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DC8451

DC8451

Heavy Duty Clutch System for Extreme Off-Road Performance

Brushless EWP180 - Remote EWP (24V)

Xtreme Outback Clutch Technical Specifications & Features

Operating voltage
18V to 32V DC
Rated current
17 A (Max 20 A)
Open Flow rate
180 l/min | 47.6 gal/min
Rated Flowrate @ 1.5 bar (15m) Head
93 l/min | 24.6 gal/min
Fluid temp.
-40°C – 120°C | -40°F – 248°F
IP Rating
IP68
Pump material
Aluminium (ADC12), Stainless Steel, Nitrile, Steel, silicon Carbide, PPS
Burst pressure
500 kPa | 72.52 psi
Self Priming
NOT self-priming Centrifugal pump
FittingType
Push on barb with 16AN ORB fitting
Inlet & Outlet Size
38 mm (1 ½ in) (with 3mm Sleeve (#8510) 44mm) & (with 6mm Sleeve (#8511) 51mm)
Weight
2.5 kg

Buy Heavy Duty Clutch - Pricing & Availability Information

Pricing
705.62 €EUR
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Heavy Duty Clutch Product Overview & Performance Details

Brushless EWP®180 KIT - Remote Electric Water Pump (24V)
Part DC8451

The Davies Craig EWP®180 (24 Volt) is our highest-flowing Electric Water Pump, engineered for extreme cooling performance in commercial, heavy-duty, marine, and industrial applications operating on 24V electrical systems. Designed for universal engine fitment, it satisfies the most demanding setups that generate massive amounts of heat.

By removing the parasitic power losses of traditional belt-driven mechanical pumps, the EWP®180 releases significant extra power and torque. While it delivers an impressive 180 L/min open flow, its true capability is maintaining strong, usable circulation under massive restriction: an incredible 93 L/min @ 1.5 Bar (15m Head). This ensures your cooling system works flawlessly when fighting through restrictive radiators and long plumbing runs.

Advanced Brushless Motor Technology

The EWP®180 utilizes state-of-the-art brushless motor engineering combined with a digital control system to maximize efficiency and reliability under extreme loads:

  • Zero Brush Wear: Eliminating carbon brushes removes mechanical friction, drastically extending the operational lifespan and reliability of the internal motor.
  • Magnetic Drive Design: Features a fully coupled magnetic impeller, which isolates the motor from the fluid chamber and completely eliminates traditional mechanical shaft seals that are prone to leaking.
  • PWM Speed Control: Fully compatible with advanced Pulse Width Modulation. This allows an aftermarket ECU or a dedicated controller to seamlessly vary the pump's speed based on real-time engine demands, saving energy and minimizing current draw.
  • IP68 Environmental Protection: The entire electronics unit and motor assembly are fully sealed against dust ingress and continuous water immersion, making it ideal for harsh commercial environments and marine use.
Kit contents (Part DC8451)
Part description Units
Brushless EWP®180 (Alloy) 24V 1
Brushless EWP® Wiring Harness (300mm) 1
Brushless EWP® Mounting Bracket 1
T-Bolt Clamp 1
Vibration Damper M6 2
Technical specifications
Voltage 24 Volt Brushless
Operating voltage 18V to 32V DC
Rated current 17 A (Max 20 A)
Open Flow rate (max) 180 L/min (47.6 US gal/min)
Rated Flowrate @ 1.5 bar (15m) 93 L/min (24.6 US gal/min)
Operating temp. -40°C to 120°C (-40°F to 248°F)
IP Rating IP68 (Fully sealed against dust & water)
Pump weight 2,013 grams (4.4 lb)
Pump material Aluminium (ADC12), Stainless Steel, Nitrile, Steel, Silicon Carbide, PPS
Burst pressure 500 kPa (72.52 psi)
Fitting Type & Size 38mm (1½”) / Push-on barb with 16AN ORB fitting
Installation demonstration & controller overview

EWP & Controller Installation Demonstration

Combined with a dedicated PWM Brushless EWP® Controller (or integrated with an aftermarket ECU), you can manage the operation of the EWP® precisely. The advanced PWM flow control allows the pump speed to be varied seamlessly in response to the engine’s cooling demands, offering unparalleled thermal stability.

