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You will earn up to 3082 points on this order
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Authorized Dealer
Made in USA
Hygiene Product
Authorized Dealer
Made in USA
Hygiene Product
Note: The swivel function of the Hercules Prime is only available when positioned on the right side of the vehicle. It does not operate when installed in the left rear seat.
Thomashilfen Hercules Prime Booster Car Seat is a medically adaptive, modular positioning seat designed for in-vehicle use. Engineered for children, teens, and smaller adults with physical or neurological disabilities, this rehab car seat offers therapeutic seating and safety for individuals weighing between 40 and 176.4 lbs. and measuring 51.1 to 70.9 inches in height. It ensures safe, stable transport during everyday travel or medical appointments.
Hercules Prime Adaptive Booster Seat evolves with the user’s needs, offering long-term comfort, support, and safety. Ideal for individuals with conditions like cerebral palsy, muscular dystrophy, or low trunk control, this special needs car seat secures the user using the vehicle’s standard 3-point safety belt while promoting upright posture and functional alignment.
10° tilt-in-space function increases comfort for individuals with poor upper body strength or tone. The right-side-only swivel base simplifies car transfers for caregivers and passengers.
The backrest height is continuously adjustable by up to 5.1", supporting proper head and neck positioning as the user grows. Perfect for growing children and petite adults needing secure car seating.
Supports shoulder widths from 16.5" to 20.1", accommodating a broad range of body types. Individually adjustable shoulder guides ensure precise lateral support, even asymmetrically.
Secure 5-point safety harness with cushioned shoulder pads provides reliable pelvic and trunk positioning. The harness adjusts easily via dual buckles, ensuring a safe and supportive seating posture during every ride.
Quick-release shoulder strap system allows each side to be buckled independently, streamlining the process for caregivers and reducing physical strain during transfers.
Folds compactly in seconds for travel or storage. This transport-friendly adaptive car seat fits in most vehicle trunks, making it ideal for families on the go or shared-use situations.
Tool-free back angle adjustment with a red quick-release lever lets caregivers easily find the most comfortable and medically beneficial recline position for the passenger.
Thomashilfen Hercules prime car seat | |
Seat width | 15" |
Seat depth | 15.7" - 18.1" |
Seat tilt-in-space (with tilting base 10°) | 0° / 2.5° / 5° / 7.5° / 10° |
Back width (seat) | 17.7" |
Back height (seat inside) | 26.4" - 31.5" |
Shoulder width (with shoulder guide) | 16.5" - 20.1" |
Shoulder height (belt guide) | 16.5" - 25.2" |
Back angle | 120° max. |
Lower leg length (with foot rest) | 6.7" - 16.9" |
Height of lateral trunk supports (upper edge) | 10.2" - 14.2" |
Distance lateral trunk supports | 13.8" max. |
Body height user | 51.1" - 70.9" |
Maximum user weight | 176.4 lbs. |
Weight of seat (basic model) | 29.5 lbs. |
Minimum folded dimensions | 20.5"W x 8.3"H x 28.7"D |
Maximum overall dimensions | 20.5"W x 34.6"H x 16.9"D |
The warranty timeframe for each product is noted below:
If you find a discrepancy please report within 10 days, so that we may take necessary corrective action.
Parts under warranty will be covered at no cost.
Any labor cost for service under warranty is not covered as per our terms of sale.
Standard manufacturer terms & conditions apply for the warranty of this product.
Please call us for specific details
All returned items must meet the following requirements:
Standard manufacturer terms & conditions apply for return policy of this product.
Please call us for specific details
The Hercules Prime offers modular supports, an adjustable backrest and seat depth, and a 5-point harness to keep children with low trunk tone or neurological conditions safely and upright during travel.
Yes, it adjusts to fit users from 51.1" to 70.9" tall and up to 176.4 lbs. Key components like the backrest, shoulder guides, seat depth, and leg supports are all adjustable to support growth and maintain proper alignment over time.
The seat offers full-body customization:
These adjustments help ensure both comfort and postural control as the user grows.
Yes, the swivel feature assists with side transfers, but it only functions when the seat is installed on the right side of the vehicle.
The seat can be installed on either side, but if you need the swivel feature for easier transfers, it must be placed on the right side.
Yes, it meets ECE R44/04 safety standards and has passed DEKRA crash testing with all rehabilitation accessories in place.
The seat tilts up to 10°, or 20° with the optional base. This helps reduce fatigue, prevent slumping, and support users with low muscle tone during longer rides.
Yes, the Hercules Prime fits in most vehicles. Just ensure the car seat base is flat and that there’s at least 2" of clearance between the user’s head and the car roof when the backrest is extended.
It supports children with cerebral palsy, muscular dystrophy, low trunk control, and similar conditions. It’s especially effective for users at GMFCS Levels III–V who require adaptive positioning during transit.
