300cc Heavy Duty 6-Speed Cargo 3-Wheeler
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300cc Heavy Duty 6-Speed Cargo 3-Wheeler

The 300cc Heavy Duty 6-Speed Cargo 3-Wheeler combines water-cooled 6-speed power with a heavy-duty 50x100mm chassis and a 2.6m cargo bed, perfectly balancing hill-climbing torque, highway efficiency, and massive payload for long-haul profitability.
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Product Introduction

The 300cc Heavy Duty 6-Speed Cargo 3-Wheeler is purpose-built for long-haul heavy loads. Unlike standard air-cooled models, its 300cc water-cooled engine delivers consistent, fade-free power over hundreds of kilometers. The highlight is the 6-speed transmission: low gears give immense torque for heavy starts and hills, while high gears ensure fuel-saving highway cruising. True to its Heavy Duty name, it rides on a 50x100mm frame, 7+5 leaf springs, and 5.5-13 wear-resistant tires, paired with a Φ220 full-floating rear axle for rock-solid braking. With a large 2.6m Cargo bed, this 3-Wheeler is built to handle big orders and maximize daily profit.

300cc Heavy Duty 6-Speed Cargo 3-Wheeler

 

Procurement Instructions

1. Water-Cooling System & Coolant Check
This vehicle features a water-cooled engine, essential for avoiding power fade on long hauls. Please ensure the factory has filled it with qualified coolant (or instruct your local dealer to do so before first use). Also, warn end-users: downshift to lower gears when climbing long, steep hills to prevent the engine temperature from rising too high under continuous heavy loads.
 

2. 6-Speed Gearbox Operating Tips
It comes with a constant-mesh 6-speed transmission, offering a wider gear range. Please ensure we include a "6-speed shifting guide" with the shipment. Crucially, remind the driver: never drive at low speeds in high gears under full load, as this will severely damage the clutch and gears. Always start heavy loads in lower gears and shift up smoothly.
 

3. Tire Pressure & Brake Adjustment
The standard 5.5-13 wear-resistant tires provide excellent grip and durability. However, during long sea voyages or outdoor storage, keep tires inflated to the standard pressure to prevent sidewall deformation. Also, due to the large rear drum brakes, we advise the user to readjust the brake free play upon first heavy loading to ensure optimal stopping power.

Production details

300cc Heavy Duty 6-Speed Cargo 3-Wheeler
Engine

The 300cc Heavy Duty 6-Speed Cargo 3-Wheeler features a Zongshen II 300 water-cooled engine for consistent long-haul power. 21N·m torque at 5,500rpm ensures strong starts. The 6-speed transmission delivers low-end grunt for hills and highway fuel economy. Proven and durable.

 

Rear axle


The 300cc Heavy Duty 6-Speed Cargo 3-Wheeler features a DYNABULK 9th Gen Fully Floating 220 drum rear axle with center-mounted dual wheels. The large Φ220 drum brakes provide reliable stopping power. The full-floating design prevents axle breakage by separating load-bearing from drive shafts, while the dual rear wheel setup ensures exceptional stability on uneven roads under full loads, making it safe and reliable for long-haul heavy transport.

 

300cc Heavy Duty 6-Speed Cargo 3-Wheeler

 

300cc Heavy Duty 6-Speed Cargo 3-Wheeler
Fuel tank
 

The 300cc Heavy Duty 6-Speed Cargo 3-Wheeler is equipped with a large-capacity fuel tank positioned under the seat for a low center of gravity and protection during loading. Combined with the water-cooled engine and fuel-efficient 6-speed transmission, a full tank provides a long driving range, greatly reducing refueling stops on long trips.

 

 

About us

 "HANXUE HUMMER" Company is located in the Chongqing Industrial Park of China, covering an area of 25,000 square meters. Our company's advantages lie in over ten years of experience in the research and production of tricycles, possessing independent enterprise patent technology, strict quality control, sufficient inventory, flexible customization, and one-stop export support services.

300cc Heavy Duty 6-Speed Cargo 3-Wheeler

Factory

300cc Heavy Duty 6-Speed Cargo 3-Wheeler

Patent Certificate

300cc Heavy Duty 6-Speed Cargo 3-Wheeler

 

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