Caterpillar 12C Motor Grader Specs and Parts

Description:

Serial Number Location

The serial number for the 12C grader is typically:

• Stamped on the frame near the front articulation joint or behind the cab

• Also found on the data plate near the steering column or on the firewall inside the operator's station

Key Features

• Durable Mechanical Simplicity – Built with minimal electronics and robust mechanical systems

• Legacy Reliability – Widely used in county and municipal fleets through the 1960s–1980s

• Versatile Blade Adjustment – Capable of pitch, angle, and side shift for road shaping

• Simple Operator Controls – Lever-based blade control and manual steering system

• Rebuildable Platform – Popular with restorers and vintage fleet users due to parts availability

Common Replacement Parts

Though specific part numbers must be confirmed by serial number, common replacement categories include:

• Engine: Rebuild kits, injectors, filters, thermostats

• Transmission: Clutch plates, shift forks, seals

• Hydraulics: Pump seals, control valves, lift cylinder kits (if equipped)

• Steering & Axle: Tie rods, kingpins, wheel bearings

• Blade & Frame: Cutting edges, slide rails, circle gear repairs

Visit Broken Tractor to inquire about legacy parts or submit your 12C serial number for fitment.