TERA PUMP Heavy-Duty Manual Drum Pump TRDRUM40 — 47.2" Hose, 5.5 GPM, 2" Bung Adapter

TERA PUMP TRDRUM40 is a heavy-duty manual drum pump that moves up to 5.5 gallons per minute with a segmented telescopic suction tube and a 2-inch bung adapter.

Built for transferring oils, fuels, solvents and potable water without electricity, the TRDRUM40 combines a lever-operated piston action with a flexible 47.2-inch discharge hose and air-vent control for fast, controlled dispensing. The pump’s three-piece telescopic suction tube fits most 15–55 gallon drums, while the corrugated hose and integrated nozzle holder make routine transfer safe and tidy. Backed by a one-year manufacturer warranty from TERA PUMP, this model is designed for workshops, farms, emergency water dispensing and light industrial tasks.

How quickly will this pump empty a typical drum?

The pump’s manual piston action moves up to 5.5 gallons per minute under normal conditions, which allows a 55-gallon drum to be emptied in roughly ten minutes of continuous pumping. Actual speed depends on liquid viscosity, pumping rhythm and drum headspace. Use the air vent cap to begin or modulate flow.

• Rated flow: up to 5.5 GPM (manual operation)
• Ideal for 15–55 gallon (50–205 L) drums
• Twist vent cap clockwise to create siphon vacuum
• Counterclockwise vent reduces or stops flow for control

Which liquids are safe with the TRDRUM40?

This pump is suitable for a wide range of liquids including light petroleum products, diesel, kerosene, many solvents and potable water (BPA-free). It is also compatible with detergents, antifreeze, thinner gasoline, and certain mild acids and chemical insecticides; avoid aggressive oxidizers and concentrated strong acids or bases unless verified chemically compatible.

• Compatible: light oils, diesel, kerosene, e15/e85 (remove after use), antifreeze
• Household/industrial: soaps, detergents, liquid waxes, deodorants
• Safe for drinking water and emergency potable use (BPA-free parts)
• Avoid: highly corrosive strong acids/oxidizers without compatibility check

What are the key features for fitting and mounting to drums?

The TRDRUM40 uses a three-piece segmented telescopic suction tube about 34.4 inches long that adapts to most 15–55 gallon drums. The suction end outer diameter is 0.75 inches and it includes a built-in 2-inch NPS bung adapter that seals standard 2-inch drum openings. The pump also features a corrugated discharge hose with an integrated nozzle holder for tidier handling.

• Segmented telescopic suction tube: approx. 34.4 inches
• Suction end outer diameter: 0.75 inches
• Built-in 2-inch NPS bung adapter for standard drums
• 47.2-inch flexible, corrugated discharge hose with nozzle holder

How does the pump operate without electricity and where is it best used?

The TRDRUM40 uses a manual lever-action piston — squeeze and pump to transfer liquids quickly without power. This hands-on design makes it reliable in remote locations, field work, or emergency scenarios where electricity isn’t available. It’s compact, simple to maintain, and compatible with automotive shops, farms and industrial equipment.

• Manual lever-action piston — no power required
• Portable for field, shop or emergency use
• Rapidly empties 55-gallon drums with steady pumping
• One-year warranty on manufacturer defects from TERA PUMP

Who is this for: The TERA PUMP TRDRUM40 is aimed at mechanics, farmers, small industrial operators, emergency-preparedness planners and homeowners who need a dependable, portable solution for transferring liquids from drums when electricity is not available. If you need a robust manual pump that fits 15–55 gallon drums, handles a broad array of fluids — including potable water — and offers simple vent control for flow management, this pump is designed for you.