101-1369 camshaft drive gear for CAT engine spare part

101-1369 camshaft drive gear for CAT engine spare part Featured Image
  • 101-1369 camshaft drive gear for CAT engine spare part
  • 101-1369 camshaft drive gear for CAT engine spare part
  • 101-1369 camshaft drive gear for CAT engine spare part

Short Description:

70-tooth camshaft drive gear for Caterpillar engine gear train, mounted on camshaft end, transmits crankshaft power, drives valve and injector gear set and locks engine timing phase.

Product Detail

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description

This drive gear is fixed at the front end of the camshaft and meshes with crankshaft gear and idler gears. It transfers crankshaft rotation to camshaft to control valve operation and unit injector timing. Timing marks on the gear face serve as reference for mechanical injection engine calibration.

It is made of alloy cast steel with carburized and hardened gear teeth. The tooth root retains good toughness while the tooth surface resists wear and pitting under cyclic impact loads. Bore and dowel holes are machined to OEM standard, fitting tightly with camshaft journal to prevent slip.

It is used for gear housing overhaul of Caterpillar 5130B and commonly matched with 101-1366 cluster gear shaft. The 70-tooth design defines gear ratio with fixed module and tooth profile, gears of other tooth count cannot be substituted.

Part Number: 101-1369
Name: Camshaft drive gear
Tooth Count: 70 teeth
Applicable Models: Gear train for Caterpillar 5130B
Height (in): 1.6
Length (in): 10.3
Material: Low Alloy Steel
Function: Transfer crankshaft power, drive camshaft and set timing phase

Product Advantages

1. Cast steel base with carburized hardened teeth, impact and wear resistant for long heavy-duty operation
2. OEM 70-tooth ratio keeps camshaft speed and injection timing synchronized with crankshaft
3. Clear timing marks and accurate dowel holes for easy alignment during overhaul
4. Precise bore tolerance ensures stable fit on camshaft and reduces timing drift

FAQ 

Q: What faults are caused by pitting and spalling on gear teeth?
A: Gradual timing drift, incorrect injection and valve timing, power loss and high fuel consumption. Severe case leads to broken teeth and valve damage.

Q: Can 101-1369 be replaced with a gear of similar tooth count?
A: No. Tooth count defines gear ratio. Wrong tooth count changes cam speed and injection timing, engine cannot run properly.

Q: What causes slip between gear and camshaft?
A: Sheared dowel pin, loose bolt or worn bore. Slip triggers sudden timing shift and may cause catastrophic engine damage.

Q: Can I replace only the drive gear and keep the old idler?
A: If the idler teeth are worn, mismatched contact surface will create noise and rapid recurrent wear.

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