Day Cab Tractor (2 listings)

2026 Kenworth T680 Day Cab.
This 2026 Kenworth T680 Day Cab is a lightweight, fuel-efficient linehaul tractor. Built with a Cummins X15 Efficiency Series engine, Eaton Endurant 12-speed automated transmission, and Bendix Fusion safety technologies, this unit is spec'd for general freight and doubles applications. With aerodynamic enhancements, aluminium components throughout, and advanced driver assistance systems, this T680 delivers a strong balance of performance, safety, and operating economy. .
Engine & Powertrain:.

Engine: Cummins X15 Efficiency Series 
Horsepower: 450 HP @ 1,700 RPM
Torque: 1,650 lb-ft @ 900 RPM
Transmission: Eaton Endurant EEO-16F112C, 12-speed automated, bottom PTO provision
Clutch: 430 mm Self-Adjusting

Axles & Suspension: .

Front Axle: Meritor MFS12E Plus - 12,000 lb, lightweight tapered leaf springs, power steering with radiator-mounted cooler 
Front Axle Load Rating: 12,000 lb
Rear Axles: Meritor MT40 Tandem - 40,000 lb, Meritor crosslock differential, Kenworth AG400L air suspension, 52" axle spacing, single leveling valve, 8.5" ride height
Rear Axle Load Rating: 40,000 lb
Wheelbase: 192"
Cab to Axle: 118"
GCW: 105,000 lb
GVWR: 52,000 lb
Rear Axle Ratio: 3.25

Brakes & Safety Systems:.

Bendix ABS 6S/6M with ATC
Bendix Fusion 3.0 System including: Adaptive cruise control, active cruise with stop & auto go, collision mitigation system, lane departure warning, electronic stability program (ESP)

Tires & Wheels:.
Front: .

Bridgestone R213 Ecopia - 11R22.5
Polished aluminium wheels

Rear:.

Bridgestone M799 - 11R22.5 (Duals)
Polished aluminium wheels
Rear tire quantity - 8 

Frame & Exterior Equipment:.

10-5/8" x 5/16" Steel Frame Rails 
Removable front tow hooks
Jost ILS Air-Release Fifth Wheel (55,000 lb)
Quarter fenders
Safety chain loops

Fuel & DEF System:.

Fuel Capacity - 120 US gal LH under cab, 60 US gal RH behind cab
Aluminium fuel tanks
DEF Tank: 23.8 gallons (LH mounted)
Heated fuel system with crossover equalizer 

Cab & Interior:.

Interior Package: Vantage Day Cab in Slate Gray
Driver's Seat: Kenworth GT701 High-Back Air Ride Seat (Duracloth)
Passenger Seat: Kenworth GT100 Toolbox Seat 
15" digital driver display
Tilt & telescoping steering column with SmartWheel steering wheel controls
Five sets of keys 
Kenworth AM/FM/WB Radio with Bluetooth & USB
CB Radio with quick-release mount
Dash-mounted trailer brake valve

Lighting & Visbility:.

Dual halogen headlamps with DRL
LED marker lights and turn signals
LED stop/turn/tail lights with backup lamps
Dual pedestal and flush-mount floodlights
Hood-mounted heated mirrors
Aero cab mirrors with convex inserts
Rain deflectors on LH & RH doors 

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