Kenworth T680 Brochure

Ratings
Engine Horsepower
Peak Torque lb-ft @ rpm
380 1,450 @ 1,100
500
450
MX Power (hp)
500
450
405 1,450 @ 1,100
430 1,550@ 1,100
430 1,550/1,750 @ 1,100*
400
350
400
350
455 1,650 @ 1,100
485 1,650 @ 1,100
*Multi Torque Rating
300
250
300
250
Specifications
Horsepower
380 – 485 hp
Bore x Stroke (mm) 130 x 162
Peak Torque
1,450 – 1,750 lb-ft
Governed Speed
2,200 rpm
B10 Design Life
1,000,000 Miles
Clutch Engagement Torque**
860 – 964 lb-ft
Number of Cylinders 6
Oil System Capacity
42 U.S. quarts
Dry Weight
2,640 lb
Base Warranty: 2 Years/250,000 Miles ***
**
Determined by Engine Horsepower and Idle Setting
***
Extended Protection Plans Available
Maintenance Intervals
Maintenance Item Miles/Kilometers Hours Months
Oil and Filter † 40,000 mi 1,200 12
64,000 km
Primary Fuel Filter † 40,000 mi 1,200 12
64,000 km
Secondary Fuel Filter 40,000 mi 1,200 12
64,000 km
Overhead Adjustment ‡ 160,000 mi 4,800
256,000 km
DEF Filter 200,000 mi 4,500
320,000 km
200
150
100
50
0
1000 1200 1400 1600 1800 2000
MX Torque (LB-FT)
2,000
1,800
1,600
1,400
1,200
1,000
800
600
400
200
0
1000 1200 1400 1600 1800 2000
200
150
100
50
0
2,000
1,800
1,600
1,400
1,200
1,000
800
600
400
200
0
† Normal Duty – Line Haul
‡
Required Initial Adjustment at First Service
380 hp @ 1,450 lb-ft 405 hp @ 1,450 lb-ft 430 hp @ 1,550 lb-ft
430 hp @ 1,550/1,750 lb-ft 455 hp @ 1,650 lb-ft 485 hp @ 1,650 lb-ft