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DM400 Series Dump Pumps For Light & Medium Duty Dump Trucks, Up To 2500 PSI, Up To 2400 RPM

Description & Features

Features	Rugged cast iron, roller bearing pump construction. High strength alloy steel gear and shaft set. Pressure balanced wear plates maintain high pump efficiency throughout all operating ranges. 100% factory tested. 1-1/4 NPT inlet port, 3/4 NPT pressure port, 3/4 NPT return port (for 3rd line). Built in direct acting relief valve set at factory provides protection to both the pump and to the cylinder. Manual Shift standard. Built-in load check. Neutral Lockout device preventing accidental lowering of the dump body.
Maximum System Temperature	Under normal conditions of continuous operation, not to exceed 150°F. Never to exceed 185°F.
Note	Ratings based on using anti wear hydraulic fluid. For information on use with other fluids, contact us for assistance.
Pressure Rating	2500 PSI.
Rated Speed	2400 RPM.
Recommended Filtration	25 micron return filter with B10 rating of at least 2.2.

Products

Model Number	Mount	Displacement	Rated Flow	Circuit Type	Remote Mount Valve Location	Direct Mount Rotation	Relief Setting	Features	Speed Rating	Pressure Rating	Price	Action
DMR40020ZL200 DM400 Series Dump Pump	Remote	4	21.5	3-Line	Left Side	--	2000	Replaces Commercial G101-2-20	2400 RPM	2500
DMD-400-20-ZL-20 DM400 Series Dump Pump	Direct	4	21.5	3-Line	--	CCW	2000	Replaces Commercial G102-2-20L	2400 RPM	2500

Product Questions & Answers (1)

Question by: Dustin G on Jan 2, 2026, 11:22 AM

Will this pump work with any standard hydraulic fluid, or do I need something special?

Answer by: Customer Support on Jan 4, 2026, 9:03 AM

Ratings are based on using anti-wear hydraulic fluid. If you're planning on using something else, it's best to get in touch with us so we can make sure it'll work right for you.