Tricycle With Cargo Box
Some operators do not need a water-cooling system. They need a practical tricycle with cargo box that is easy to maintain and suitable for daily freight transportation. The HM-03 is designed with this type of application in mind.
It is powered by a 200 cc single-cylinder, 4-stroke, air-cooled engine delivering 10.2 kW at 7,500 rpm and 15 N·m of torque at 6,000 rpm. The air-cooled design has a straightforward structure without a radiator, water pump, or coolant system, which can simplify routine maintenance. This makes the HM-03 suitable for markets where practical servicing and accessible maintenance are important considerations.
The chassis is designed for heavy-load applications, with a 50 × 100 mm reinforced frame, Full-Floating Booster King Φ220 rear axle, 4+3 double-layer leaf springs, and four-spring shock absorbers. The configuration helps support vehicle stability and reduce road vibrations during heavy-load transportation. The HM-03 offers cargo box sizes ranging from 2.0 × 1.35 m to 2.2 × 1.35 m, providing practical loading space for agricultural produce, building materials, bulk goods, and other freight. The vehicle is fitted with 5.00-12 tires and a 12 V 18 Ah battery.
The HM-03 is designed for operators who need to transport heavy goods on a regular basis while keeping the powertrain and maintenance requirements straightforward. Its air-cooled engine and reinforced chassis make it suitable for daily commercial freight transportation in a variety of road and operating conditions.

product Parameter (specification)
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Model Name:HM-03 |
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Item Name |
ITEMS |
SPECIFICATION |
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Engine Data |
ENGINE TYPE |
Single cylinder, 4-stroke, air-cooling |
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DISPLACEMENT |
200 CC |
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BORE*STROKE |
63×62 | |
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COMPRESSION RATIO |
9.0:1 | |
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IGNITION METHOD |
CDI |
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STARTING MODE |
Electric/Kick |
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TRANSMISSION |
Cycle 5 gears |
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MAX.POWER(KW/RPM) |
10.2(1±5%)/7500 | |
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MAX.TORQUE(NM/RPM) |
15(1±5%)/6000 | |
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BODY: Dimensions and Weight |
FRAME KEEL |
50×100mm |
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CARGO |
2×1.35--2.2×1.35m | |
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REAR AXLE |
Full-Floating Booster King φ220 | |
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STEEL BOARD |
4+3 type (double layer ) | |
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SHOCK ABSORBER |
Four-Spring Shock Absorber | |
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TIRE |
5.00-12 (FR, RR) | |
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BATTERY |
12V18Ah | |
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OTHERS |
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Loading |
loading/40HQ |
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Production details

Engine
It maintains stable temperature and zero power loss during long-time heavy-load climbing in high temperature, with strong low-speed torque ideal for loaded start and uphill driving.
Suspension
33mm front hydraulic shocks are tailored for heavy loads, retaining excellent damping performance without faults after long-distance rough road use.


Rear Axle
Split rear axle features thickened structure, strong climbing power and stable braking, easy maintenance with universal parts for long service life.
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FAQ
What is the maximum gradeability of the HM-03 at full 1,500 kg load?
The HM-03 can climb gradients of approximately 20°–25° with its rated 1,500 kg payload, supported by the 200cc engine's 15 N·m torque output at 6,000 rpm and the full-floating Booster King Φ220 rear axle with booster gearing. Actual performance may vary depending on road surface conditions, tire grip, and driving technique. For extremely steep routes, we recommend consulting with our sales team to ensure the vehicle meets your specific terrain requirements.
What are your accepted payment terms?
We accept payment by T/T (bank transfer) and L/C (letter of credit). For standard orders, we typically require a 30% deposit to begin production, with the 70% balance due before shipment. For smaller trial orders or sample orders, full payment is required in advance. Payment terms may be adjusted based on order volume and customer relationship. Please contact our sales team to discuss arrangements that suit your specific needs.
What are the overall dimensions and ground clearance of the HM-03?
Overall dimensions are approximately 3700mm (length) × 1450mm (width) × 1550mm (height), with a wheelbase of approximately 2400mm. The ground clearance is approximately 180mm, allowing the vehicle to pass over common obstacles such as rocks, potholes, and uneven road surfaces without scraping the undercarriage during normal operation. For exact specifications, please contact our sales team.
What is the fuel tank capacity and estimated range per full tank?
The HM-03 is equipped with a fuel tank capacity of approximately 18 liters. With fuel consumption of 4–6 L/100km under typical operating conditions, a full tank provides an estimated range of 300 to 450 kilometers, depending on load weight, road conditions, and driving habits. For exact tank capacity specifications, please contact our sales team.
What is the turning radius of the HM-03, and can it navigate narrow rural roads?
The HM-03 has a turning radius of approximately 3.5 to 4 meters, making it reasonably maneuverable for a cargo tricycle with a 2.2m cargo box. It can navigate most rural roads and narrow village lanes, though tight spaces may require multiple-point turns. The wheelbase and track width provide a stable footprint while still allowing adequate maneuverability for markets, loading docks, and farm paths.
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