Grader Blades Caterpillar GB120

Cat® SMART Grader Blade attachments are for cutting, moving and grading dirt, gravel, sand and virtually any other material used as a base.

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Cat® SMART Grader Blade attachments are for cutting, moving and grading dirt, gravel, sand and virtually any other material used as a base. There is an assist feature of the blade that takes the unit beyond SMART. The SMART grader blade brings cross slope to SSL/CTL platforms.

Independent Front Axle with Dual Wheels

Dual front wheels are mounted on an independent axle and on casters to provide stability in both directions of travel. These wheels are air filled and will provide balance for the blade in both automatic and manual operation.

Angle Indication in Machine Display

The dedicated screen of the SMART Dozer provides the operator with feedback on the orientation of the attachment. The operator will see attachment blade slope as well as angle of the blade.

Mast Mounting Points

Standard fixed masts provide great performance for single or dual laser technology configurations as well as supporting 3D technology. Bolt pattern fits Accugrade™ Std. GNSS masts.

Curved Moldboard

Curved moldboard allows for material to roll and fold, improving capacity and performance. Flowing material will easily find low spots and improve grading and leveling performance.

Serrated Steps

Serrated bolt-on step provides safe ingress and egress from machine cab. Additional weld-on serrated steps on the blade ensure safe receiver adjustment, install, or removal.

Protected Hydraulic Valve and ECM

The hydraulic valve and ECM (Electronic Control Module) are enclosed and mounted within the frame of the tool, protected from damage.

External Reference Ready

Grader Blade attachment is external reference ready. Cat Grade (GPS and UTS), EW GO!, Total Station.

Attachment Control Mode

Attachment Control Mode (manual) turns the D3 and SMART Grader into a machine that is controlled more intuitively for the job at hand. The left joystick maintains control of the machine drive functions. The right joysticks now operate the attachment.

Cross Slope Control

With cross slope enabled, the operator selects the desired cross slope of the blade by placing the blade to the desired position. Then the attachment maintains that desired slope during operation, even when the machine slope changes.

Centrally Located Electronics

Technology components are centrally located and simply route to their respective harnesses back to this location on the tool. Then, a single harness routes to the control module in the cab or on the tool.

Wear Indicating Cutting Edges

Wear indicating cutting edges feature 20% more wear material on the ground engaging section of the edge and also indicate when it is time to flip (center section only) or replace the edge.

Tool Mounted Operation and Maintenance Manual Holder

Tool mounted and sealed from the elements, this holder includes all of the operation manuals and maintenance guides required for proper operation of the work tool.+E2:E16

Dual Parabolic Mirrors

Dual parabolic mirrors provide full visibility to the front cutting edge allowing the operator to see how much the blade is loading and see out to the corners of the blade.

Optional Side Wings

Optional side wings allow the operator to make the blade wider and carry material similar to box blades.

Specificatii tehnice


Overall Width 78.4 mm
Moldboard - Blade Width 1981 mm
Width - Fully Angled 1747 mm
Optimal Hydraulic Flow 50-86 L/min (13-23 gpm)
Optimal Hydraulic Pressure 180-230 bar (2600-3340 psi)
Required Hydraulics Standard Flow
Overall Length 2246 mm
Overall Height with Masts 2652 mm
Overall Height 1046 mm
Weight 894 kg
Tilt Angle Range +/- 15 degrees
Maximum Blade Angle - Right/Left of Center 30 degrees
Blade Height 431 mm
Ground Clearance 152 mm
Maximum Cutting Depth 102 mm
Interface Type Skid Steer Coupler
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