Kenworth Truck Safety and Compliance Inspection Checklist

Follow this comprehensive checklist to ensure your Kenworth trucks meet all safety standards and regulatory compliance requirements.

Compliance Information

This inspection checklist is designed to help Kenworth truck operators meet Department of Transportation (DOT) requirements, Federal Motor Carrier Safety Administration (FMCSA) regulations, and prepare for roadside inspections. Regular completion and documentation of these safety inspections helps maintain regulatory compliance, avoid violations, and ensure safe operation of your Kenworth trucks.

DOT Required Safety Inspection Items

These items must be inspected to comply with DOT requirements under 49 CFR Part 396.

Brake System Requirements

  • Service brake functionality
  • Parking brake operation
  • Brake hose condition (no leaks or wear)
  • Brake drum/rotor condition
  • Brake lining/pad thickness (min. 1/4" front, 1/4" rear)
  • Anti-lock brake system indicator function
  • Air system pressure (cut-in at 85-100 PSI)
  • Low air pressure warning device (activates by 60 PSI)

Coupling Devices

  • Fifth wheel mounting (no cracks)
  • Fifth wheel locking mechanism
  • Kingpin condition and engagement
  • Safety latch operation
  • Air and electrical connections
  • Mounting hardware securement
  • Sliding fifth wheel lock operation
  • No visible space between upper/lower fifth wheel

Emergency Equipment

  • Fire extinguisher (fully charged, mounted)
  • Spare fuses (if equipped with fuses)
  • Warning devices for stopped vehicles
  • Three reflective triangles
  • Electrical fuses (spare kit required)
  • First aid kit (if company policy requires)
  • Hazard warning function (4-way flashers)
  • Seatbelts functional for all seating positions

Lighting & Reflectors

  • Headlights (high/low beam)
  • Tail lights
  • Brake lights
  • Turn signals
  • Clearance lights
  • Side marker lights
  • Reflectors (sides and rear)
  • License plate light

FMCSA Compliance Requirements

These items must be inspected to ensure compliance with Federal Motor Carrier Safety Administration regulations.

Driver Requirements

  • Valid CDL with proper endorsements
  • Medical Examiner's Certificate
  • Hours of Service records (last 7/8 days)
  • Driver Vehicle Inspection Reports
  • Hazmat endorsement (if applicable)
  • Driver qualification file maintained
  • Drug & alcohol testing program compliance
  • Entry-Level Driver Training verification (if applicable)

Vehicle Documentation

  • Vehicle registration
  • Proof of annual inspection
  • Insurance documentation
  • IFTA credentials
  • IRP cab card
  • Permits for oversized/overweight (if applicable)
  • Hazmat registration (if applicable)
  • ELD device with instruction sheet and blank logs

Cargo Securement

  • Proper tie-downs for cargo type
  • Adequate working load limit for cargo
  • Securement devices in good condition
  • Cargo properly distributed
  • Blocked and braced appropriately
  • Tie-down angle requirements met
  • Required number of tie-downs present
  • Edge protection where needed

Size & Weight Compliance

  • Gross vehicle weight within limits
  • Axle weights within limits
  • Bridge formula compliance
  • Overall length, width, height compliance
  • Kingpin to rear axle distance legal
  • Weight distribution proper
  • Oversize permits (if applicable)
  • Required flags/lights for oversize loads

Critical Safety Systems Inspection

Verify these critical safety systems to ensure safe operation of your Kenworth truck.

Steering System

  • Steering wheel free play (≤ 10°)
  • Steering gear box mounting secure
  • No fluid leaks from steering system
  • Tie rods and drag links secure
  • Power steering fluid at proper level
  • Steering column properly secured
  • No binding or jamming in steering
  • Front axle aligned properly

Suspension System

  • No cracked or missing leaf springs
  • Air ride suspension inflates properly
  • No leaking shock absorbers
  • Secure U-bolts and spring hangers
  • Axle alignment correct
  • Torque rods and bushings intact
  • Air bags not damaged or leaking
  • No excessive frame cracks or damage

Exhaust System

  • No exhaust leaks
  • Exhaust system securely mounted
  • No parts of system touching wiring/fuel system
  • DPF/SCR components secure
  • No severe rust or heat damage
  • Proper clearance from fuel and electrical components
  • Tail pipe extends beyond cab
  • Emission system warning lights function properly

