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D107L165 Waterproof 35kv 30kw Electric DC Motor

Engineered for demanding low-RPM, high-torque direct-drive applications, the D107L165-WP-35KV motor is a powerhouse solution for heavy-duty marine propulsion. Operating on an ultra-wide 20-52S voltage range (72-220V DC), its extremely low KV design is optimized to deliver massive torque up to 60 N·m and power up to 30 kW at lower rotational speeds, making it ideal for gearless drives in electric boat engines, large outboard conversions, and high-thrust underwater systems. The fully potted IP68 construction ensures absolute reliability for permanent submersion, providing robust power for the most challenging marine environments.

• Peak Power: 30.0 kW • Peak Torque: 60.0 N·m • Max Speed: 2,500 RPM
• Protection Rating: IP68 • Weight: 6.5 kg

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Availability:





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System Types:
All
Kv:
<100
Controller Type:
Sensored
Maximum Voltage:
60V
Maximum Continuous Current:
< 120A

High Torque Motor Outboard Motor Electric DC Motor Marine Motor Waterproof Motor

Features

Specification

Dyno Tested Data

Dimension

Key Features

Ultra-Low KV, High-Voltage Operation: 35 KV rating for exceptional low-speed torque, compatible with 72-220V systems for high efficiency and lower current.
Massive Torque for Direct Drive: Eliminates the need for gearboxes in heavy propulsion applications, providing up to 60 N·m of peak torque.
Robust & Fully Submersible: IP68-rated, potted design guarantees long-term operation in permanent underwater applications.
Advanced Thermal Management: Combined water and air cooling sustains performance under continuous high-load conditions.
High Customization: Available with hall sensors, encoders, or sensorless operation, plus multiple shaft and winding options.

Applications:

Suitable for

low rpm high torque gearless us

e, working with compatible propeller, working voltage from 48V to 160V

1. Boat engine

2. Electric Outboard conversion

3. Underwater thruster

4. Others

Item	Specification
Model	D107L165-35Kv
Working Voltage Range	20-52S (72-220V)
Max. Free Speed	Not specified in provided data
Speed Constant (Kv)	35
Torque Constant (Kt)	Not specified in provided data
No Load Current	Not specified in provided data
Max. Output Power	30 kW
Peak Torque	60 N·m
Peak Current	Not specified in provided data
Continuous Current	Not specified in provided data
Max. Motor Efficiency	>88%
Weight	6.5 kg
Configuration	12 Slots/10 Poles
Cooling Solution	Water Cooling + Air Cooling
Dimension (Dia. x Length)	D107 x L165 mm
Max. Working Temperature	Not specified in provided data
Insulation Voltage & Leak Current	Not specified in provided data
Shaft Output	D15 x L30 mm (Keyway/Splined/Threaded/Stepped/Tapped)
Lead Wires Extension	Not specified in provided data
Connector	Not specified in provided data
Life Span	8,000 H

D107L165 at 35Kv
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	72.379997	16.440001	1178.199951	53.259998	13.35	1142.640015	90.000435	2500	3.928004	1028.380981
1	72.330002	27.43	1947.189941	53.16	22.68	1907.280029	92.838242	2421	6.984004	1770.685303
2	72.279999	38.52	2693.709961	53.139999	32.080002	2640.389893	93.235573	2347	10.016005	2461.782715
3	72.239998	49.68	3409.659912	53.189999	41.439999	3346.429932	92.795982	2281	13.000005	3105.352539
4	72.199997	61.52	4131.629883	53.259998	51.119999	4053.52002	91.954201	2219	16.040005	3727.38208
5	72.160004	73.849998	4843.870117	53.34	60.919998	4752.109863	90.859413	2160	19.088005	4317.739258
6	72.120003	86.699997	5560.919922	53.43	71	5446.080078	89.557732	2104	22.136005	4877.385742
7	72.089996	99.269997	6253.899902	53.490002	80.790001	6107.339844	88.202995	2051	25.080006	5386.856445

Features

Specification

Dyno Tested Data

Dimension

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