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133-4081 CAMSHAFT A-R for CAT 789/793D/793C

133-4081 Right Hand Front Engine Camshaft is a CAT engine component designed to control intake and exhaust valve timing on the front right-hand cylinder bank. It is officially listed for CAT 789, 793C and 793D and is associated with the 3516B engine platform. As part of the multi-camshaft valve-train system, it works with the other camshaft assemblies to coordinate engine valve operation, making accurate part selection important during engine overhaul and maintenance.

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ItemSpecification
Product NameRight Hand Front Engine Camshaft
Part Number133-4081
BrandCAT
Machine Model789 / 793D / 793C
Weight37.5 kg
MaterialNot specified by manufacturer
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

Features & Benefits

  • Right Hand Front Engine Camshaft: 133-4081 is a Cat camshaft designed for the front right-hand side of the applicable engine.
  • Precise Valve Timing: The camshaft lobes correspond to the engine valves and control intake and exhaust valve operation as the camshaft rotates.
  • 3516B Engine Application: The component is used with CAT 3516B engine systems powering heavy-duty trucks and other industrial equipment.
  • Heavy-Duty Mining Application: Suitable for CAT 789, 793C and 793D mining truck applications.
  • Engine-Matched Component: Designed to work as part of the engine valve-train system for coordinated valve operation.
  • Overhaul & Replacement: Suitable for engine rebuilding, valve-train maintenance and camshaft replacement when the existing component is worn or damaged.

Compatible Machine

The 133-4081 Right Hand Front Engine Camshaft is officially listed for CAT 789, 793C and 793D trucks. Caterpillar also lists it for 789B, 789C, 789D, 785C, 994D, 994F, 994H, 5230B and multiple 3516B-powered generator, industrial, marine and petroleum applications.

The part is one of the camshaft assemblies used in the 3516B engine valve-train system. Caterpillar’s parts information also shows 133-4081 together with 127-8260, 127-8261 and 127-8262 as associated camshaft components.

Applications

  • Mining: Supports engine overhaul and valve-train maintenance for large CAT mining trucks.
  • Quarry: Suitable for heavy-duty equipment operating under demanding engine loads.
  • Construction: Helps maintain dependable valve timing in CAT-powered equipment.
  • Heavy Earthmoving: Supports engine maintenance during high-load and extended operating cycles.
  • Large Infrastructure Projects: Suitable for long-running heavy equipment requiring reliable engine components.

Why Choose YLCM?

  • 20+ Years Experience: Extensive experience in construction and mining machinery parts.
  • Large Warehouse: Strong sourcing and inventory support for CAT engine components.
  • Fast Delivery: Efficient order processing for engine repair and overhaul requirements.
  • Genuine & OEM Parts: Genuine, OEM and high-quality aftermarket sourcing options.
  • Export to 60+ Countries: Experienced in international machinery parts supply.
  • Professional Technical Support: Support with part-number verification and engine application matching.

Packaging

The 133-4081 camshaft is prepared with export-standard protection to help prevent damage during handling, storage and transportation. Depending on order and cargo requirements, packaging can include standard export cartons, moisture-proof protection, shock-proof protection and secure internal fixing.

For larger or multiple-unit orders, reinforced export packaging can be arranged for additional protection of the precision engine component.

Shipping

YLCM provides international logistics solutions according to destination, order quantity and delivery requirements:

  • Sea Freight
  • Railway Transportation
  • Land Transportation
  • Multimodal Logistics Solutions

Our logistics team can coordinate suitable packing and transportation arrangements for overseas CAT engine parts orders.

Request a Quote

Looking for 133-4081 CAMSHAFT A-R for CAT 789, 793D or 793C? Send us the part number, machine model, engine model or serial number and required quantity. YLCM can help verify the application and provide the latest quotation, availability, lead time, packaging and shipping options.

Frequently Asked Questions

Q1: What is 133-4081?
133-4081 is a Cat Right Hand Front Engine Camshaft used in applicable heavy-duty engine systems.

Q2: Which CAT machines use 133-4081?
Caterpillar officially lists 789, 793C and 793D among its compatible truck applications, together with several other CAT machines.

Q3: Which engine is associated with this camshaft?
The part is associated with CAT 3516B engine applications, including heavy-duty trucks, generator sets and industrial equipment.

Q4: What does a camshaft do?
The camshaft controls the timing of engine intake and exhaust valve operation. Its lobes correspond to the valves and actuate them as the camshaft rotates.

Q5: Is 133-4081 suitable for engine overhaul?
Yes. It can be used for camshaft replacement, valve-train maintenance and engine rebuilding, subject to correct application verification.

Q6: Can YLCM supply other 3516B engine parts?
Yes. YLCM can source camshafts, valve lifters, cylinder heads, pistons, injectors, turbochargers, bearings and other CAT 3516B engine components.

Q7: How can I confirm compatibility?
Provide the machine model, engine model, serial number and existing part number. YLCM can assist with application and part-number verification before quotation.