Parts for Caterpillar 3408E for Australia - Crankshaft Section

Crankshaft and Related Components for Caterpillar 3408E

The Caterpillar 3408E crankshaft assembly is the backbone of this powerful V8 diesel engine, converting combustion energy into smooth rotational motion that drives the powertrain. Every component in this system—crankshaft, bearings, thrust washers, seals, gears, and vibration dampers—must perform flawlessly to maintain balance, oil pressure, and longevity. Diesel Pro Power supplies a complete range of premium aftermarket crankshaft components for the Caterpillar 3408E, engineered to meet or exceed OEM standards and provide the strength and precision needed for long-term reliability.

Crankshaft (Wide Bearing Version) for Caterpillar 3408E

Overview
This premium aftermarket crankshaft for the Caterpillar 3408E is built for engines using wide connecting rod bearings. Each crankshaft is manufactured from high-strength forged steel and precision-ground for flawless balance and dimensional accuracy. The journals are induction-hardened for durability, ensuring smooth rotation and reduced friction throughout the crank’s service life.

Features & Benefits

• Heat-treated and precision-balanced to OEM specifications

• Wide bearing journal design improves load distribution under heavy torque

• Ready for installation with standard main and rod bearings

• Ideal for industrial, marine, and power generation applications

Service Tip: Always measure bearing clearances and use Plastigage during assembly to confirm proper oil film thickness.

Crankshaft (Narrow Bearing Version) for Caterpillar 3408E

Overview
Engines equipped with narrow connecting rod bearings require a specific crankshaft design to ensure correct alignment and oil channeling. Diesel Pro Power offers a premium aftermarket narrow-bearing crankshaft for the Caterpillar 3408E, precision-engineered to handle high-load conditions while maintaining proper lubrication flow.

Features & Benefits

• Forged and machined to exact OEM dimensions

• Balanced for reduced vibration and smoother engine operation

• Oil passages precision-drilled to maintain steady oil flow

• Compatible with Diesel Pro Power’s standard or oversize bearing sets

Installation Tip: When replacing a crankshaft, always inspect connecting rods for twist and taper to prevent uneven bearing wear.

Main Bearings for Caterpillar 3408E

Overview
Main bearings support the crankshaft and maintain consistent oil pressure throughout the lubrication system. Diesel Pro Power offers standard and multiple oversize main bearings to accommodate both factory-fit and re-machined crankshafts.

Options Available

• Standard size for new crankshafts or minor rebuilds

• Oversize .010", .025", and .050" for re-ground crank journals

Benefits

• Tri-metal construction for optimal strength and fatigue resistance

• Designed for even oil film distribution and low friction

• Precision-engineered to match the 3408E’s oil groove patterns and load requirements

Service Tip: Replace all main bearings as a set and ensure the oil holes align correctly with block passages.

Thrust Washers for Caterpillar 3408E

Overview
Thrust washers control axial crankshaft movement and protect against end-play wear caused by clutch loads and gear thrust. Diesel Pro Power’s premium aftermarket thrust washers for the 3408E are made from hardened steel with an overlay designed to handle continuous friction and pressure.

Features

• Manufactured for perfect fit in the 3408E main bearing saddle

• Provides stable crankshaft end-float control

• Sold in matched pairs for uniform thickness and alignment

Installation Tip: Always check end-play after installation—excessive play can indicate improper seating or worn saddles.

Vibration Damper for Caterpillar 3408E

Overview
The vibration damper (harmonic balancer) absorbs torsional vibrations caused by crankshaft twist during combustion. Diesel Pro Power’s premium aftermarket vibration damper ensures smooth operation and protects internal components from damaging harmonic resonance.

Key Benefits

• Balanced and tuned to factory frequency specifications

• Reduces stress on crankshaft bearings and gear train

• Extends overall engine life and improves operator comfort

Maintenance Tip: Inspect dampers for leaks or cracked rubber isolators during every major service.

Crankshaft Dowel Pin for Caterpillar 3408E

Overview
A small but critical part, the crankshaft dowel pin aligns timing components precisely, ensuring correct gear mesh and timing accuracy. Diesel Pro Power’s dowel pins are hardened and ground for precision fit in the 3408E’s gear train assembly.

Benefits

• Prevents misalignment of timing gear and crankshaft flange

• Ensures consistent timing and camshaft synchronization

• Resistant to shear and wear under continuous vibration

Crankshaft Gear for Caterpillar 3408E

Overview
The crankshaft gear drives the timing set and ensures synchronization between the crank and camshaft. Diesel Pro Power offers replacement gears machined to exact tooth count and profile for the 3408E.

Specifications & Features

• 80-tooth design for precise gear timing

• Machined from hardened steel for long wear life

• Maintains accurate cam timing and oil pump drive integrity

Installation Tip: Always replace timing gears in matched sets when excessive wear or noise is present to avoid premature failure.

Front and Rear Crankshaft Seals for Caterpillar 3408E

Overview
Crankshaft seals prevent oil leakage at the front and rear ends of the crankshaft, protecting the flywheel housing and accessory drive from contamination. Diesel Pro Power’s premium aftermarket seals are designed for long-term oil control under extreme operating temperatures.

Features

• Constructed with advanced elastomers for heat and oil resistance

• Precision-molded sealing lips ensure tight, leak-free operation

• Compatible with factory seal retainers and housings

Installation Tip: Lubricate sealing lips with clean engine oil before installation, and ensure the crankshaft surface is smooth and free of grooves.

Why Buy from Diesel Pro Power

For over three decades, Diesel Pro Power has supplied the world’s professionals with dependable, high-quality engine parts for Caterpillar diesel engines. With over 40,000 satisfied customers in 180 countries, Diesel Pro Power is recognized as the leading source for premium aftermarket crankshaft components for the Caterpillar 3408E.

What Sets Diesel Pro Power Apart:

• Premium aftermarket quality: Every crankshaft, bearing, and seal is manufactured to exact Caterpillar specifications for performance and longevity.

• Global shipping: Fast, secure delivery to 180 countries ensures you get the parts you need without extended downtime.

• Expert technical support: Knowledgeable staff assist with fitment questions, bearing sizing, and rebuild planning.

• Proven reliability: Thousands of rebuilders, fleet managers, and marine operators trust Diesel Pro Power to keep their 3408E engines running strong.

When it’s time to rebuild or service your Caterpillar 3408E bottom end, rely on Diesel Pro Power to deliver the precision-engineered parts you need—fast, reliable, and built to perform.

Order your premium aftermarket crankshaft and related components for the Caterpillar 3408E from Diesel Pro Power today, and keep your engine operating with factory-level smoothness and strength.