Hydraulic Kits for Excavators
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Hydraulic Kits for Excavators Hydraulic Kits for Excavators Hydraulic Kits for Excavators
KIT SELECTION

HKX offers nine standard hydraulic kits to operate most common attachments. See the Application Chart for application connectivity. For kit selection assistance or for custom kits, please contact HKX. 

Hydraulic Kit Selection
R Rotate/Tilt T Thumb B Breaker S Shear
BT Breaker & Thumb BS Breaker & Shear SR Shear & Rotate BSR Breaker, Shear & Rotate
LHV Load Hold Valve            

R
ROTATE/TILT - Hydraulic Kit 
Applications

    Hydraulic Circuit:  Double acting (two-way oil)
    Line Flow:  Low flow
    Line Pressure:  Medium pressure
    Upgradeable:  Limited
    Recommended Option(s): Proportional Joystick

Plumbing to the end of the arm ending with low flow quick disconnects. Foot pedal or standard joystick activated (no change in price).

T
 THUMB - Hydraulic Kit 
Applications

    Hydraulic Circuit:  Double acting (two-way oil)
    Line Flow:  Medium flow
    Line Pressure:  Medium pressure
    Upgradeable:  Limited
    Recommended Option(s):  Thumb Group , Proportional Joystick

Plumbing to the end of the Boom ending with plugged tube ends. Foot pedal or standard joystick activated (no change in price). 

B
BREAKER - Hydraulic Kit  
Applications

    Hydraulic Circuit:  Single acting  (one-way oil)
    Line Flow:  High flow
    Line Pressure:  Medium pressure, low back pressure
    Upgradeable:  Yes
    Recommended Option(s): Accumulator (NPK only)

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price).

S
 SHEAR - Hydraulic Kit 
Applications

    Hydraulic Circuit:  Double acting (two-way oil)
    Line Flow:  High flow
    Line Pressure:  High pressure
    Upgradeable:  Yes
    Recommended Option(s):  Two Pump Merge, Flange

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price). Flange upgrade is applicable for 30+ ton machines (required for 2nd member shear applications).


BT
 BREAKER & THUMB - Hydraulic Kit (Combo) 
Applications

    Hydraulic Circuit:  Single or double acting  (one or two-way oil)
    Line Flow:  High flow
    Line Pressure:  Medium pressure, low back pressure
    Upgradeable:  Yes, to a Breaker/Shear kit
    Recommended Option(s):  Thumb Locks
        Electronic Flow Control,

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price).



BS
 BREAKER & SHEAR - Hydraulic Kit (Combo) 
Applications

    Hydraulic Circuit:  Single or double acting  (one or two-way oil)
    Line Flow:  High flow
    Line Pressure:  High pressure, low back pressure
    Upgradeable:  Yes
    Recommended Option(s): Two Pump Merge, Electronic Flow Control
        Electronic Function Select, Electronic Pressure Select, Flange

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price). Flange upgrade is applicable for 30+ ton machines (required for 2nd member shear applications).




SR
 SHEAR & ROTATE - Hydraulic Kit 
Applications
This kit has 2 circuits.

    Hydraulic Circuit:  Double acting 
        (two-way oil)
    Line Flow:  High flow
    Line Pressure:  High pressure
    Upgradeable:  Yes
    Recommended Option(s):  
        Two Pump Merge, Flange

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price). Flange upgrade is applicable for 30+ ton machines (required for 2nd member shear applications).

Hydraulic Circuit:  Double acting 
    (two-way oil)
Line Flow:  Low flow
Line Pressure:  Medium pressure
Upgradeable:  Limited
Recommended Option(s):  
    Proportional Joystick

Plumbing to the end of the arm ending with low flow quick disconnects. Foot pedal or standard joystick activated (no change in price). Uses HKX supplied Rotate Oil Source (ROS) and HKX supplied double acting valve to control 2nd circuit.

BSR
 BREAKER, SHEAR & ROTATE - Hydraulic Kit 
Applications
This kit has 2 circuits.
Most Applications
    Hydraulic Circuit:  Single or Double 
        acting (one or two-way oil)
    Line Flow:  High flow
    Line Pressure:  High pressure, 
        low back pressure
    Upgradeable:  N/A
    Recommended Option(s):  
        Two Pump, Electronic Flow Control,
        Electronic Function Select,
        Electronic Pressure Select,  Flange

Plumbing to the end of the arm ending with high flow manual ball valves. Foot pedal or standard joystick activated (no change in price). Flange upgrade is applicable for 30+ ton machines (required for 2nd member shear applications).

Hydraulic Circuit:  Double acting 
    (two-way oil)
Line Flow:  Low flow
Line Pressure:  Medium pressure
Upgradeable:  Limited
Recommended Option(s):  
    Proportional Joystick

Plumbing to the end of the arm ending with low flow quick disconnects. Foot pedal or standard joystick activated (no change in price). Uses HKX supplied Rotate Oil Source (ROS) and HKX supplied double acting valve to control 2nd circuit.

LHV
LOAD HOLD VALVE - Hydraulic Kit  
Applications

    Hydraulic Circuit:  Load holding and hose burst protection 
    Line Flow:
  High flow
    Line Pressure:  High Pressure
    Upgradeable:  No
    Recommended Option(s): Not Applicable

Superior load holding capability while providing overload relief and hose failure protection for the boom and arm cylinders.

 Most Applications

 


NOTE: 

1-WAY for Breakers, Compactors, Rotary Cutters.
These attachments process oil in one direction, and require low or standard back pressure on the return. Our kit returns oil directly to the hydraulic reservoir.

2-WAY for Thumbs, Shears, Crushers, Grapples.
These attachments typically utilize a cylinder that must extend and retract, thereby requiring a circuit that can route oil bi-directionally.

1- OR 2-WAY: With the addition of special valving we offer kits that are easily converted from 1 or 2 way, allowing your excavator to operate various attachments, for example a shear and a breaker.

SECOND-MEMBER: Attachment is mounted directly to the boom and the arm is removed.

 
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Hydraulic Kits for Excavators

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