4P-7695 Caterpillar low overlap camshaft for engine spare part

4P-7695 Caterpillar low overlap camshaft for engine spare part Featured Image
  • 4P-7695 Caterpillar low overlap camshaft for engine spare part
  • 4P-7695 Caterpillar low overlap camshaft for engine spare part
  • 4P-7695 Caterpillar low overlap camshaft for engine spare part

Short Description:

4P-7695 Caterpillar low overlap camshaft, designed for 3306 engine with reduced valve overlap profile, prioritizing stable idle and cleaner exhaust, widely used on generator sets, stationary industrial power and small wheel loaders.


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description

The 4P-7695 is a dedicated camshaft for 3306, different from standard high-overlift profiles. It shortens the period when intake and exhaust valves open together to restrain internal exhaust gas recirculation. This design suits stationary power that runs steadily at fixed RPM, especially standby generator sets. It drives lifters and pushrods to control valve events. Cam geometry defines idle smoothness, exhaust performance and low-speed torque. Lobe damage causes rough idle, smoke and speed fluctuation. It cannot be swapped with regular high-overlap camshaft freely, as it will alter factory calibration.

Part No.：4P-7695
Name：Low Overlap Camshaft
Fit Models：CAT 3306
Equipment：Stationary generator set, standby power, small wheel loader
Material：Forged alloy steel with induction hardened cam lobes
Matching Components：Flat tappets, cam bearings, timing gear, thrust washer

Product Advantages

1. Low-overlap cam profile reduces internal EGR, delivering steady idle for constant-speed generator service
2. One-piece forging with uniform grain structure, resisting fatigue under extended continuous operation
3. Even hardened layers on lobes and journals offer good wear resistance for low-speed stationary power cycles
4. Drop-in replacement dimension, only compatible with low-overlap calibrated engines, not interchangeable with standard cams

FAQ 

1. Can 4P-7695 be replaced with standard high-overlap 3306 camshaft?
Interchange is not recommended. Valve timing differs greatly, leading to rough idle and excessive smoke with mismatched calibration.

2. Does it fit 3304 engine?
No. 3304 and 3306 differ in stroke, cam mounting distance and lift profile, non-interchangeable.

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 tappets.

4. Does it fit both generator and construction 3306?
Only units originally built with low-overlap calibration are compatible. Verify engine serial number before ordering.

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