Vehicle Segment:
Medium-duty conventional cab truck, versatile for various vocational applications.
Target Applications:
Designed for vocational use such as construction, refuse, pick-up and delivery, towing, and specialized applications.
Key Competitors:
Navistar International (e.g., 4300/4400 series), Freightliner (e.g., M2 series), Peterbilt (e.g., 337/348 series).
Chassis Versatility:
Known for its adaptable chassis that readily accepts a wide array of body types and specialized equipment.
Driver Comfort:
While vocational-focused, the cab offers a relatively comfortable and functional environment for the driver.
Reliability:
Kenworth's reputation for building durable and reliable trucks extends to the T440 and T470.
Chassis And Frame:
Detailed information on frame types, dimensions, rail reinforcement, and mounting points for body integration.
Electrical System Bodybuilder Interface:
Wiring diagrams, connector locations, power access points, and specifications for bodybuilder-installed electrical components.
Cooling System Bodybuilder Considerations:
Guidelines for airflow modifications, radiator protection, and integration of auxiliary cooling systems.
Exhaust System Bodybuilder Considerations:
Information on exhaust routing, heat shielding, and modifications to accommodate bodywork.
Fuel System Bodybuilder Considerations:
Details on fuel tank placement, fuel line routing, and considerations for auxiliary fuel systems.
Air Suspension Bodybuilder Interface:
Information on air suspension components, leveling systems, and potential impacts of body mounting.
Braking System Bodybuilder Considerations:
Guidelines on brake line routing, protection, and potential impacts of body weight distribution.
Steering System Bodybuilder Considerations:
Information on steering column access and potential interferences from body installations.
Propeller Shaft And Driveshaft:
Considerations for driveshaft clearance and potential modifications due to body mounting.
Body Mounting Locations And Procedures:
Precise specifications for body mounting points, bolt torque values, and recommended mounting hardware.
Cab And Interior Access:
Information on cab access for wiring, air lines, and potential body-to-cab interface points.
Lighting And Visibility Systems:
Guidelines for integrating body lighting, marker lights, and maintaining visibility standards.
Air And Pneumatic Systems:
Information on air brake system components, PTO actuation, and auxiliary air supply connections.
Body Builder Electrical Disconnects:
Locations and procedures for disconnecting vehicle electrical systems during body installation.
Frame Modification Guidelines:
Recommendations and limitations for frame alterations, drilling, and welding.
Body Attachment Techniques:
Detailed methods for securely and safely attaching various types of bodies to the chassis.
Wiring Installation And Integration:
Step-by-step guidance for integrating bodybuilder-supplied wiring harnesses with the vehicle's electrical system.
Air Line Routing And Connection:
Procedures for routing and connecting air lines for body accessories and systems.
Pto Installation And Interface:
Instructions for installing and connecting Power Take-Off units for body functions.
Diagnostic Port Access:
Information on the location and use of diagnostic ports for vehicle data acquisition.
Component Clearance Checks:
Guidelines for ensuring proper clearances between body components and vehicle chassis/powertrain.
Weight Distribution Considerations:
Recommendations for maintaining proper weight balance when adding bodywork.
Final Inspection And Testing:
Checklists and procedures for verifying the integrity and functionality of the completed vehicle.
Depth Of Coverage:
Comprehensive, focusing on chassis modifications, electrical integration, and component interface for custom body applications.
Diagnostic Focus:
Provides information for troubleshooting issues arising from body modifications rather than primary vehicle diagnostics.
Repair Focus:
Focuses on repair procedures related to body builder modifications and their integration, not standard vehicle repairs.
Oil Change Interval:
Highly variable based on engine, operating conditions, and oil analysis; typically 15,000 to 50,000 miles.
Air Filter Replacement:
Based on pressure differential monitoring or mileage (e.g., 20,000-40,000 miles).
Coolant Flush:
Typically every 2-5 years or a specified mileage depending on coolant type.
Engine Oil Type:
API CK-4 rated 15W-40 or 5W-40 synthetic, depending on climate and engine manufacturer recommendation (e.g., Cummins CES 20081).
Coolant Type:
OAT (Organic Acid Technology) Extended Life Coolant, typically a 50/50 mix with deionized water (e.g., CAT ELC or equivalent).
Transmission Fluid Type Allison:
TES 295 approved fluid (e.g., Allison Fuel Efficient TranSynd).
Dpf Regeneration Issues:
Potential for Diesel Particulate Filter (DPF) clogging and regeneration issues if operated in frequent short-haul or low-load applications without adequate exhaust temperatures.
Def System Maintenance:
Importance of using clean Diesel Exhaust Fluid (DEF) and ensuring the DEF system components (heater, injector) are functional.
Chassis Corrosion:
Like many commercial vehicles, prone to chassis corrosion in areas with heavy road salt usage; regular cleaning and undercoating are recommended.