3696487 Crankshaft Adapter Fits Cummins Engine Power Connection Replacement Part

Product Overview

3696487F Crankshaft Adapter (ADAPTER,CRANKSHAFT) is a precision power connection coupling specially designed for Cummins series diesel engines. Installed at the power output end of the crankshaft, it transmits crankshaft torque to hydraulic pumps, power take-offs and other external equipment through internal splines.

This crankshaft adapter solves common power output faults such as spline abrasion, power transmission jitter, abnormal knocking and insufficient auxiliary equipment power caused by aging, deformation and tooth damage of old adapters.

Core Product Advantages

1. High-Strength Quenched Alloy Steel Body

   Integrated forging and overall heat treatment, strong load-bearing and impact resistance, no deformation or fracture under long-term heavy torque impact.

2. Precision CNC Spline Machining

   Internal and external splines with high matching accuracy, uniform stress distribution, effectively reduce spline surface wear and eliminate power transmission clearance jitter.

3. Thickened Reinforced Stress Structure

   Optimized transition fillet design disperses torque stress concentration, prevents root crack failure under frequent start-stop and overload conditions.

4. Wide Temperature Adaptability

   Stable mechanical performance from -40℃ ~ +135℃, no thermal deformation under continuous high-temperature engine compartment operation.

5. Anti-Rust Anti-Corrosion Surface Treatment

   Passivation anti-oxidation coating resists erosion of engine oil, dust and humid air, long-term stable spline precision without rust sticking.

6. Standard Matching Installation Structure

   Standard size 11cm11cm11cm, net weight 3.3KG, perfectly match Cummins crankshaft output end mounting position, plug-and-play replacement without secondary machining.

7. Strict Factory Torque & Hardness Inspection

   All adapters pass hardness test, spline matching detection and fatigue torque cycle test, stable batch quality for engine overhaul factories and logistics fleets bulk procurement.

Basic Product Parameters

• Part Number: 3696487F

• English Name: ADAPTER, CRANKSHAFT

• Product Name: Crankshaft Adapter / Crankshaft Coupling

• Applicable Engine: Cummins Series Diesel Engines

• Overall Dimension: 11cm 11cm 11cm

• Product Weight: 3.3KG

• Main Material: High-strength quenched forged alloy steel

• Working Temperature: -40℃ ~ +135℃

• Core Function: Connect crankshaft and external power equipment, transfer engine torque, ensure stable power output of auxiliary devices

• Key Features: High load-bearing, wear-resistant spline, anti-fatigue, anti-deformation, precise matching, easy installation

• Installation Position: Crankshaft power output end

• Package: Neutral export carton, independent anti-rust oil paper and shockproof foam packaging to avoid spline collision scratch

Application Scenarios

Suitable for heavy-duty trucks, construction machinery, mining vehicles and diesel generator sets equipped with Cummins diesel engines. Adapt to full-load climbing, long-distance transportation and frequent power take-off working conditions. Effectively restore stable torque transmission, eliminate power output jitter and abnormal noise faults.

Purchase Reminder

Please confirm part number 3696487F and Cummins engine model before ordering to guarantee compatible assembly. We support global bulk wholesale for auto parts distributors, engine repair workshops and transport fleets with sufficient stock and competitive prices. Spline matching and torque locking installation guidance are provided after sales.