185-7912 camshaft assembly for CAT engine spare part

185-7912 camshaft assembly for CAT engine spare part Featured Image
  • 185-7912 camshaft assembly for CAT engine spare part

Short Description:

CAT 185-7912 camshaft assembly for 3412E engine, integrated with timing gear, overhaul replacement for mining trucks and large dozers.


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description

This complete camshaft assembly is forged from alloy steel with induction hardened cam lobes. It comes pre-fitted with timing gear and thrust parts with factory phase calibration. It accurately controls valve and fuel injection timing for 3412E engine. It fits heavy machines such as 773E,775B mining trucks, D10R dozer and 990 loader. Widely used for shock-load open-pit mining operations in Africa and Middle East, lowering on-site calibration work.

Part No.: 185-7912
Name: Camshaft Assembly
Application: CAT 3412E engine; 773B/773D/773E,775B haul truck, D10N/D10R dozer, 990 loader, 657E scraper
Height (in): 16.25
Length (in): 54.5
Material: Alloy steel, induction hardened cam lobe surface
Kit Contents: Camshaft body, timing gear, thrust washer set

Product Advantages

1.Gear pre-assembled and phase-calibrated at factory, eliminating gear matching and timing adjustment to reduce mining downtime.
2.Cam profile complies with original 3412E specification to balance high torque output and fuel consumption.
3.Precision ground multiple journals with good coaxiality, resisting cyclic impact wear under rough haulage conditions.
4.Direct drop-in replacement assembly with identical locating dimensions, no modification needed during overhaul.

FAQ 

Q: Can I remove the gear from 185-7912 and install it on an old camshaft?
A: Splitting is not advised. Gear and camshaft are calibrated as a matched set. Disassembly causes phase shift and inaccurate timing.

Q: How many 185-7912 assemblies for one 3412E engine?
A: 3412E is V12 engine. Two assemblies required, one for each cylinder bank.

Q: Is this assembly interchangeable with C32 camshaft assembly?
A: No. Differences in gear tooth count, cam lift and overall length, designed for different engine calibrations.

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