Cat Motor Grader Parts

Motor grader parts for Caterpillar machines, covering replacement components for blade assemblies, circle drives, drawbars, moldboards, scarifiers, hydraulic systems, and drivetrain wear parts across a wide range of Cat grader generations.

Fits Models At A Glance

• 100 Series: 120, 130, 140, 143H, 160H
• M Series: 120M, 140M, 160M, 120M2, 140M2, 140M3, 160M3
• H Series: 12H, 14H, 16H, 120H, 135H, 140H, 143H, 160H, 163H
• G Series: 12G, 14G, 16G, 120G, 130G, 140G, 160G
• AWD Models: 120M AWD, 140M AWD, 140M3 AWD

Key Notes

• Application: Earthmoving, road grading, site prep, and finish grading operations
• Common Wear Parts: Blade cutting edges, end bits, scarifier teeth, and circle gear segments
• Hydraulic Components: Cylinders, seals, hoses, and control valve components for blade and articulation circuits
• Drivetrain Parts: Tandem drive seals, final drive components, and transmission-related parts
• Condition: New and used parts available for most Cat grader generations

Why Choose Broken Tractor

• ✅ Broad Cat grader coverage across multiple generations
• ✅ New and used parts available for faster solutions
• ✅ Expert staff ready to match your machine and part

Frequently Asked Questions

What Caterpillar motor grader spare parts does Broken Tractor carry?

We carry replacement parts for Cat motor grader blade assemblies, circle drives, drawbars, moldboards, scarifiers, hydraulic systems and drivetrain wear parts. That includes blade cutting edges, end bits, scarifier teeth and circle gear segments, as well as hydraulic cylinders, seals, hoses and control valve components. On the drivetrain side, we offer tandem drive seals, final drive components and transmission-related parts.

Which Cat motor grader models do your parts fit?

Broken Tractor covers several Cat grader generations. These include G Series models like the 12G, 14G, 140G and 160G, H Series models such as the 12H, 14H, 120H, 140H and 163H, and M Series models including the 120M, 140M, 160M, 140M2 and 160M3, plus AWD versions like the 120M AWD and 140M3 AWD. Fitment can vary by model and serial number, so match the part number or call (800) 909-7060 to confirm with our parts team before ordering.

What are the most common wear parts on a Cat motor grader?

The most common wear parts on a Cat motor grader are blade cutting edges, end bits, scarifier teeth and circle gear segments. These parts take the brunt of earthmoving, road grading, site prep and finish grading work. Broken Tractor carries replacements for each of them across multiple Cat grader generations.

Do you sell new and used Cat motor grader parts?

Yes, Broken Tractor offers both new and used parts for most Cat grader generations. Having both options gives you more ways to find the right part for your machine. Our staff can help you match the correct part to your grader.

What hydraulic parts do you carry for Cat motor graders?

We carry hydraulic cylinders, seals, hoses and control valve components for Cat motor graders. These parts serve the blade and articulation circuits on models such as the 120M, 140H and 160M. Because components can differ between grader generations, check your model and the part number before ordering.