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48V/60V 600W 800W 8 Inch High Torque Fat Tire Hub Motor | HM-8-B

Huameng HM-8-B is a top-tier 8 inch 800w brushless motor engineered to deliver maximum tractive effort and rugged structural durability. Sporting an ultra-wide 200×90 maintenance-free solid tire, this 8 inch fat tire hub motor provides exceptional traction and anti-tipping stability across gravel, mud, and city asphalt. It is fully optimized for heavy payloads and hilly urban terrains, offering worldwide distributors and vehicle factories a highly reliable, high torque 8 inch scooter motor with extensive OEM/ODM customization options available.

Category: 8 Inch Hub Motor

Description

Huameng HM-8-B is a heavy-duty, high-output 8 inch fat tire hub motor engineered for high-performance electric scooters, off-road personal mobility vehicles, and autonomous delivery platforms. Operating on a robust 48V–60V system, this 8 inch 800w brushless motor features an extra-wide 200×90 maintenance-free solid wide tire and an extended 135mm dropout width. It is the premier OEM/ODM solution for manufacturing partners requiring an ultra-durable, high torque 8 inch scooter motor capable of handling rugged terrain, heavy payloads, and sustained high-speed operation.

Why Choose HM-8-B 8 Inch Hub Motor?

Feature	Technical Benefit	Business Advantage
600W–800W High Output	Delivers massive acceleration and maintains high speeds under heavy loads.	Attracts premium buyers looking for high-performance adult/utility scooters.
48V–60V Voltage System	Optimized for higher-voltage electrical systems, reducing heat and current draw.	Enhances overall battery pack and controller synergy for high-power platforms.
200×90 Wide Fat Tire	Maximizes road contact area, providing superior grip, stability, and shock absorption.	Opens up new market segments like off-road, beach, and rugged terrain transit.
Heavy-Duty 40H Magnet Design	Significantly increases magnetic flux density for exceptional climbing power.	Eliminates motor stalling on steep inclines ( $\ge$ 15% grades) under full load.
135mm Open Size (Dropout)	Rigid, wider mechanical footprint designed for rear-wheel drive stability.	Fits perfectly into reinforced, heavy-duty vehicle chassis configurations.
Precision 160mm Disc Brake	Engineered for high-speed heat dissipation and reliable stopping distance.	Guarantees compliance with strict international high-speed vehicle safety standards.

Technical Specifications

Brand / Manufacturer: Huameng (HWAMUNG)
Product Model: HM-8-B
Motor Type: Brushless Direct Current (BLDC) High-Torque Hub Motor
Wheel / Rim Size: 8 Inch
Rated Voltage Options: 48V / 60V
Rated Power Range: 600W / 700W / 800W
No-Load Current: ≤ 1.2A – 2.0A
Rated Rotating Speed: 1400 – 1700 $\pm$ 4% RPM (High Speed)
Max Torque Output: ≥ 25 Nm (at 20A current limits)
Peak Efficiency Point: ≥ 82%
Tire Size Compatibility: 8" Wide Fat Tire (Puncture-Proof Solid Rubber: 200×90)
Magnet Height & Length: 40 mm (40H High-Grade Rare-Earth Neodymium)
Number of Poles / Magnets: 15 Pole Pairs (30 Pieces)
Brake System Adaptation: Optimized for 160mm Disc Brake Systems
Dropout / Open Size: 135 mm
Waterproof & Dustproof Rating: IP54 Certified
Cable Configuration: Heavy-Duty 2.5 mm² Phase Wire (Handles higher current loads)
Motor Weight: 4.0 Kg (Reinforced structure)
Target Applications: Off-Road E-Scooters, Cargo Delivery Vehicles, High-Load Smart Drivetrains
OEM / ODM Customization: Fully Available (Windings, Shaft Dimensions, Cabling, Connectors)

Key Advantages

Advanced 48v 60v 800w hub motor Technology: Provides an extended high-efficiency plateau ( $\ge$ 82%) to prevent battery wastage during peak acceleration.
Industrial-Grade 40H Magnets: Thicker 40mm magnets deliver unrivaled low-end torque for quick take-offs and steep hill climbs.
Ultra-Wide Fat Tire Stability: The 200×90 wide profile prevents tipping and provides maximum stability over gravel, dirt, and wet asphalt.
100% Flat-Free Operational Reliability: Puncture-proof solid rubber design cuts fleet maintenance overhead to zero.
Enhanced Thermal Management: Aluminum alloy hub structure paired with DW270 steel sheets rapidly dissipates heat during continuous high-wattage outputs.
Heavy-Gauge 2.5mm² Phase Wires: Upgraded cable core handles high current spikes without melting or degrading insulation.

Typical Applications of HM-8-B

Target Industry	Specific Vehicle Application	Operational Advantage
High-Performance E-Scooters	Adult sport scooters, dual-motor setups, and off-road micro-mobility vehicles.	High RPM and high torque provide an exhilarating, rugged riding experience.
Heavy-Duty Commercial Rental	Premium sharing scooter networks operating in hilly cities or rough terrain.	135mm solid axle and wide tire resist high impact, curbing, and vandalism.
Last-Mile Delivery Robots	Autonomous outdoor heavy-payload delivery rovers and sidewalk AGVs.	Wide track tire handles curbs and uneven sidewalks while carrying dense cargo.
Industrial Logistics Vehicles	Factory floor stock-chasers, heavy material carts, and industrial tow tugs.	Sustained low-speed torque accommodates high payloads without motor overheating.
All-Terrain Utility Equipment	Compact agricultural transport tools, beach cleaners, and outdoor sport karts.	Fat tire traction operates reliably over sand, loose soil, and damp turf.

