Dyna-Jack M-3551 DC Power Unit

Bucher / Monarch M-3551-270-8111-17757-14166-2000

Availability: Out of stock


Quick Overview

Dyna-Jack 12 Volt DC Electric Hydraulic Pump Unit - D/A

Dyna-Jack M-3551 DC Power Unit

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Dyna-Jack Double-Acting Hydraulic DC Power Unit

*Remote Sold Separately

Monarch DC Hydraulic Units (now owned by Bucher Hydraulics) have been the industry standard & most well-known in compact hydraulic power packs for years. The M-3551 unit is used in thousands of dump trailers & countless other applications around the world.


- Pump / Motor / Reservoir / Valve
- .057 In3/rev Pump Displacement
- Check Valve
- Externally Adjustable Relief Valve
- (1) 4-Way/2-Position Directional & (1) 2-Way/2-Position Holding Cartridge Valves
- #6 SAE Ports

- Hardcoated pump end plates for unmatched durability in demanding environments and severe duty applications
- 100% factory tested
- ISO9001 Certified
- High Efficiency
- Limited 1 Year Warranty on Pump & Motor
- Made in USA

Documents & Downloads

Dyna-Jack M-3551 Specs & Dimensions (pdf)

Dyna-Jack 12V DC Motor Data (pdf)
Dyna-Jack Optional Reservoirs Data (pdf)
Dyna-Jack Parts & Accessories (pdf)
Battery Cable Guide (pdf)

Monarch Dyna-Jack Full Power Unit Catalog (pdf)

Product Specifications

Motor PhaseDC
Action TypeDouble (Power Up/Power Down)
Voltage12 VDC
Tank Capacity1.1 Gallon
Tank MaterialPoly
Mounting StyleHorizontal
Relief Setting2000 PSI
Pressure ReliefAdjustable
Port Size#6
Port TypeSAE
Max GPM1.5 GPM


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