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Yamaha Commercial

Umax One

With luxurious bucket seats, under hood storage compartment, and large 20" tires, you can see the difference when power, performance, versatility, and comfort matter.

Download 5395_UMAX Brochure_11_MQ Brochure

Umax Two

Just as strong, resourceful, and reliable as the UMAX One, but additionally equipped with an even more substantial cargo bed. Measuring in at 41″ long, 46″ wide, and 12″ deep, your maintenance team will have even more volume to work with.

Vehicle Specifications

Power

Gasoline Umax One Umax Two
Fuel System Electronic fuel injection Electronic fuel injection
Engine Type Yamaha-built 402cc, Low Emission
Single Cylinder 60° Incline OHV
Yamaha-built 402cc, Low Emission
Single Cylinder 60° Incline OHV
Lubrication System Splash-style positive oil lubrication Splash-style positive oil lubrication
Oil Capacity 1.16 U.S. quart (1.1 liter, 1100cc),
Yamalube 10W-30 liter
1.16 U.S. quart (1.1 liter, 1100cc),
Yamalube 10W-30 liter
Cooling System Forced air Forced air
Starting System Starter generator with pedal start system Starter generator with pedal start system
Electric Umax Two
Motor 48-volt AC
Output Rating 6.7 hp (5.0 kW FOR 60 minutes)
Motor Control Unit NEOS 350 amp AC controller
by Toyota Industries Corporation
Batteries Standard: Eight 6-volt Trojan
T-105 Batteries

Dimensions

Umax One Umax Two
Overall Length 111.45 in (283.1 cm) 119.37 in (303.2 cm)
Overall WIdth 49.33 in (125.3 cm) 49.33 in (125.3 cm)
Overall Height (with suntop) 71.81 in (182.4 cm) 71.81 in (182.4 cm)
Wheelbase 66.18 in (168.1 cm) 77.2 in (196.1 cm)
Front Wheel Tread 39.96 in (101.5 cm) 40.27 in (102.3 cm)
Rear Wheel Tread 40.19 in (102.1 cm) 40.19 in (102.1 cm)
Minimum Ground Clearance 4.56 in (11.6 cm) 4.52 in (11.5 cm)

Chasis

Umax One Umax Two
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
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
Body Custom-formulated thermoplastic olefin
painted with a two-part top coat of
high-luster automotive-grade polyurethane
Custom-formulated thermoplastic olefin
painted with a two-part top coat of
high-luster automotive-grade polyurethane
Steering Self-compensating double reduction
helical rack-and-pinion
Self-compensating double reduction
helical rack-and-pinion
Front Wheel Suspension Tru-Trak II™ fully independent
automotive-style strut suspension
Tru-Trak II™ fully independent
automotive-style strut suspension
Rear Wheel Suspension Unit swing arm with DUAL RATE coil
springs over hydraulic shock absorbers
Unit swing arm with DUAL RATE coil
springs over hydraulic shock absorbers
Brakes Self-adjusting mechanical,
rear wheel drum brakes
Self-adjusting mechanical,
rear wheel drum brakes

Performance

Umax One Umax Two
Maximum Forward Speed 19.5 mph (31.4 km/h) 19.5 mph (31.4 km/h)
Maximum Reverse Speed 17.5 mph (28 km/h) 17.5 mph (28 km/h)
Maximum Turning Radius 3.48 m 3.98 m

General

Umax One Umax Two
Dry Weight 421.8 kg 455.4 kg
Cargo Bed Capacity 300 lbs 800 lbs
Towing Capacity 800 lbs 1,200 lbs
Cargo Bed Size 33.2" L x 45.9" W x 11.9" H 41.1" L x 45.9" W x 11.9" H
Fuel Tank Capacity (Gas) 5.2 US GAL (20 LITERS) 5.2 US GAL (20 LITERS)
Tire Size 20x10x10 4ply Monitor K389 (front)
K500 (rear)
20x10x10 4ply Monitor K389 (front)
K500 (rear)