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421-0087 CRANKSHAFT for CAT 844 844H 844K

Crankshaft is a heavy‑duty core rotating component, precisely engineered for the CAT C27 engine fitted on CAT 844,844H and 844K wheel dozers. Made of premium forged alloy steel with journal hardening heat‑treatment, it delivers outstanding torsion‑resistance and anti‑fatigue performance to sustain long‑time heavy‑load mining and construction working environments.

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ItemSpecification
Product NameCrankshaft
Part Number421‑0087
BrandCaterpillar
Machine ModelFor CAT 844, 844H, 844K Wheel Dozer
Weight33.9 kg
MaterialHigh‑strength forged alloy steel, hardened journals, dynamically balanced for CAT C27 heavy‑duty engine operation
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock

Features & Benefits

  • OEM‑spec heavy‑duty crankshaft engineered for CAT C27 V12 diesel engine
  • Manufactured from high‑strength forged alloy steel with journal quenching and hardening heat‑treatment
  • Converts piston reciprocating motion into rotational torque for high‑power wheel dozer power output
  • Excellent torsion‑resistance and anti‑fatigue performance to withstand severe cyclic heavy‑load mining cycles
  • Precision‑ground main and rod journals minimize bearing friction and reduce premature wear
  • Strict dynamic balance inspection lowers engine vibration under full‑load working conditions
  • Factory‑inspected to comply with Caterpillar OEM dimensional and tolerance standards
  • Suitable for engine overhaul repair, ready for professional on‑site installation

Compatible Machine

This crankshaft is compatible with:

  • CAT C27 Diesel Engine
  • CAT 844 Wheel Dozer
  • CAT 844H Wheel Dozer
  • CAT 844K Wheel Dozer

If you’re unsure whether this crankshaft matches your machine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.

Applications

The 421‑0087 crankshaft serves as the core rotating power component for CAT C27 engine mounted on large wheel dozers, widely deployed in harsh heavy‑duty working scenarios:

  • Large‑scale open‑pit mining material pushing and stockpile management
  • Coal mine site bulk material handling and compaction operations
  • Quarry large‑volume earth‑moving and site grading work
  • Power‑plant raw‑material yard heavy‑duty material management
  • 24‑hour non‑stop continuous‑cycle heavy mining equipment fleet maintenance

Its robust mechanical performance helps prevent serious engine breakdown and reduces costly unplanned downtime for mining and heavy‑construction fleets.

Why Choose YLCM?

YLCM specializes in supplying genuine Caterpillar, OEM and premium aftermarket spare parts for construction and mining machinery worldwide. We provide:

  • Genuine Caterpillar engine core spare parts including crankshafts
  • High‑quality aftermarket replacement components with strict pre‑shipment inspection
  • Competitive factory‑direct pricing without middleman markup
  • Fast worldwide delivery options
  • Standard professional export‑grade packaging
  • Pre‑sales part‑number verification and after‑sales technical support
  • Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America

In addition to crankshafts, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of Caterpillar replacement parts.

Packaging & Shipping

Every 421‑0087 Crankshaft is professionally packed to ensure safe international transportation. Packaging options include:

  • Anti‑rust oil coating & moisture‑proof protection
  • Heavy‑duty steel support frame
  • Export‑standard solid wooden crate
  • Sea freight
  • Railway transportation
  • Multimodal logistics solutions

Each crankshaft is securely fixed inside the crate to avoid collision and deformation during long‑distance transit, ensuring arrival in excellent condition.

Request a Quote

Looking for the 421‑0087 Crankshaft for CAT 844, 844H, 844K wheel dozer? Contact YLCM today to receive:

  • Latest quotation
  • Delivery lead time
  • Packing details
  • Shipping solution
  • Technical support
  • OEM part verification

Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.

Frequently Asked Questions

  • Q: Is this a genuine Caterpillar part? A: We can supply both genuine Caterpillar original and high‑quality aftermarket versions for 421‑0087, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
  • Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
  • Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
  • Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.