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    • Comet ZWD-K 3535G Triplex Pump with Unloader & Injector, 3500 PSI, 3.4 GPM, 1" Shaft Gas Engines (31004-00087)

    Comet ZWD-K 3535G Triplex Pump with Unloader & Injector, 3500 PSI, 3.4 GPM, 1" Shaft Gas Engines (31004-00087)

    Vendor: Comet Pump Type: Plunger Pump
    Regular Price $492.46
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    The Comet ZWD-K 3535G (part 31004-00087) is an industrial duty triplex plunger pump with a built-in adjustable unloader and chemical injector. It mounts to 9 to 13 HP gasoline engines with a 1" shaft and delivers 3.4 GPM at up to 3,500 PSI.

    Key Features

    • Built-In adjustable unloader with chemical injector
    • 1/2” FPT Inlet – 3/8” Outlet
    • 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
    • Replaces Comet # 6305.1750.00

    Specifications

    Brand Comet Pump
    Manufacturer Part Number 31004-00087
    Max. Volume 3.4 GPM
    Max. Discharge Pressure 3,500 PSI
    Max. Pump Speed 3,400 RPM
    Shaft Diameter 1” Hollow
    Max. Horsepower Requirements 10.82 GHP
    Inlet Port 1/2″ FPT
    Outlet Port 3/8″ Male NPT
    Oil capacity 14 oz
    Weight 19.5 lb.

    Frequently Asked Questions

    What does it replace?

    Comet 6305.1750.00.

    What horsepower is required?

    10.82 GHP.

    What are the ports?

    1/2" FPT inlet and 3/8" male NPT outlet.

    Can it be mounted left or right hand?

    Yes, it has a reversible crankshaft.

    Oil capacity?

    14 oz.

    Product Specifications
    Specification Name Specification Value
    Color pattern Black
    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

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