144-0718 Caterpillar camshaft group for engine spare part

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  • 144-0718 Caterpillar camshaft group for engine spare part

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144-0718 Caterpillar camshaft group, complete camshaft assembly for 3406C engine, integrates timing drive parts to synchronize valve and fuel pump timing, widely used on wheel loaders, mining dump trucks and stationary power units.


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The 144-0718 is pre-assembled camshaft group for 3406C engine, supplied with camshaft, timing gear, thrust washer and retaining hardware. It eliminates separate sourcing of drive components. This classic inline six-cylinder heavy-duty engine works under variable heavy loads on mines and construction sites. Its camshaft drives both valve train and mechanical fuel pump. Lobe pitting, spalling or journal scoring causes power loss, rough idle, high fuel consumption and smoke. Severe failure triggers valve-piston contact. The pre-built assembly is ideal for full overhaul to avoid mismatched timing components.

Part No.：144-0718
Name：Camshaft Group
Fit Models：CAT 3406C
Equipment：980F wheel loader, 773 mining truck, industrial generator set
Material：Forged alloy steel with induction hardened cam lobes
Included Parts：Camshaft, timing gear, thrust washer, retaining ring
Matching Components：Roller lifters, cam bearings, pushrods, valve assemblies

Product Advantages

1. Pre-matched from factory, with concentricity and end play pre-inspected for faster overhaul installation
2. Dedicated cam profile for 3406C, synchronizing valve and fuel delivery timing for reliable heavy-load performance
3. One-piece forged blank with dense grain structure, resistant to cyclic shock for non-stop mining service
4. OEM drop-in size, compatible with original cylinder head bearing housing and oil circuit without modification

FAQ 

1. Does 144-0718 fit 3406E engine?
No. 3406C and 3406E differ in fuel system, cam lift and timing reference, non-interchangeable.

2. Can the included gear with light tooth pitting stay in service?
Tooth pitting is fatigue damage. Wear will accelerate rapidly under heavy mining load, continued use is not recommended.

3. Can the camshaft stay in service with scattered shallow pitting and no crack?
Light isolated pits can be monitored temporarily. Replace it if pitting spreads or spalling occurs to protect roller lifters.

4. What risk if I install this new cam group and reuse old lifters?
Mismatched contact surfaces will trigger rapid lobe pitting and spalling during break-in and lead to early failure.

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