Skip to content
TOUGH JOBS DONE RIGHT: Serious Tools Up to 50% Off. Shop the Deals >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N

Item# 40874
"Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N"
Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N

Click or Tap image to Zoom

$454.99

  • Shipping: 

    Free shipping (lower 48 states) - Available now

  • Store Pickup: 

  • High gear tooth count provides low pressure ripple for quiet, stable operation
  • Offers the highest corner displacement available per its frame size
  • Easy 2-bolt SAE A mounting
  • 3/4in. dia. x 1in.L keyed shaft extension is included
  • All aluminum continuous cast housing provides exceptional durability

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

The Concentric Hydraulic Birotational Gear Motor is a pressure-balanced low torque motor that runs in either direction (CW or CCW). Delivers high performance throughout the entire speed and pressure range. 3,200 max. continuous PSI. Note: SAE #4 drain port (located on back of pump) MUST be used in Bi-Directional Applications. Failure to do so will damage the motor.

What's Included

    (1) Hydraulic birotational gear motor

Features + Benefits

  • High gear tooth count provides low pressure ripple for quiet, stable operation
  • Offers the highest corner displacement available per its frame size
  • Easy 2-bolt SAE A mounting
  • 3/4in. dia. x 1in.L keyed shaft extension is included
  • All aluminum continuous cast housing provides exceptional durability

Key Specs

AttributeSpecification

item#

40874

Brand

Concentric

Manufacturer's Warranty

1 year limited warranty

Ship Weight

10.23 LB

Max. PSI

3,200

Max. RPM

2,800

Max. Flow Rate

21.43 GPM

Shaft Diameter

0.75 in

Shaft Type

Keyed
AttributeSpecification

Pump Type

Gear

Stage

Single-Stage

Shaft Length

1.25 in

Material

Aluminum

Rotation

Bi-Directional

Port Inlet Size

1-5/16 in

Port Outlet Size

1-5/16 in

Thread Type

SAE

Reviews

Questions & Answers

1 Review This action will navigate to reviews.

Questions

1–2 of 2 Questions  
Sort by:

  1. Is a seal kit avaiable

    1 answer

    1. Parts for this pump may be obtained through the manufacturer directly.

      Helpful?

  2. Is this motor internal drain?

    1 answer

    1. This hydraulic birotational gear motor has an internal drain located on the back of the pump.

      Helpful?

Warranty

Manufacturer's Warranty

1 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N
5.0 out of 5 stars. 1 review

Concentric Hydraulic Birotational Gear Motor, 3,200 PSI, 2,800 Max. RPMs, Model# WM09A1C230B-03BA109N

Item # 40874

$454.99