Product Overview
The Tomahawk Power TDP400 is a 1/2 HP electric submersible trash pump designed for fast water removal in basements, crawlspaces, construction sites, trenches, sumps, pits, pools, irrigation areas, and emergency flood cleanup applications. With a 400W motor, 66 GPM maximum flow rate, 2 inch discharge, vortex impeller, double mechanical seal, thermal overload protection, and automatic float switch, this compact dewatering pump is built to handle dirty water, sand, mud, and small debris. Its lightweight 25 lb design makes it easy to deploy in tight spaces where larger pumps may be difficult to use.
Key Features:
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1/2 HP Electric Motor: 0.4 kW / 400W motor provides strong submersible pumping performance for water removal and dewatering tasks.
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66 GPM Max Flow: Moves up to 66 gallons per minute, or 3965 gallons per hour, for fast drainage and cleanup.
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2 Inch Discharge: 2 inch / 50mm discharge outlet supports high-volume water movement with compatible discharge hose.
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Submersible Trash Pump Design: Built for submerged operation in dirty water applications where small debris, sand, or mud may be present.
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Vortex Impeller: Durable vortex impeller helps resist clogging and wear when pumping debris-filled or sandy water.
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0.275 Inch Solids Capacity: Handles small solids up to 0.275 inches, or 7mm, in diameter.
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49.2 Ft Max Head: Supports lifting water up to 49.2 feet under proper setup conditions.
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Automatic Float Switch: Included float switch starts and stops the pump automatically based on water level.
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Double Mechanical Seal: Dual-seal design helps prevent water intrusion and extend pump service life in tough environments.
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Thermal Overload Protection: Automatically shuts down the motor during overheating or voltage spikes to help protect internal components.
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Jobsite-Tough Housing: Corrosion-resistant aluminum housing and impact-resistant casing support demanding daily use.
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Compact & Portable: 25 lb pump body is easy to place in trenches, vaults, crawlspaces, basements, pits, and other tight areas.
Technical Specifications:
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Model: TDP400
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Product Type: Electric Submersible Trash Pump
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Brand: Tomahawk Power
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Motor Output: 0.4 kW / 1/2 HP
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Power: 400W
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Voltage: 120V / 60Hz
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Maximum Head: 49.2 ft / 15 m
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Maximum Flow Rate: 66 GPM / 3965 GPH
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Discharge Size: 2"" / 50mm
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Solids Capacity: 0.275"" / 7mm
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Pump Type: Submersible, vortex impeller
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Float Switch: Automatic float switch included
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Seal Type: Double mechanical seal
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Protection: Thermal overload protection
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Housing: Corrosion-resistant aluminum housing with impact-resistant casing
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Operating Water Temperature: 32°F to 104°F / 0°C to 40°C
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Weight: 25 lb / 11.3 kg
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Dimensions: 9"" x 7"" x 13.5"" / 22.9 x 17.8 x 34.3 cm
Package Includes:
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TDP400 Submersible Water Pump: 1/2 HP electric submersible trash pump.
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Automatic Float Switch: Included ON/OFF float switch for water-level-based operation.
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Discharge Hose: Not listed as included; use a compatible 2 inch discharge hose.
Applications:
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Construction Site Dewatering: Removes standing water from trenches, foundations, excavation areas, slab pours, equipment pads, and active work zones.
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Basement & Crawlspace Flooding: Helps drain flooded basements, cellars, crawlspaces, and low-lying areas after storms, plumbing failures, or snow melt.
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Stormwater & Emergency Flood Response: Quickly deploys for flash flooding, burst pipe cleanup, street drainage, parking lot water removal, and structure dewatering.
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Sewer & Utility Vaults: Compact body fits tight access points such as manholes, lift stations, utility boxes, sumps, and vaults.
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Agriculture & Irrigation Control: Helps manage irrigation channels, remove standing water from fields, or drain livestock tanks, ponds, nurseries, vineyards, and greenhouses.
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Fountains, Pools & Water Features: Drains pool covers, fountains, ponds, water features, and tanks during cleaning, maintenance, or seasonal shutdown.
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Industrial Cleaning & Washdown: Clears wastewater after facility cleaning, equipment rinsing, wet material processing, and warehouse cleanup.
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Mining, Quarries & Excavation Work: Helps remove accumulated rainwater or slurry-style water from pits, ditches, and active excavation areas where small solids may be present.
Operation & Use Notes:
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Use with GFCI Protection: Always operate an electric submersible pump from a properly grounded GFCI-protected outlet or circuit.
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Submerge Before Running: The pump must be properly submerged before operation. Do not run the pump dry.
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Use Compatible Hose: Use a compatible 2 inch discharge hose with proper fittings and clamps.
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Float Switch Clearance: Make sure the automatic float switch can move freely and is not blocked by walls, debris, hoses, or the pump body.
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Solids Limit: Do not exceed the listed 0.275 inch / 7mm solids capacity.
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Water Type: Suitable for dirty water, sand, mud, and small debris within pump limits. Do not use for flammable liquids, fuel, corrosive chemicals, sewage, heavy sludge, or liquids outside the listed temperature range.
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Electrical Safety: Keep plugs and connections dry and elevated. Do not handle the plug, cord, or pump with wet hands or while standing in water.
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Do Not Lift by Cord: Lift and position the pump using the pump body or approved handle, not the power cord or float switch cable.
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Thermal Protection: If thermal overload protection shuts the pump off, disconnect power and allow the pump to cool before inspection or restart.
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After Use: Flush, drain, and clean the pump after dirty water use, especially before storage or freezing conditions.
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California Proposition 65: This product carries a California Proposition 65 warning.
Frequently Asked Questions
Q. What is the Tomahawk TDP400 used for?
The TDP400 is used for electric submersible dewatering in basements, crawlspaces, construction sites, trenches, utility vaults, pools, ponds, irrigation areas, and emergency flood cleanup applications.
Q. How much water can the TDP400 pump?
Tomahawk lists the TDP400 with a maximum flow rate of 66 GPM, or 3965 GPH.
Q. What voltage does the TDP400 use?
The TDP400 uses 120V / 60Hz power.
Q. What is the maximum head?
Tomahawk lists the maximum head at 49.2 feet, or 15 meters.
Q. Can the TDP400 handle solids?
Yes. Tomahawk lists a solids capacity of 0.275 inches, or 7mm. Do not exceed that solids limit.
Q. Does the TDP400 include a float switch?
Yes. The package includes an automatic float switch for water-level-based ON/OFF operation..
Q. Can I use this pump for gasoline or chemicals?
No. Do not use this pump for gasoline, fuel, flammable liquids, corrosive chemicals, sewage, or heavy sludge. Use it only within the pump’s listed water and solids limits.
Why We Like It:
The Tomahawk Power TDP400 is a compact and practical electric dewatering pump for fast water removal without a gas engine. The 1/2 HP motor, 66 GPM flow rate, 2 inch discharge, vortex impeller, double mechanical seal, automatic float switch, thermal overload protection, 25 lb weight, and compact submersible design make it a strong fit for contractors, homeowners, plumbers, restoration crews, municipalities, and maintenance teams dealing with flooded spaces or jobsite water.