Custom Hub Motor Solutions from Huameng

Huameng specializes in tailoring heavy-duty electric drivetrain hardware to meet strict vehicle engineering specifications:

Stator Winding Customization: Custom calibrated RPM/V ratios to achieve specific top-speed limits (e.g., 45 km/h or 60 km/h) depending on regional import laws.
Shaft and Axle Alterations: Precision CNC-machined custom axle lengths, thread specifications, and flat-spot indices to drop into customized swingarms.
Waterproof Cable Configurations: Upgraded cable shielding lengths and customized heavy-current quick-disconnect terminal plugs.
Tire Formulation Options: Custom anti-skid tire tread architectures tailored for pure street or off-road mud/sand traction.
Private Label Branding: High-resolution laser-marked serialization, custom part tracking codes, and company logos.
BMS/Controller Integration Matching: Direct engineering assistance to match the phase angles and hall configurations with your custom controllers.

Premium Materials & Manufacturing Process

Our commitment to technical authority and rigorous quality control underpins every step of our automated manufacturing assembly.

Motor Component	Premium Material Selection	Engineering Performance Advantage
Stator Silicon Steel	DW270 High-Permeability Sheet	Fundamentally minimizes iron core eddy current losses and reduces heat build-up.
Permanent Magnets	High-Performance NdFeB (Rare Earth)	Resistant to thermal demagnetization, ensuring stable magnetic flux fields.
Copper Windings	QZ-2/155 Enamel-Coated Pure Copper Wire	Dual-insulated structure prevents electrical shorts and withstands peak current surges.
Wheel Hub Shell	High-Strength CNC-Machined Aluminum Alloy	Exceptional structural rigidity, rapid heat dissipation, and corrosion resistance.
Internal Bearings	Precision Sealed Industrial Grade Bearings	Exceptionally low friction coefficient, high radial load handling, and quiet rotation.

Performance Benchmarking: Why HM-8-B Outperforms Conventional Motors

Performance Parameter	Huameng HM-8-B	Standard Aftermarket Scooter Motors
Max Power Handling	Sustained 800W (Peak >1200W)	Prone to burning coils over 500W continuous
Tire Contact & Stability	90mm Wide Track Fat Tire	Standard 50mm narrow tire (slips easily)
Inclined Climbing Torque	Exceptional (40H High Flux Magnets)	Weak (Magnets fade under prolonged uphill thermal loads)
Axle Shear Strength	Ultra-Rigid (135mm Wide Dropout Footprint)	Standard 110mm thin axles prone to bending under heavy jumps
Cable Integrity	2.5 mm² High-Current Core Wire	1.5 mm² or 2.0 mm² wires (vulnerable to high-heat melting)

Technical Engineering Support & CAD Integration

Simplify your vehicle prototype process with our ready-to-import mechanical engineering assets.

HM-8-B 7

2D Technical Blueprint: Accurate engineering drawings detailing the 135mm open size, axle flattening indicators, brake rotor mounting PCD, and wiring exits.
3D STEP / CAD Files: Instantly available upon commercial verification. Easily drop the HM-8-B model into your SolidWorks, Fusion 360, or Inventor assemblies to cross-verify chassis tolerances.
Regulatory Compliance: Produced under rigid ISO9001 quality systems. Complies with CE and RoHS directives for frictionless entry into European and North American commercial markets.

Request 2D/3D CAD Files for Vehicle Integration.

Global Factory Strengths: Why Buyers Partner with Huameng

Automated Precision Assembly: Eliminates manufacturing variances, ensuring every batch of 800W motors exhibits matching torque outputs.
Rigorous Dynamic Balancing: Every individual HM-8-B wheel assembly undergoes severe high-RPM dynamic balancing to completely wipe out steering wheel wobble at high speeds.
Experienced Tier-1 Exporter: Fast sampling pipelines and reliable shipping solutions engineered directly for overseas vehicle factories, custom assembly lines, and industrial parts wholesalers.

Frequently Asked Questions (FAQ)

Q1: What size controller is recommended for the 48v 60v 800w hub motor?

A: We strongly recommend pairing the HM-8-B with a high-quality brushless DC controller rated for at least 25A to 30A current output. A 9-tube or 12-tube sine-wave controller will extract the smoothest acceleration curve and maximum torque from the 40H magnets.

Q2: What is the benefit of the 135mm open size compared to the standard 110mm axle?

A: The 135mm dropout width allows for a much wider stator/magnet core (40mm vs 30mm) and a vastly wider 90mm fat tire. It provides the structural space required to generate high mechanical torque and ensures the rear axle can withstand rugged off-road impacts.

Q3: Can the wide fat tire be replaced with a pneumatic (air-filled) tire later?

A: No, the rim of the HM-8-B is precision-machined specifically for our heavy-duty, flat-free 200×90 solid fat tire compound. This integrated design ensures zero tire slip on the rim under high-torque starts and eliminates all roadside tire deflation issues.

Q4: Do you offer bulk wholesale customization for wiring and plugs?

A: Yes, we can configure the motor with custom phase and hall sensor wire lengths, waterproof quick-release multi-pin plugs (such as matching Julet or customized terminal blocks), and custom wire sleeve shielding to match your factory wiring loom perfectly.

Q5: What certifications are available for international customs clearance?

A: All Huameng hub motors are produced in compliance with international standards and carry CE and RoHS certifications. Test reports regarding material composition and structural safety can be provided to contract buyers for custom clearance evaluation.

Q6: What is the turnaround time for a custom sample order?

A: For standard configurations of the HM-8-B, samples can be prepared quickly. If your project demands specialized winding adjustments or custom axle machining, the prototyping lead time typically takes 7 to 15 days depending on component availability.

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