20R-6742 Caterpillar Reman C175 rear camshaft for engine spare part

Short Description:

20R-6742 Caterpillar Reman C175 rear camshaft, OEM remanufactured rear camshaft for 16-cylinder high-power C175 engine, controls valve timing for rear bank cylinders and works in pair with 20R-6740 front camshaft.


Product Detail

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description

The 20R-6742 is genuine Cat Reman, designed for the rear cylinder bank of C175. It undergoes full core inspection, lobe regrinding, heat treatment and dynamic balancing. The V-type C175 is widely deployed on large mining haul trucks, offshore generator sets and stationary mine power modules. Front and rear camshafts run independently with unique lift and timing angles, and they must be paired correctly. High cylinder pressure and continuous full-load operation impose heavy stress on cam lobes. Precise cam profile guarantees uniform combustion, stable power output and controlled exhaust. Reman solution cuts overhaul expenditure while maintaining original reliability.

Part No.:20R-6742
Name:Reman C175 Rear Camshaft
Fit Models:CAT C175 (16 cylinder)
Type:Genuine Caterpillar Remanufactured Camshaft
Material:Chromium alloy carbon steel with induction hardened cam lobes
Matching Components:Rear bank roller lifters, cam bearings, timing gear, thrust assembly

Product Advantages

1. Built to Cat Reman specification, each unit passes MPI inspection, profile verification and dynamic balance, incorporating latest factory engineering updates
2. Timing profile calibrated for rear bank, coordinated with 20R-6740 front camshaft to synchronize cylinder combustion
3. Re-hardened journals and lobes deliver excellent fatigue and impact resistance for long continuous full-load mining cycles
4. Drop-in replacement dimension, compatible with original timing gear and thrust assembly without modification

FAQ 

1. Can 20R-6742 rear camshaft interchange with 20R-6740 front camshaft?
No. They differ in cam lift, phase angle and gear reference. Each serves separate cylinder bank. Mixing them causes timing failure and valve damage.

2. Is core return required for this Reman camshaft?
Yes. Core return is mandatory for Cat Reman unit to activate official warranty.

3. Can minor wear be repaired by hand grinding on site if no crack exists?
On-site manual repair is not recommended for high-load C175. Only factory reman heat treatment and precision re-profiling guarantee service life.

4. Does it fit both mining truck and generator set C175?
It fits the base C175 platform. Verify engine nameplate and valve train version before purchase.

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