Hercules Prime by Thomashilfen
Introducing the Thomashilfen Hercules Prime special needs car seat, the perfect solution for larger riders. German-engineered with multiple positioning options, a back-saving swivel base, with easy installation and storage for ultimate comfort and safety.
Designed specifically for larger riders who may have trouble finding a comfortable fit in traditional car seats.
Rider Range:
Designed for riders between 40 lbs to 176.4 lbs (18.1 to 80 kg)
and whose height is between 51.1 to 70.9 inches (130 to 180 cm).
The Thomashilfen Hercules Prime car seat is a fantastic option for larger riders who want a safe and comfortable car seat with the highest standards of quality and safety in mind. With multiple positioning accessories available, like Swing-Away Upper and Mid-body Supports, that can be easily adjusted to provide extra support and comfort, getting in and out of the car will be a breeze. The swivel base makes it easy to transfer, reducing strain on the back. The angle adjustable back can be adjusted without the need for any tools. It’s perfect for individuals between 40 lbs and 176.4 lbs (18.1 and 80 kg) and whose height is between 51.1 and 70.9 inches (130 and 180 cm).
It’s built with a sturdy and impact-resistant shell, reinforced side wings for maximum safety in case of a crash, a 5-point harness, and an adjustable headrest for a secure and comfortable fit. The removable and washable cover makes it easy to keep clean. It is easy to install in most vehicles and it can be folded compactly for storage and travel. With its sleek and modern design, multiple positioning options, easy-to-use features and easy transfer, the Thomashilfen Hercules Prime car seat is an ideal option for larger riders who want a safe and comfortable car seat that is designed with the highest standards of quality and safety in mind.
Stows Easily
The Hercules Prime Adaptive booster seat can be easily folded into a compact, convenient size with a few simple steps. This not only makes installation in the vehicle easier but also makes it easy to transport in small car trunks and save space when not in use.
• Ideal solution for larger riders who can’t use a smaller carseat
• Includes Swivel Base for easy transfers for larger passengers! (Swivels left or right)
• Less back strain for loading passengers
• Room to grow with adjustable backrest height adjustment (13cm, 5.1 inch range) *included
• Room to grow with optional adjustable shoulder width, can adjust individually (42-51cm, 16.6” to 20.1”) *accessory
• Angle Adjustable Back with no tools
• Seat Tilt (0-10º) ideal for riders with poor trunk control
• Multiple Positioning Accessories including Swing-Away Upper and Mid-body Supports
• Easy installation in vehicles (via LATCH or Stabilizing Bow)
• Folds compactly for storage in smaller vehicles and travel
• Safety in mind: exceeds US FMVSS 213 standards
Size Ranges
Specifications | Imperial (USA) | Metric |
Seat Depth |
15.7″ – 18.1″ |
40 – 46cm |
Depth behind Crotch Strap |
9.5″ – 15″ |
24 – 38cm |
Seat Width |
15.7″ |
40cm |
Seat to Head |
26.4″ – 31.5″ |
67 – 80cm |
Back Width (seat) |
17.7″ |
45cm |
Shoulder Height (belt guide) |
16.5″ – 25.2″ |
42 – 64cm |
Shoulder Width (with shoulder guide) |
16.5″ – 20.1″ |
42 – 51cm |
Back Angle (max) |
120° |
120º |
Seat Tilt-in-Space (with tilting base 10°) |
0° / 2,5° / 5° / 7,5° / 10° |
0° / 2,5° / 5° / 7,5° / 10° |
Lower Leg Length (with Footrest) |
6.7″ – 16.9″ |
17 – 43cm |
Height of Lateral Trunk Supports (upper edge) |
10.2″ – 14.2″ |
35cm |
Distance, Lateral Trunk Supports (max.) |
13.8″ |
35cm |
Max Overall Dimensions |
20.5″W x 34.6″H x 16.9″D |
52 x 88x 43cm |
Min. Folded Dimensions |
20.5″W x 8.3″H x 28.7″D |
52 x 21 x 73cm |
Hercules Prime Weight (no accessories) |
29.5lbs |
13.4kgs |
User Body Height |
51.1″ (4.25 feet) – 70.9″ (5’9″ feet) |
130-180cm |
User Weight |
40 – 176lbs |
18.1 – 80kgs |