Fuel System

  • Fuel tanks securely mounted
  • No fuel leaks present
  • Fuel tank caps present and tight
  • Fuel crossover lines protected
  • DEF tank cap sealed properly
  • No damaged or kinked fuel lines
  • Fuel/water separator free of excess water
  • Proper clearance from electrical/heat sources

Tires, Wheels & Rims

  • Tire tread depth (≥ 4/32" front, ≥ 2/32" drive/trailer)
  • No cuts or bulges in sidewalls
  • Proper inflation per specifications
  • No mismatched tire sizes on same axle
  • Wheels/rims free of cracks or damage
  • Lug nuts tight with no missing fasteners
  • No signs of wheel bearing issues
  • Valve stems intact with caps

Windshield & Glass

  • No disqualifying cracks in windshield
  • No obstruction of driver's view
  • Wipers and washers functional
  • Wiper blades in good condition
  • Side windows operate properly
  • No illegal tinting
  • Mirrors properly adjusted
  • Defroster/defogger operational

Advanced Safety Systems

  • Collision mitigation system operational
  • Lane departure warning system functional
  • Blind spot detection system working
  • Adaptive cruise control operational
  • Stability control system indicator checks
  • Backup camera/sensors working (if equipped)
  • Radar sensors clean and properly aligned
  • System warning lights function correctly

Cab Safety Features

  • Cab entry handles secure
  • Steps/grab handles in good condition
  • Door latches function properly
  • Seatbelts for all positions operational
  • Seats properly secured to floor
  • No loose items in cab that could become projectiles
  • Interior lights functional
  • Horn operational

Roadside Inspection Preparation

Prepare for potential roadside inspections with these critical checks.

Level 1 Inspection Preparation

  • Driver's license valid and appropriate
  • Medical certificate current and valid
  • Hours of service logs complete and current
  • DVIR completed and signed
  • Annual inspection documentation
  • Hazmat endorsements/permits (if applicable)
  • Seat belt functional and in use
  • Drugs/alcohol policy documentation

ELD Compliance Items

  • ELD properly mounted and visible
  • ELD registered with FMCSA
  • ELD instruction manual present
  • Blank logs available (minimum 8 days)
  • ELD data transfer capability functional
  • All required data elements captured
  • Malfunction indicator status
  • Data backup system in place

Common Violation Prevention

  • Brake adjustment within limits
  • Lights all functional
  • Load securement meeting requirements
  • Tire condition (no flat or damaged tires)
  • No fluid leaks visible
  • Registration and insurance documentation
  • Proper placards (if hazmat)
  • No frame cracks or damage

CSA Score Improvement

  • Verify all previous violations corrected
  • Maintenance records up to date
  • Critical safety violations addressed
  • Driver has clean, professional appearance
  • Vehicle interior clean and organized
  • Pre-trip inspection just completed
  • Previous inspection reports available
  • Driver prepared to demonstrate knowledge

Required Records and Documentation

Verify that these required records and documents are present and properly maintained.

Driver Qualification File

  • Employment application
  • MVR (initial and annual)
  • Road test certificate
  • Medical examiner's certificate
  • Previous employer verification
  • Annual violations statement
  • Drug and alcohol testing records
  • Entry-level driver training certificate

Vehicle Documentation

  • Registration (current and valid)
  • Insurance card/documentation
  • Annual inspection report
  • IFTA license and decals
  • IRP cab card
  • Previous 90 days of DVIRs
  • Lease agreement (if applicable)
  • PM inspection documentation

HOS Documentation

  • Current record of duty status
  • Previous 7/8 days logs
  • Supporting documents (fuel receipts, etc.)
  • ELD instruction sheet
  • ELD malfunction procedures
  • Blank log book forms
  • Timecard records (if applicable)
  • 34-hour restart documentation

Hazmat Documentation

  • Shipping papers (properly completed)
  • Emergency response information
  • Hazmat endorsement on CDL
  • Hazmat registration (if required)
  • Route restrictions documentation
  • Proper placarding
  • PHMSA registration (if applicable)
  • Hazmat security plan (if required)