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The Extreme X8 is a four wheel drive power chair built for sand, snow, trails and curbs. You choose every part, and we check it against Sunrise's rules.
A four wheel drive power chair for sand, snow, trails and curbs
The Extreme X8 has four motors, one at each wheel, and an articulating front frame that keeps all four low pressure tires on the ground. It is built to order by Magic Mobility, part of Sunrise Medical, with the seat, power seating and controls you choose.
You choose the seat type and size, the power seat functions, the back, arms, legrests, drive controls, batteries and color, and every choice is checked against Sunrise's order form as you build.
What stands out
Four wheel drive
Four independent high torque motors, one at each wheel, for sand, snow, gravel, grass and mud.
Curb and step climbing
The four motors, the knobby tires and the articulating front frame take the X8 up and down curbs and small steps.
Smooth ride
The front frame articulates to keep all four drive wheels on the ground, and the low pressure tires soften small bumps.
Low pressure tires
The X8 runs at low tire pressure, which gives it grip and is gentler on trails than a tracked chair.
Power seating
Add 50 degree tilt, 150 degree recline, a 12" seat elevator and power elevating legrests, run from the joystick or a Ctrl+5 switch box with voice activation.
Outdoor accessories
A lighting kit with turn signals, a luggage rack, a Charge Mate, and Be Adaptive shooting and fishing mounts.
The Hieline Insight
The Extreme X8 suits someone up to 400 lbs. who wants to spend real time outdoors on sand, snow, trails or a farm, and who has the space for a 28" wide chair that weighs 320 lbs. or more. Start with the seat type: the REHAB seat pan takes a JAY back and cushion and goes from 13" to 23" wide, while the MPS captain seat is a padded seat and back in six sizes. Then choose the power seating, since tilt, recline and the seat elevator each lower the weight capacity and set the controls the chair needs; the build adds the right thru-drive control for you. If you want power elevating legrests, the lighting kit or the directional lock without tilt, pick the seat with power functionality. Add the batteries unless you are supplying your own, and the tie down kit if the chair will ride in a vehicle.
Is it right for you?
A good fit if you
- a user up to 400 lbs. who wants to go off paved paths
- hunting, fishing, beach and farm use
- a user who needs power tilt, recline or a seat elevator outdoors
- a user who wants to climb curbs
Look elsewhere if you
- a user over 400 lbs.
- a home with tight hallways or doorways under 30"
- a user who needs a chair that folds or lifts into a car
- a user who wants to drive through water
How you get yours
Build it
Work through the guided build one step at a time. Your progress saves as you go.
Rules checked
Every choice is checked against Sunrise Medical's own rules as you build, so you cannot order a combination that cannot be made.
Add to cart
Your finished build goes in the cart at the price shown, with every part number on the order.
Made and shipped
Sunrise Medical makes it to your build and it ships to you, with free shipping nationwide.
Specifications
Because the Extreme X8 is built to order, some figures depend on the options you choose. The figures for your own build are on the build summary as you go.
Every figure here comes from Sunrise Medical's own documents.
How your Extreme X8 reaches you
Your build goes to Sunrise Medical exactly as you ordered it, with every part number on the order, and ships to you when it is made. Shipping is free nationwide.
Warranty and support
The Extreme X8 carries Sunrise Medical's manufacturer warranty. Hieline supports it after the sale, and parts and repairs are handled directly through us, right here on hieline.com.
Returns
Resources
Here are the manuals, brochures, and videos for the Extreme X8, all from Sunrise Medical.
Owner's manuals
Brochures
Order form and measuring
Videos
Common questions
400 lbs. with no power seating. Sunrise's order form and brochure give 340 lbs. with power tilt or the seat elevator, and Sunrise's product page and owner's manual give 350 lbs.; we publish the lower figure. With power recline it is 300 lbs.
The REHAB seat is a flat pan that adjusts in width and depth, from 13" to 23" wide and 13" to 24" deep, with back canes for a JAY J3 back. The MPS is a captain style seat and back in six sizes from 16" x 18" to 22" x 20", with manual recline. You can also pair the MPS back with the REHAB seat pan.
It is the no power seat with the wiring for power functions. Sunrise requires it for power recline on its own, power elevating legrests, the lighting kit and the directional lock on a chair without power tilt.
Sunrise sets it by the number of power seat actuators: one actuator takes the single control, two or more take the multi control. The build picks the right one from your seat function, recline, seat elevator and legrests.
No. The X8 runs on two Group 24 batteries, and the pair is an option in the build. Leave it off only if you are supplying your own.
Up to 6 mph and up to 12 miles on a charge. Range depends on the setup and the terrain.
No. The motors sit low, and Sunrise says the chair must never be driven through puddles, streams, rivers or the sea.
No. Sunrise says the X8 is 28" wide in every build.
Yes, with the crash tested tie down kit. The X8 is crash tested to ISO 7176-19.
No. The X8 is built to order to your choices, so it cannot be returned. The Magic Mobility warranty covers defects.
No. You can order a Extreme X8 from Hieline without a prescription.
No. Hieline does not bill or accept insurance, so the Extreme X8 is a direct purchase. Any reimbursement is strictly between you and your insurer.
Yes. Your progress saves automatically in your browser as you go, so you can step away and pick up where you left off on the same device.
Every combination is checked against Sunrise Medical's own compatibility rules as you build. An option that does not fit your other choices is greyed out with the reason printed on it, and the build cannot be added to the cart while a conflict is open.
Build your Extreme X8
You build the Extreme X8 one step at a time with our guided assistant. It checks every choice against Sunrise Medical's own rules, and your progress saves as you go.
Answer for the person who will use the Extreme X8, whether that is you, a family member or a resident in your care. You can change any answer until the build is in your cart.
The user's measurements
Every size in the build is set from these numbers.
You need the user's measurements before the build can start. Download the measuring form, fill it out with the user, and return to this page when it is done. Your progress is saved on this device, so you can pick up right here and enter the numbers.
Download the measuring formThe user's weight and height
The weight sets the weight capacity of the build. Height is optional.
Two ways to build your Extreme X8
You have given us the measurements. Now choose how much you want to decide. You can go deeper later without losing anything, so start wherever feels right.
The essentials, chosen for you.
Move through the choices that shape how the Extreme X8 fits and works. We start each one from your answers, and you adjust anything you like. Every choice is checked live against the manufacturer rules as you go, so the build stays valid the whole way.
- What you decideThe essential choices
- Roughly14 decisions
- Every choiceChecked live against the rules
Best if you want a well-fitted build without weighing every option.
Every option from the order form.
Work through the complete Sunrise Medical build, every choice on the order form, with the same guided steps and the same live rule checking. Nothing is hidden. This is the full depth of the Extreme X8, laid out so you can set each detail exactly the way you want.
- What you decideThe complete build
- Roughly68 decisions
- Every choiceChecked live against the rules
Best if you want control over every detail.
Here is the full build with its part numbers and the price you pay. Add it to your cart and check out, and it reaches our order desk as one record.


