Premium replacement original equipment manufacturer (OEM) heavy-duty front axle hub shaft retaining lock nut assembly. Precision manufactured by CNH, this critical structural drivetrain hardware is engineered specifically for four-wheel drive (4WD / 4x4) heavy agricultural tractor front axle steering knuckles. Positioned directly onto the outer threaded end of the main planet carrier hub shaft or drive axle stub spindle, it clamps the wheel bearing assembly securely into the front steering wheel hub casing. It maintains precise wheel bearing preload alignment tolerances, preventing axial play under heavy front-loader stress loads and intense ground counter-pressures.
CNH New Holland Fiat Ford: 5142020
System Category: Front Axle Powertrain / Hub Wheel Bearing Retaining Fasteners
Ford & New Holland 40 Series Generation Models: 5640 6640 7740 7840 8240 8340
New Holland TS Series Delta / Plus / Heritage Utility: TS90 TS100 TS110 TS115
New Holland TSA Series Electronically Governed Utilities: TS100A TS110A TS115A TS125A TS135A
New Holland T6 Series AutoCommand & ElectroCommand: T6.120 T6.140 T6.145 T6.150 T6.155 T6.160 T6.165 T6.175 T6.180
New Holland T7 Series PowerShift & CVT Heavy Platforms: T7.165 T7.170 T7.175 T7.185 T7.190 T7.200 T7.210 T7.220 T7.225 T7.235 T7.245 T7.250 T7.260 T7.270
Fiat & FiatAgri 90 Heavy Utility Series: 110-90 115-90 130-90 140-90 160-90 180-90
Case IH Maxxum & Puma PowerShift Platforms: Maxxum 110 Maxxum 115 Maxxum 125 Maxxum 140 Puma 130 Puma 145 Puma 160 Puma 165 Puma 180 Puma 195 Puma 210
Type: High Tensile Front Hub Spindle Pinion Lock Nut
Thread Fitting Pitch: M75 x 2 metric right hand straight fine thread profiling
Material Matrix: Grade 10.9 structural forged alloy carbon steel
Locking Mechanism: Integrated mechanical staking lip collar base
Condition: 100 percent Brand new original CNH equipment premium drivetrain hardware
✔ Premium forged carbon steel matrix stops thread stripping under high planetary torque reversals
✔ Precision machined M75 fine thread pitch matches original hub shafts perfectly without loose play
✔ Instantly addresses severe front wheel wobble diagnostics, hub clunks, and premature bearing failures
✔ Heavy structural hex flank shoulders prevent tool slippage during deep wheel service maintenance
✔ Integrated staking collar locks permanently into shaft slots to block back-off vibration risks
Stripped, cross-threaded, or structurally distorted front hub axle spindle nut replacements and carrier repairs
Front wheel bearing preload configuration adjustments, steering knuckle rebuilding, and planetary gear overhauls
Pre-season agricultural tractor 4WD fleet mechanical safety audits, heavy front loader implementation checks
High stress heavy front ballast weight transport loops, deep furrow plowing runs, and rough livestock utility tasks
Please review your tractor front axle manufacturer blueprints (such as Class 3 or Class 4 CNH/Carraro axles) and verify the required outer thread diameter mirrors the M75 metric sizing parameters before concluding your final purchase layout. Always discard old distorted lock nuts and replace with fresh components to maintain critical wheel assembly safety bounds. Thoroughly wire brush clear any crusty grease, dirt crumbs, or residual metal scale from the shaft thread channels, apply a light coat of clean gear lubricant to the seating face, torque carefully to the manufacturer's exact heavy engineering specification using a matching heavy-duty socket tool, and stake the locking edge securely into the shaft keyway slot to ensure a fully isolated, tight wheel tracking loop.