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Hercules Small

A booster with a positional harness made by Thomashilfen, a company with U.S headquarters in Sumner, WA.

Description

This booster seat features a positional five-point harness (non-load bearing), compact folding for storage, and a swivel base for ease of loading/unloading with a lock-out function and up to 10° tilt option. The booster MUST be used with a vehicle lap-shoulder belt. The backrest angle adjusts to match the vehicle seatback and can be lengthened as the occupant grows. The base has a built-in tilted and can be adjusted up to 10 degrees; must specify left- or right-ward turning when ordering. Several accessory guides, positioners, and a stabilizing foot are available to customize fit and function for superior positioning.
This is an adaptive child restraint; the Thomashilfen Hercules Small. It is a booster with a positional harness.

Last updated on April 1, 2025.

Child Requirements

 
  Pounds Kilograms Inches Centimeters Age (years)
Minimum 40 18.2 43.4 110.1 n/a
Maximum 110 50 59 150 n/a

Measurements and Characteristics

Car Seat Mass (Weight)

26.6 lbs / 11.6 kg

Vehicle Fit Characteristics

 
  Outside height (max):

33.5 in./85 cm
  Widest outside width: 21.7 in./55 cm
  Vehicle requirements:
  • For comfort, a distance of about 43.3 in/110 cm from the vehicle seat cushion to the roof of the vehicle is recommended for taller occupants. At minimum, there MUST be at least 2 inches/5 cm from the child’s head to the roof of the vehicle.
  • For stabilization, one of these Thomashilfen accessories must be used:
    • lower anchors connection (which attaches to vehicle LA bars; required if LAs available) or stabilizing bow (which must fit into the bight when LAs not available).
    • Depending on best fit to vehicle, stabilizing bow may be installed with the bend either up or down.
  • Requires a level seat cushion that properly supports the bottom of the booster or else Thomashilfen’s accessory “leveling and protection cushion” (Part 513, sold separately)..

Child Fit Characteristics

 
  Narrowest torso area: Customizable using shoulder, body or trunk guides
  Narrowest seat cushion width: 11.4 in./29 cm to 15 in./38 cm
  Seat cushion depth: 12.2 in./31 cm to 15.35 in./39 cm
  Seat cushion depth extender options: Built in adjustment allows increase of up to 3.15 in./8 cm.

Harness Fit Characteristics

 
  Harness Type: Five-point (for positioning only)
  Number of harness height positions: One, but harness height adjusts with backrest, up to 9.45 in./24 cm.
  CR bight to lowest shoulder height position: 14.2 in./36 cm
  CR bight to highest shoulder height position: 23.6 in./60 cm
  Crotch strap present: Yes
  Crotch strap adjustability: Yes
  CR bight to nearest crotch strap position: 7.9 in./20 cm
  CR bight to farthest crotch strap position: 13 in./33 cm

Angle

 
  Semi-recline allowed in forward-facing position: Yes; backrest adjusts to match vehicle seat
   

Tether

 
  Tether present: No
  Special tethering: n/a

Accessories / Add-ons

Standard accessories:

  • Swivel base with lock-out function and up to 10° tilt option
  • Shoulder pads
  • Crotch pad
  • Mounting options for add-on accessories
  • Removable, machine-washable cover

Add-on accessories:

  • Chest clip
  • Leveling and protection cushion
  • Front stand (with or without footrest)
  • Belt guide (to equip seat with guides on both sides)
  • Lateral trunk supports (fixed or swing-away)
  • Abduction block
  • Leg guides
  • Arm rests
  • Table (requires armrests)
  • Incontinence pad
  • Head pad

Miscellaneous Information

  • MSRP (U.S. dollars): Starts at $3,985.00
  • Company certifies to meet standard:
    • FMVSS213 (U.S.): Yes
    • CMVSS 213 (Canadian): No
  • Will ship to Canada? No
  • Owner’s manual languages available: English

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