212-4288 engine camshaft for engine spare part

212-4288 engine camshaft for engine spare part Featured Image
  • 212-4288 engine camshaft for engine spare part
  • 212-4288 engine camshaft for engine spare part

Short Description:

CAT 212-4288 engine camshaft, alternate part number 10R-8729, fits C7 electronic engine, controls valve and fuel injection timing, replacement for 324D/325D/329D excavator, 950H loader and 140K motor grader overhaul.


Product Detail

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description

Made of forged alloy steel with induction hardened cam lobes, this camshaft balances surface hardness and structural toughness. For the C7 electronic engine, it actuates the valve rocker assembly and works with the common rail electronic system to precisely control intake and exhaust events, which directly affects air intake, exhaust flow and emission performance. It matches 324D,325D,329D excavators, 950H wheel loaders and 140K motor graders, commonly used in road construction and earthmoving sites with frequent load changes.

Part No.: 212-4288
Name: Engine Camshaft
Alternate Part No.: 10R-8729
Application: CAT C7 engine; 324D/325D/326D/328D/329D excavator, 950H/962H loader, 120K/140K motor grader
Material: Steel
100-tooth gear
Gear diameter: 222 mm (8.73 in)
Gear width: 29 mm (1.13 in)
Camshaft diameter: 65 mm (2.56 in)
Camshaft length: 810 mm (31.87 in)
Structure: Inline single camshaft

Product Advantages

1. Valve timing follows OEM calibration for smooth gas exchange, avoiding high exhaust backpressure and power loss under heavy loads.
2. Tight machining tolerance on journals maintains stable lubrication clearance and reduces localized bearing wear.
3. The material balances toughness and surface hardness, resisting cam spalling and edge chipping under site vibration and shock.
4. Clear timing reference marks allow technicians to align directly per OEM drawings and reduce assembly error.

FAQ 

Q: Can 212-4288 fit C9 engine directly?
A: No. C9 has different block layout and cam stroke, valve timing does not match, interchange is not allowed.

Q: How many 212-4288 camshafts are required for one C7 engine?
A: C7 is inline engine, only one camshaft is equipped per engine.

Q: Can lightly scratched cam lobes be polished and reused?
A: Polishing is not recommended. It changes cam profile and reduces valve lift, leading to insufficient power over time.

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