Example: Merits Pioneer 4 Full Size 4 Wheel Mobility Scooter S141
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Top Highlights
Top Highlights
Key Features
Key Specifications
Specifications & Documents
Specifications & Documents
| Product # | S141 |
| Weight Capacity | 400 lbs |
| Drivetrain | RWD |
| Maximum Speed | 5 mph |
| Per-Charge Range | Up to 18 miles |
| Battery Size | 2 × 33Ah U1 AGM |
| Ground Clearance | 4" |
| Turning Radius | 52" |
| Overall Length | 48" |
| Overall Width | 23" |
| Overall Height | 45.5" |
| Seat-to-Ground Height | 25"–28" |
| Seat-to-Deck Height | 16"–19" |
| Seat Width | 20" |
| Seat Depth | 20" |
| Backrest Height | 20" |
| Total Weight | 189 lbs |
| Motor | DC 24V, 250W |
| Controller | Dynamic Rhino2 90A |
| Charger | 5A off-board |
| Gradient / Maximum Incline | 8° |
| Front Wheels | 10" diameter flat-free tires |
| Drive Wheels | 10" diameter flat-free tires |
| HCPCS Code | K0899 |
| Color Options | Red, Blue |
Warranty & Returns
Warranty & Returns
Description
Description
Full-size comfort with four-wheel stability
The Merits Pioneer 4 is a full-size four-wheel scooter built around a 400 lb weight capacity, a substantial one-piece frame, and an adjustable captain’s seat. Its four-wheel platform prioritizes stability while maintaining a 52-inch turning radius for everyday maneuvering.
Adjust the seat and tiller around your riding position
A 20" × 20" × 20" sliding captain’s seat provides a spacious seating area, while padded foam armrests can be adjusted for height, width, and angle.
The hydraulic adjustable tiller provides another point of adjustment, allowing the controls to be positioned around your preferred reach.
A complete lighting system is built in
The Pioneer 4 comes equipped with a headlight, taillights, turn signals, and hazard lights, giving you integrated lighting and signaling controls without requiring separate accessories.
Rear anti-tippers are also included as part of the scooter’s standard equipment.
Flat-free wheels keep tire maintenance simple
The scooter uses 10-inch flat-free tires at both the front and rear, eliminating the need to monitor tire pressure.
Its 4 inches of ground clearance provides additional space beneath the scooter compared with lower-profile travel models, while the steel front bumper helps protect the bodywork during everyday use.
Up to 18 miles of everyday range
The Pioneer 4 travels at up to 5 mph and provides up to 18 miles of range per charge. Two 33Ah U1 AGM batteries power a 24V 250W motor controlled by a Dynamic Rhino2 90A controller.
A full-size scooter that prioritizes comfort and durability
At 189 lbs total, the Pioneer 4 is substantially heavier than a portable travel scooter and uses a one-piece frame rather than a design centered on frequent disassembly.
If you plan to transport it regularly, a compatible vehicle lift can make loading and traveling with the scooter much more practical without requiring you to manually handle its substantial weight.
Its combination of 400 lb capacity, adjustable captain’s seating, hydraulic tiller, full lighting, flat-free wheels, and full-size construction makes the Pioneer 4 a straightforward option for everyday mobility where comfort and durability matter more than compact portability.
Take your next step
Order today and your order would arrive in an estimated 3-6 Business Days. .
Have any questions? Give us a call at +1 866 434-8592 during our customer support hours: Mon–Fri 9:00am → 5:00pm CT, or fill out our contact form here.
