Diono Connect3 RXT 2-in-1 High Back Booster
- Maximum Weight Recommendation: 120 pounds
- Orientation: Forward Facing
- Harness Type: Seat Belt
- Material Type: Foam
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A high weight capacity forward-facing seat worth considering if a long service life matters more than LATCH installation.
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ASIN: B0DDQJ4SMPModel: 56250Category: Child Car Seats
Overview
The Diono 56250 is a forward-facing car seat built for toddlers, rated to 120 pounds and installed with a standard seat belt. Its foam construction is aimed at higher-weight, longer-term use rather than infant carrying.
A 120 pound weight limit is well above what most convertible seats offer, pointing to a seat built to carry a child from toddler years into the booster range without a seat change. Diono lists it as seat belt install only, with no LATCH option mentioned, so drivers relying on lower anchors elsewhere in the car will need to switch to belt installation for this seat. No dimensions or seat weight are given in this listing.
- 120 lb weight capacity
- Forward-facing orientation
- Seat belt installation
- Foam construction
Who it's for
Parents of toddlers who want a seat that stays installed for years without an upgrade to a new capacity class. Less suited to anyone who specifically wants LATCH installation, since only seat belt install is listed here.
Pros and cons
- 120 pound weight capacity extends usable years
- Forward-facing design suited to toddlers and older children
- Seat belt installation only, no LATCH listed
- No dimensions or seat weight provided
Performance notes
The 120 pound capacity is the standout figure, extending the seat's usable life well past a typical convertible's range, while foam construction handles the impact absorption expected of a forward-facing seat in this weight class.
Specifications
| Brand | Diono |
|---|---|
| Model | 56250 |
| Dimensions & fit | |
| Maximum Weight Recommendation | 120 poundshigher than 84% of 39 child car seats |
| Orientation | Forward Facing |
| Number Of Height Positions | 11 |
| Rear Facing Maximum Weight | 120 pounds |
| Minimum Weight Recommendation | 40 pounds |
| Item Dimensions D X W X H | 18.1 × 16.3 × 23.6 inches |
| Maximum Height Recommended | 63 inches |
| Minimum Height Recommendation | 38.2 inches |
| Capacity & performance | |
| Age Range Description | Toddler |
| Construction & materials | |
| Material Type | Foam |
| Color | Black Storm |
| Compatibility & installation | |
| Installation Type | Seat Belt |
| Included components | |
| Unit Count | 1 |
| Other details | |
| Harness Type | Seat Belt |
| Infant Toddler Car Seat Type | Booster Car Seat |
| Part Number | 56250 |
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Frequently asked questions
Does the Diono 56250 install with LATCH?
This listing specifies seat belt installation only.
What age range is it for?
It's listed for the toddler age range, forward-facing.
What's the maximum weight?
120 pounds.