40 Series Gear Motor, 0.50 cu in/rev, 2-Bolt SAE A Mounting Flange, 5/8 St.Keyed x 1.25 Long Shaft, SAE-12 Side Ports, Bi-Rotational

Description & Features

CROSS MANUFACTURING 40 Series Gear Motor 40MH05DACSC offers remarkable efficiency and performance for demanding applications in the gear motor category. This gear motor features a 0.50 cubic inches per revolution displacement and operates bi-rotationally with internal check valves.

The 2-Bolt SAE A mounting flange ensures secure attachment, while the 5/8 in. St.Keyed x 1.25 in. long shaft facilitates compatibility with various systems. Designed for high-performance requirements, this gear motor can withstand inlet pressures up to 3000 PSI and offers a maximum speed rating of 3000 RPM.

Enhanced by sintered metal gears and hardened steel shafts, its die-cast aluminum alloy body and end covers ensure durability and longevity. The pressure-balanced loading plates and Teflonreg; impregnated sleeve bearings contribute to a quieter operation and high volumetric efficiency.

SAE-12 side ports provide reliable fluid connectivity, making it ideal for industrial settings requiring dependable performance. The gear motor's Buna-N seals help maintain optimal functionality under rigorous conditions.

MPN: 40MH05DACSC

Supplier Part Number: 40MH05DACSC

Specifications

Dimensions
5.5 in L x 5.133 in W x 4.92 in H
Grp Note
Ratings Based on Using Anti Wear Hydraulic Fluid
Grp Pressure Limit
Inlet: 3000 psi Rated Working Pressure, 3500 psi Maximum Shock Pressure. Outlet: Pressures over 250 psi Require a Case Drain Line be Installed
Housing Material
Aluminum
Model
40M005
Mounting Type
SAE A 2-Bolt Flange
Port Location
Side
Port Type
SAE-12 Side
Rotation Direction
Reversible
Seal Material
Nitrile
Series
40 Series
Shaft
5/8 in Straight Keyed x 1-1/4 in Long
Shaft Size
5/8 in Dia
Shaft Type
Keyed

Product Questions & Answers (3)

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Question by: Rhonda P on Dec 12, 2025, 2:09 PM
got a bi-rotational setup, how’s this motor handle case pressure without building up?
Answer by: Customer Support on Dec 14, 2025, 6:53 AM
On the bi-rotational versions, internal check valves route case pressure back over to the low pressure side, so it is set up to drain case pressure that way during operation.
Question by: Sheila T on Mar 13, 2026, 4:38 PM
got a setup that needs SAE-12 side ports and a 2-bolt SAE A mount. is that what this motor comes with?
Answer by: Customer Support on Mar 15, 2026, 6:56 AM
It’s set up with SAE-12 side ports and a 2-Bolt SAE A mounting flange, plus a 5/8 in straight keyed shaft that’s 1.25 in long.
Question by: Janice M on Nov 25, 2025, 1:07 PM
Will this motor work okay with standard hydraulic fluid?
Answer by: Customer Support on Nov 27, 2025, 6:52 AM
Ratings are indeed based on using anti-wear hydraulic fluid, so you should be good to go.

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