Technical Specifications: Caterpillar 346-7515 Valve LifterThe Caterpillar 346-7515 Valve Lifter is a high-precision, heavy-duty roller-type valvetrain component. It follows the camshaft lobes to precisely actuate the pushrods, rocker arms, and intake/exhaust valves within internal combustion engines.
1. Core Dimensions & Weight
- Nominal Lifter Diameter: 29.80 mm (1.173 in)
- Component Length: 205.74 mm (8.10 in)
- Component Height: 53.34 mm (2.10 in)
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Average Weight: 0.98 kg (2.16 lbs)
2. Material & Manufacturing Specs
- Main Body Material: Premium case-hardened alloy steel engineered to withstand extreme mechanical stress.
- Configuration: Roller-type design featuring integrated needles and heavy-duty axle pins to minimize friction.
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Optimization: Micro-finished contact roller surface maximizes service life and prevents early camshaft lobe wear.
3. Equipment & Engine Compatibility
This heavy-duty valve lifter is a standard valvetrain component for Caterpillar 3500 and G3500 big-bore engine families:
- Diesel Engine Series: CAT 3508, 3512, 3516 (including A, B, C, and HD sub-variants).
- Gas Engine Series: G3508, G3512, G3516, G3520 (including B, C, E, H, and J generations).
- Mining & Earthmoving Equipment: Caterpillar D11N and D11R Track-Type Tractors, 5130 and 5230 Excavators, 777C, 785B, 789B, and 793B Heavy Mining Trucks.
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Power Modules & Marine Generation: PM3508, PM3512, PM3516 power modules, and SR4 / SR4B / SR5 alternator setups.
4. Part Cross-References & History
- Remanufactured Kit Equivalent: 11R-2387, 10R-3138
- Alternative/Older Part Numbers: 192-8745, 263-6679, 132-9439, 1W-0426, 2W-3256
