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    • Comet ZWD 4040G Industrial Pump, Fully Plumbed with EZ Start Unloader, Injector & Thermal Valve, 4000 PSI, 4.0 GPM, 1" Shaft
    • Comet ZWD 4040G Industrial Pump, Fully Plumbed with EZ Start Unloader, Injector & Thermal Valve, 4000 PSI, 4.0 GPM, 1" Shaft, image 2

    Comet ZWD 4040G Industrial Pump, Fully Plumbed with EZ Start Unloader, Injector & Thermal Valve, 4000 PSI, 4.0 GPM, 1" Shaft

    Vendor: Comet Pump Type: Plunger Pump
    Regular Price $567.70
    Shipping calculated at checkout.

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    The Comet ZWD 4040G is an industrial duty triplex plunger pump that comes fully plumbed for 9 to 13 HP gasoline engines with a 1" shaft. It delivers 4.0 GPM at up to 4,000 PSI and includes a VRT3-310 adjustable easy start unloader, chemical injector with hose and filter, clear bowl inlet filter, thermal relief valve, 3/8" brass QC socket and mounting bolts.

    Key Features

    • Reversible Crankshaft for Easy Right or Left Hand Mounting
    • Increased Fin Depth Increases Surface Area to Maximize Heat Dissipation
    • Stainless Steel Unitized Check Valves
    • Heat-Resistant Solid Ceramic Plungers Operating on Lubricated Packings
    • Direct Drive Gas Engine Mounting Flange (SAE J609B)
    • Reinforced Crankcase for Increased Load Capacity
    • Enlarged Crankcase Increases Oil Capacity for Better Lubrication and Lower Operating Temperatures
    • One-Piece Industrial-Grade Oversized Bronze Connecting Rods

    What's Included

    • VRT3-310 Adjustable easy start pressure unloader
    • Clear bowl water Inlet Filter 3/4 FGH
    • Adjustable chemical injector with hose & filter
    • Thermal relief valve protects pump from overheating
    • 3/8” Brass QC socket
    • Mounting bolts
    • Replaces Comet # 6305.0914.00

    Specifications

    Brand Comet Pump
    Manufacturer Part Number ZWD4040G
    Max. Volume 4.0 GPM
    Max. Discharge Pressure 4,000 PSI
    Max. Pump Speed 3,400 RPM
    Shaft Diameter 1” Hollow
    Max. Horsepower Requirements 14.5 GHP
    Inlet Port 1/2″ FPT
    Outlet Port 3/8″ FPT
    Oil capacity 14 oz
    Weight 23 lb

    Note: Pumps are not tested prior to shipping and unloader will need to be adjusted

    Frequently Asked Questions

    What is included?

    The ZWD 4040G pump, VRT3-310 easy start unloader, clear bowl 3/4" FGH inlet filter, adjustable chemical injector with hose and filter, thermal relief valve, 3/8" brass QC socket and mounting bolts.

    Does the unloader need adjusting?

    Yes. Pumps are not tested before shipping, so the unloader needs to be adjusted at installation.

    What does it replace?

    Comet 6305.0914.00.

    What horsepower is required?

    14.5 GHP.

    Can it mount right or left hand?

    Yes, it has a reversible crankshaft for right or left hand mounting.

    Product Specifications
    Specification Name Specification Value
    Color pattern Gold
    Service & Support

    Warranty

    This product is backed by a 12-month limited warranty, covering defects in materials and workmanship under normal use.

    Technical Assistance

    Our dedicated support team is available to assist with product setup, operation guidance, and troubleshooting. Contact us via email or phone for prompt service.

    Documentation & Downloads

    Access essential resources including the user manual, technical specifications, and safety instructions in our online support center.

    Replacement Parts & Accessories

    We offer a full range of genuine replacement parts, including batteries, chargers, and compatible accessories to ensure long-term performance.

    Training & Tutorials

    Browse our library of how-to videos and maintenance tips to get the most out of your cordless drill.

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