Key benefits

The world’s most advanced total engine cooling management system:

 longer service life
 stable flow under pressure
 PWM control compatible
 IP68 fully sealed
 reduced internal friction
 world-leading technology
EWP® installation options
Installing an EWP® as an AUXILIARY PUMP
  • Leaving the mechanical water pump in place, install the EWP® into the bottom radiator hose.
  • Remove the thermostat and drill two approx. 3mm (1/8") holes in the thermostat plate to allow some coolant circulation when the thermostat is closed. Re-install ensuring that the thermostat housing is clean and a new gasket is used if required.
EWP® installation – disabling Mechanical water pump
  • Leaving the mechanical water pump in place, install the EWP® into the bottom radiator hose and remove the manufacturer’s thermostat.
  • You will need to bypass the water pump pulley by installing an appropriate length belt (not supplied). This method makes for an easy installation.
  • If running the pump continuously remove the thermostat and drill two approx. 3mm (1/8") holes in the thermostat plate to allow some coolant circulation.

In both these cases, the EWP® will pump past the impeller of the mechanical water pump.

Disengaged mechanical water pump (recommended)
  • Remove the mechanical water pump and remove the thermostat.
  • Then remove the impeller from the mechanical pump shaft. Retain the mechanical water pump using the pump pulley as an idler to avoid re-routing the drive belt.
  • Block any bypass passages and re-install the disengaged water pump.
Removed mechanical water pump (Ideal)
  • Remove the mechanical water pump and thermostat from the engine.
  • Install a Davies Craig EWP® Header Adaptor or blanking plate (not supplied).
  • Install the EWP® into the bottom radiator hose. This method will require you to modify or replace the standard radiator hose.
PRODUCT SELECTION GUIDE
EWP® PRODUCT SELECTION GUIDE
APPLICATION PUMP
MODEL		 PUMP ONLY PUMP KIT PUMP COMBO
12V 24V 12V 24V 12V 24V
Engines up to 2.0L
(Standard)		 EWP®80 DC8106 Flange
DC8109 Barb		 N/A DC8006 Flange
DC8009 Barb		 N/A DC8908 Flange
DC8919 Barb		 N/A
Engines up to 2.0L - 3.5L
(Standard)		 EWP®115 DC8125 Nylon
DC8140 Alloy		 DC8126 Nylon
DC8141 Alloy		 DC8025 Nylon
DC8040 Alloy		 N/A DC8930 Nylon
DC8950 Alloy		 N/A
Engines up to 3.5L - 5.0L
(Standard)		 EWP®140 DC8180 Alloy DC8181 Alloy DC8080 Alloy N/A DC8990 Alloy N/A
Engines 5.0L or greater
(Standard)

Modified Engines
Supercharged/Turbo,
Drag Racing, 4WD,
Off Road, Drifting & Speedway		 EWP®150 DC8160 Silver
DC8165 Black		 DC8161 Silver DC8060 Silver
DC8065 Black		 DC8061 Silver DC8970 Silver
DC8975 Black		 DC8971 Silver
Intercooler
(depending on capacity)		 EWP®115 DC8125 Nylon
DC8140 Alloy		 DC8126 Nylon
DC8141 Alloy		 DC8025 Nylon
DC8040 Alloy		 N/A DC8930 Nylon
DC8950 Alloy		 N/A
EWP®140 DC8180 Alloy DC8181 Alloy DC8080 Alloy N/A DC8990 Alloy N/A
EWP®150 DC8160 Silver
DC8165 Black		 DC8161 Silver DC8060 Silver
DC8065 Black		 DC8061 Silver DC8970 Silver
DC8975 Black		 DC8971 Silver
EWP®160 N/A N/A DC8430 N/A N/A N/A
EWP®180 N/A N/A DC8450 DC8451 N/A N/A