133-4079 right camshaft for engine spare part

Short Description:

CAT 133-4079 right camshaft for 4-cylinder engine, dedicated to the right bank of V-type 4-cylinder engine, independently governing intake and exhaust valve timing of this bank, stocked for oilfield and small stationary power unit overhaul.


Product Detail

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description

Forged from alloy steel in one piece, with induction hardened cam lobes, this camshaft balances torsional toughness and contact surface resistance to compression wear. The V4 engine uses two separate camshafts for left and right banks. 133-4079 serves exclusively the right bank. Its lift and phase are calibrated for the right cylinders and cannot be swapped with the left unit. It is widely fitted on small generator pump sets and oilfield auxiliary power units, running steadily under continuous low-speed heavy load in dusty remote sites with average fuel quality.

Part No.: 133-4079
Name: Right Camshaft for 4-Cylinder Engine
Application: CAT V4 power unit, stationary generator set, oilfield pump skid
Height (in): 9.5
Length (in): 57.0
Material: Alloy steel, induction hardened cam lobe surface
Structure: Dedicated camshaft for right cylinder bank of V-engine

Product Advantages

1. Cam phase is calibrated for the right bank combustion sequence, stabilizing idle and minimizing exhaust temperature difference between cylinders.
2. Tight journal grinding tolerance maintains reliable oil film at low continuous RPM and reduces uneven bearing wear.
3. Adequate hardened depth withstands cyclic contact stress of non-stop pump skid operation and resists pitting and spalling.
4. Fixed timing marks prevent mix-up with the left camshaft during alignment.

FAQ 

Q: Can 133-4079 interchange with the left camshaft of the same engine?
A: No. Left and right camshafts differ in phase and lift. Swapping will break valve timing and cause power imbalance.

Q: How many 133-4079 camshafts are required for one V4 engine?
A: Only one 133-4079 is used for the right bank. The engine needs a matched left camshaft as a complete set.

Q: Do I need to replace left side valve train parts together?
A: Left-side lifters and bearings can be reused if clearance and condition remain good. Only worn parts of the right bank need replacement.

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