Yamaha Golf Car UMAX AC (2027)
yamahagolfcar.com/models/umax2-ac/specs
The Yamaha Golf Car UMAX AC is a golf cart with a stated top speed of 19.5 mph (31.4 km/h), a towing capacity of 1,500 lbs and a curb weight of 1,462 lb.
Last updated: 3 November 2026
What we found
- A battery is documented for it: T-105 6V Flooded Lead Acid, identified by the manufacturer as the correct match.
- Further batteries are listed on this model's battery page and are not included in the count above.
- Specifications are published for it, each with its source.
Motor and performance
- Minimum turning radius
- 4.0 m (13.1 ft)
- Maximum in reverse
- 6.2 mph (10 km/h)
- Motor type
- 48-volt AC Motor
- Motor power rating
- 6.7 hp (5.0 kW)
- Top speed
- 19.5 mph (31.4 km/h)
- Maximum gradient
- 15 degree
- Towing capacity
- 1,500 lbs
Row from the maker’s page: “Min Turning Radius” | “4.0 m (13.1 ft)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Max Reverse Speed” | “6.2 mph (10 km/h)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Motor” | “48-volt AC Motor”
Source: yamahagolfcar.com/models/umax2-ac/specs
“Output Rating 6.7 hp (5.0 kW) Charger Delta-Q Charger OTHER Available”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Max Forward Speed” | “19.5 mph (31.4 km/h)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Hill Climbing Capacity” | “15 degree”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Towing Capacity” | “1,500 lbs”
Source: yamahagolfcar.com/models/umax2-ac/specs
Battery and charging
- Battery fitted
- Trojan - T-105 (8x6volt) RC: minimum 115 min @ 75 Amps
- Vehicle control module
- A Toyota Industries controller, unrated
- Charger fitted
- Delta-Q Charger
“Battery Trojan - T-105 (8x6volt) RC: minimum 115 min @ 75 Amps”
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-90.pdf
“Motor Control Unit Toyota® Industries-built motor controller unit.”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Charger” | “Delta-Q Charger”
Source: yamahagolfcar.com/models/umax2-ac/specs
Size and fit
- Minimum ground clearance
- 4.5 in (11.5 cm)
- Bed capacity
- 800 lbs.
- Overall length
- 119.3 in (303.0 cm)
- Tyre size fitted
- 20x10x10 4ply Monitor K389 (front) K500 (rear
- Height with the suntop fitted
- 71.9 in (182.5 cm)
- Curb weight
- 1,462 lb
- Seating capacity
- 2 persons
- Overall width
- 49.4 in (125.5 cm)
- Cargo box, inside
- 41.1in L x 45.9in W x 11.8in H
- Wheelbase
- 77.2 in (196.1 cm)
- Floorboard height
- 13in (33 cm)
Row from the maker’s page: “Min Ground Clearance” | “4.5 in (11.5 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Cargo Bed Capacity” | “800 lbs.”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Overall Length” | “119.3 in (303.0 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
“Tire Size 20x10x10 4ply Monitor K389 (front) K500 (rear”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Overall Height With Suntop” | “71.9 in (182.5 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Curb Weight***” | “1,462 lbs. (663 kg)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Seating Capacity” | “2 persons”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Overall Width” | “49.4 in (125.5 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Cargo Bed Size” | “41.1in L x 45.9in W x 11.8in H”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Wheelbase” | “77.2 in (196.1 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Floor Board Height” | “13in (33 cm)”
Source: yamahagolfcar.com/models/umax2-ac/specs
Brakes and safety
- Brakes
- Self-adjusting mechanical, rear wheel drum brakes.
Row from the maker’s page: “Brakes” | “Self-adjusting mechanical, rear wheel drum brakes.”
Source: yamahagolfcar.com/models/umax2-ac/specs
Frame and components
- Steering
- Self-compensating double reduction helical rack-and-pinion.
- Colours
- Glacier, Frosty Fern, Carbon
- Frame
- HybriCore™ chassis features a robotic welded automotive ladder-style steel frame protected with a multi-step full-immersion phosphate treatment, electro-deposition epoxy-based coating, and an electrostatic applied polyester/urethane powder topcoat.
Row from the maker’s page: “Steering” | “Self-compensating double reduction helical rack-and-pinion.”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Available Model Colors” | “Glacier, Frosty Fern, Carbon”
Source: yamahagolfcar.com/models/umax2-ac/specs
Row from the maker’s page: “Frame” | “HybriCore™ chassis features a robotic welded automotive ladder-style steel frame protected with a multi-step full-immersion phosphate treatment, electro-deposition epoxy-based coating, and an electrostatic applied polyester/urethane powder topcoat.”
Source: yamahagolfcar.com/models/umax2-ac/specs
This model’s recall history
Notices that name this model in other model years. They are not recalls for the machine on this page — each one says below which years it covers.
Model year 2023 UMAX vehicles were recalled for crash and injury hazards and a risk of death. This row is a 2027 machine and is not among them.
About 352,000 Yamaha golf car vehicles, model years 2016 to 2024, were recalled for an accelerator pedal spring that can stick — a stop-use notice expanding four earlier recalls. This row is a 2027 machine and is not among them.
Sources
- 2027 UMAX AC - Specifications | Yamaha Golf CarArchived document
Source: yamahagolfcar.com/models/umax2-ac/specs
Retrieved September 16, 2026
- Archived document
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A3-90.pdf
Retrieved September 28, 2026
- Archived document
Source: golfcars.yamaha-owners-manuals.com/om/LIT-19626-A0-03.pdf
Retrieved September 28, 2026