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D65L76 Water-Cooling 6500W 300kv Brushless Outrunner DC Motor

Designed for high-performance electric drive systems requiring exceptional power-to-weight ratio and sustained output, the D65L76-WC-300KV motor features an advanced 24N20P magnet structure within a compact 65mm diameter CNC-machined aluminum heatsink housing. Capable of delivering up to 8.7 N·m of torque and 6.7 kW maximum power, with speeds reaching 15,624 RPM, this water-cooled outrunner motor is ideal for high-speed applications in electric skateboards, multi-rotor UAVs, personal e-mobility solutions, and specialized industrial drives. Its integrated water-cooling jacket enables continuous high-power operation by efficiently managing thermal loads, combining extreme power density, reliability, and a compact design for the most demanding mobility and robotic applications.

Peak Power: 6.7 kW
Peak Torque: 8.7 N·m
Max Speed: 15,624 RPM
Cooling Method: Integrated Water-Cooling
Weight: 0.866 kg

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System Types:
All
Kv:
>200
Controller Type:
Sensorless
Maximum Voltage:
60V
Maximum Continuous Current:
< 120A

Brushless DC Motor Outrunner Motor Water-Cooled Motor RC Motor

Features

Specification

Dyno Tested Data

Dimension

Key Features

Integrated Water-Cooling (WC): CNC aluminum housing with water-cooling channels for superior heat dissipation during continuous high-load operation.

Exceptional Power Density: Delivers up to 6700W of power in a lightweight 866g package.

High-Speed Outrunner Design: 300Kv rating enables high RPM operation, suitable for direct-drive or geared applications.

Robust Construction: 24-slot stator with 20-pole rotor (24N20P) and high-grade magnets for smooth, powerful torque delivery.

Wide Operating Voltage: Compatible with 6S-12S (20V-50.4V) LiPo battery systems.

Verified Performance: Comprehensive auto-dyno testing provides complete efficiency, torque, and speed data across the operating range.

Parameter	Value
Model	D65L76-300KV
Winding Turn & Connection	8T-D
LiPo/Voltage Range	6-12S (20-50.4V)
Max Spin Speed (RPM)	15,624
Speed Constant kV (RPM/V)	300
Torque Constant Kt (N•M/A)	0.03452
No Load Current @ 8.4V (A)	2.2
Maximum Output Power (W)	6,700
Peak Current (A)	255
Efficiency	91.00%
Max Torque @ 60% Eff. (N•M)	8.7
Weight (g)	866
Construction	24N/20P
Max Working Temperature	120ºC
Dimension	D65*L76 mm
Shaft Extension	φ8*L36
Lead Wires Extension	200mm
Insulation Voltage & Leak Current	AC500V/10MA/3S
Plug	8.0mm plug
Life Span (hrs)	10,000

D65L76 at 300Kv -30Vdc
Item No.	C_Voltage (V)	C_Current (A)	C_Input Power (W)	M_Voltage (V)	M_Current (A)	M_Input Power (W)	M_Efficiency (%)	M_Speed (rpm)	M_Torque (N*m)	M_Output Power (W)
0	29.370001	72.730003	2135.840088	21.35	62.75	2100.629883	81.414368	7943	2.056004	1710.214478
1	29.24	86.940002	2542.52002	21.139999	75.800003	2488.040039	81.57016	7666	2.528004	2029.498169
2	29.120001	102.239998	2977.26001	20.92	90.239998	2898.540039	81.182732	7372	3.048004	2353.114014
3	29	117.139999	3396.100098	20.700001	104.400002	3285.320068	80.18512	7082	3.552004	2634.337891
4	28.82	133.059998	3835.110107	20.440001	119.199997	3675.449951	78.893036	6760	4.096004	2899.674072
5	28.65	149.679993	4288.149902	20.200001	134.830002	4067.399902	77.008789	6435	4.648004	3132.255371
6	28.540001	162.360001	4633.259766	20.02	146.600006	4348.700195	75.074699	6166	5.056004	3264.773438
7	28.34	180.759995	5122.720215	19.74	162.570007	4707.399902	72.509209	5779	5.640004	3413.29834
8	28.18	196.529999	5537.75	19.51	177.320007	5035.540039	68.778046	5418	6.104004	3463.346191