The breathable, flame-retardant seat covers are removable and machine washable (up to 104°F/40°C), making routine cleaning simple for caregivers.
Note: The swivel function of the Hercules Prime is only available when positioned on the right side of the vehicle. It does not operate when installed in the left rear seat.
Thomashilfen Hercules Prime Booster Car Seat is a medically adaptive, modular positioning seat designed for in-vehicle use. Engineered for children, teens, and smaller adults with physical or neurological disabilities, this rehab car seat offers therapeutic seating and safety for individuals weighing between 40 and 176.4 lbs. and measuring 51.1 to 70.9 inches in height. It ensures safe, stable transport during everyday travel or medical appointments.
Hercules Prime Adaptive Booster Seat evolves with the user’s needs, offering long-term comfort, support, and safety. Ideal for individuals with conditions like cerebral palsy, muscular dystrophy, or low trunk control, this special needs car seat secures the user using the vehicle’s standard 3-point safety belt while promoting upright posture and functional alignment.
10° tilt-in-space function increases comfort for individuals with poor upper body strength or tone. The right-side-only swivel base simplifies car transfers for caregivers and passengers.
The backrest height is continuously adjustable by up to 5.1", supporting proper head and neck positioning as the user grows. Perfect for growing children and petite adults needing secure car seating.
Supports shoulder widths from 16.5" to 20.1", accommodating a broad range of body types. Individually adjustable shoulder guides ensure precise lateral support, even asymmetrically.
Secure 5-point safety harness with cushioned shoulder pads provides reliable pelvic and trunk positioning. The harness adjusts easily via dual buckles, ensuring a safe and supportive seating posture during every ride.
Quick-release shoulder strap system allows each side to be buckled independently, streamlining the process for caregivers and reducing physical strain during transfers.
Folds compactly in seconds for travel or storage. This transport-friendly adaptive car seat fits in most vehicle trunks, making it ideal for families on the go or shared-use situations.
Tool-free back angle adjustment with a red quick-release lever lets caregivers easily find the most comfortable and medically beneficial recline position for the passenger.
Thomashilfen Hercules prime car seat | |
Seat width | 15" |
Seat depth | 15.7" - 18.1" |
Seat tilt-in-space (with tilting base 10°) | 0° / 2.5° / 5° / 7.5° / 10° |
Back width (seat) | 17.7" |
Back height (seat inside) | 26.4" - 31.5" |
Shoulder width (with shoulder guide) | 16.5" - 20.1" |
Shoulder height (belt guide) | 16.5" - 25.2" |
Back angle | 120° max. |
Lower leg length (with foot rest) | 6.7" - 16.9" |
Height of lateral trunk supports (upper edge) | 10.2" - 14.2" |
Distance lateral trunk supports | 13.8" max. |
Body height user | 51.1" - 70.9" |
Maximum user weight | 176.4 lbs. |
Weight of seat (basic model) | 29.5 lbs. |
Minimum folded dimensions | 20.5"W x 8.3"H x 28.7"D |
Maximum overall dimensions | 20.5"W x 34.6"H x 16.9"D |
The warranty timeframe for each product is noted below:
If you find a discrepancy please report within 10 days, so that we may take necessary corrective action.
Parts under warranty will be covered at no cost.
Any labor cost for service under warranty is not covered as per our terms of sale.
Standard manufacturer terms & conditions apply for the warranty of this product.
Please call us for specific details
All returned items must meet the following requirements:
Standard manufacturer terms & conditions apply for return policy of this product.
Please call us for specific details
The Hercules Prime offers modular supports, an adjustable backrest and seat depth, and a 5-point harness to keep children with low trunk tone or neurological conditions safely and upright during travel.
Yes, it adjusts to fit users from 51.1" to 70.9" tall and up to 176.4 lbs. Key components like the backrest, shoulder guides, seat depth, and leg supports are all adjustable to support growth and maintain proper alignment over time.
The seat offers full-body customization:
These adjustments help ensure both comfort and postural control as the user grows.
Yes, the swivel feature assists with side transfers, but it only functions when the seat is installed on the right side of the vehicle.
The seat can be installed on either side, but if you need the swivel feature for easier transfers, it must be placed on the right side.
Yes, it meets ECE R44/04 safety standards and has passed DEKRA crash testing with all rehabilitation accessories in place.
The seat tilts up to 10°, or 20° with the optional base. This helps reduce fatigue, prevent slumping, and support users with low muscle tone during longer rides.
Yes, the Hercules Prime fits in most vehicles. Just ensure the car seat base is flat and that there’s at least 2" of clearance between the user’s head and the car roof when the backrest is extended.
It supports children with cerebral palsy, muscular dystrophy, low trunk control, and similar conditions. It’s especially effective for users at GMFCS Levels III–V who require adaptive positioning during transit.
The breathable, flame-retardant seat covers are removable and machine washable (up to 104°F/40°C), making routine cleaning simple for caregivers.