Tool Tuff Log Splitter Build Kit, 11 GPM Pump, 4" Cylinder, Auto-Ret Valve, Mount Coupler

ToolTuff Direct

SKU: 30-019

4" Diameter Cylinder, High Pressure Line, 11 GPM Log Splitter Pump, Mount, Auto-Return Detent Valve and Coupler Kit w/Bolts/Fittings

From Tool Tuff Direct - Your Source for Log Splitter Parts Since 2012!


Build your own log splitter setup with this convenient kit!  Bolt this to your engine, and run some suction/discharge hoses and you're in business!  

Picture shows valve connected to cylinder - it is shipped separate, just screw in the included fittings with some thread tape and you'll be golden! 



11 GPM 2 Stage Hydraulic Log Splitter Pump

This is same pump used by SpeeCo, Champion, Huskee, Oregon, MTD and many others. Use as a replacement or a "build it yourself splitter"

The 2-stage pump can give you faster cycle times and higher possible pressures with a small engine.  Excellent for use on log splitters, 85% efficient.

Recommended 5-7hp engine


  • New Hydraulic Log Splitter Pump 11 GPM @ 3600RPM.
  • Part # CBNA-8.8/2.1
  • Shaft: ½” (key included)
  • Inlet: 1” (we do not carry ¾”)
  • Outlet: ½” NPT
  • Dimensions: 5.5”L  x  3”H  x  4”W
  • Minimum HP: 5,
  • RPM Requirement: 3600 for 11 GPM, pump can be operated with lower RPM's
  • For use with open center hydraulic systems only
  • 1st Stage: 9 GPM@650 PSI
  • 2nd Stage: 2 GPM@2500 PSI
  • Maximum Pressure: 4000 PSI
  • Bolt Circle: 2.83in.
  • 4 Bolt Holes Spaced 2in. on Center
  • Bolt Hole Diameter: .344in.
  • Rotation: Clockwise
  • We are not responsible and will not warranty customer cross threading  hydraulic fittings or stripping out threads into this pump, if you are not familiar with tightening or installing pipe threads into aluminum then you will need to have someone familiar with doing so.



Lovejoy LO75 Coupler 

This kit includes two coupler halves and one rubber spider. The default set is L090 1/2" and 3/4". Please message us if you need a different size. You can choose from L075 3/4" 5/8" 7/8" 

A7 Auto-Return Log Splitter Valve  

(We have other valves available - if the schematic looks different than your valve, message us and we can substitute it)

Valve Specs:

Single spool, Open center.

  • Max pressure rating: 3500psi.
  • Relief valve set at 3100psi but is adjustable.
  • Working ports ½”NPT.
  • In/Out ports ¾” NPT
  • Detent Pressure set at 700 psi but is adjustable.
  • Compatible with most splitters (SpeeCo, MTD, Brave, Swisher etc)
  • Threaded end cap for easy detent adjustment


Mounting bracket holes (4) are 5/16-18 thread pitch and are spaced 1" x 2-5/8" apart

This is the next generation in log splitter valves. The detent is usually what wears out and causes valves to fail. This valve allows user to adjust the kick out pressure to what they need and as detent balls and grooves wear.

Pump to Mount Bolts, Lock Washers, Nuts

  • Includes the required bolts, nuts and lock washers required to mount the pump to the mount.  You'll supply your own engine mounting bolts.  


Log Splitter Valve, Adjustable Detent.


Single spool, Open center.

  • Max pressure rating: 3500psi.
  • Relief valve set at 3000psi but is adjustable.
  • Working ports ½”NPT.
  • In/Out ports ¾” NPT
  • Detent Pressure set at 700 psi but is adjustable.
  • Compatible with most splitters (SpeeCo, MTD, Brave, Swisher etc)
  • Screw off end cap for easily detent pressure adjustability

4" Bore x 24" Stroke Hydraulic Log Splitter Cylinder (OEM Replacement for TSC, Huskee,SplitMaster, Oregon, SpeeCo, Etc)

In addition to being great "build it yourself splitter" parts, our cylinders will replace your original worn-out double acting TSC, Huskee, SplitMaster, Oregon, SpeeCo and many other Log Splitter cylinders that have the double-ear mounting clevis as shown in our pictures without any modifications needed. Most of the time they are direct-fit.  All fit-up dimensions are listed in the picture section of this add.

Quick Specifications:

  • All welded design
  • Direct replacement for TSC Huskee, SplitMaster, Oregon, SpeeCo and many others
  • USA seller
  • Double acting
  • Rebuildable (seals can be replaced)
  • 1-3/4" Chrome rod with 9/16" mounting hole for wedge mounting
  • Double mounting clevis design to accept 1-1/8" pin mounted at the front of the log splitter beam
  • 24" stroke
  • 4" diameter bore
  • 1/2" NPT hydraulic ports
  • 3500 maximum operating pressure
  • Painted black
  • 1-1/8" Clevis mounting holes
  • Ships via UPS ground to the lower 48 states only!!!
  • This cylinder used with any 2 stage gear pump (Common are 11gpm, 13gpm and 16gpm)  will provide approximately 22 tons of splitting force

Pump Mount for hydraulic log splitter, 5-7hp. Speeco, Brave, Northern 

This pump mount is commonly used to mount hydraulic pumps to engines on log splitters.

This is the OEM mount used by Husky, Splitmaster, SpeeCo. and Oregon 20, 21 and 22 ton units...Can also be used on many other brands.

  • Engine Side Holes: 3-9/16" bolt circle (4 hole pattern) OR 2-1/2" center to center hole distance measured horizontal or vertically (square)
  • Pump Side Hole: 2-3/4" bolt circle (8 hole pattern) OR 2" center to center hole distance measured horizontal or vertically
  • Height: 4-1/16"
  • Coupler clearance hole is 1.790"
  • Square engine side clearance hole is 2" x 2"
  • Powder Coated
  • Sand casted part - will have sand casted texture - pump and engine mount surfaces are machined smooth

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