lift & Tilt8: 17.75-19.75"
|Battery Size6||Group 24 or Group 34|
|Battery Weight14||Group 24: 51.5 lbs.
Group 34: 38.5 lbs.
|Available Electronics12||120A Q-Logic 3 EX|
|Battery Charger||8A Off-board|
|Motor Packages||Two-pole, front-wheel drive|
|Weight Capacity7||300 lbs.|
|Base Weight||140 lbs.|
|Medicare Code Coverage||Group 3:
Single Power (K0856)
Multiple Power (K0861)
4 Speed varies with user weight, terrain type, battery charge, battery condition and tire pressure.
5 Without front riggings
6 Battery capacity may change when adding power positioning systems.
7 Weight capacity is dictated by the selection of seating.
8 All measurements +/- 1/8" with 18" x 18" seat, fixed towers, 300 lbs. weight capacity and solid tires (add 3/8" 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.
12 All Quantum Rehab® units can be ordered with specialty controls
14 Battery weight may vary +/- 3 lbs. based on manufacturer.
16 Seat-to-floor heights are measured with the unit unloaded. Due to the 4Front’s suspension system, seat-to-floor heights are approximately 0.25” lower when the unit is loaded.
The information contained herein is correct at the time of publication; we reserve the right to alter specifications without prior notice.