Kenworth T680

Kenworth T680 (current North American build): drawings are the standard hood with 76 in high-roof sleeper (and the standard hood day cab where noted), 6x4 tandem, set-back front axle, from the Kenworth Heavy Duty Body Builder Manual (September 2024). Engine figures are from the kenworth.com T680 page. US/Canada spec; no Kenworth GCC sheet found. All heights are from the bottom of the frame rail.

USA

Side

Front

Bumper to front axle: 50.5 in
Front axle to back of cab: 74.1 in
Bumper to back of cab (day cab): 124.6 in

Dimensions

Front axle to back of sleeper (76 in high-roof sleeper, standard hood): 139.7 in
Front axle to rear of roof fairing (76 in high-roof sleeper): 159.0 in
Bumper to back of sleeper (76 in high-roof sleeper, standard hood): 190.1 in
Bumper to rear of roof fairing (76 in high-roof sleeper): 208.5 in
Front axle to front of tilted hood (hood tilt clearance): 87.8 in
Tilted hood height above frame (from bottom of frame rail): 80.6 in
Sleeper roof height above frame: 125.9 in
Roof fairing height above frame (76 in high-roof sleeper, top of fairing): 127.5 in
Day cab roof height above frame: 83.8 in
Day cab roof fairing height above frame (standard hood day cab): 127.2 in
Width over mirrors (front view): 119.7 in
Cab width (front view): 97.4 in
Cab width (rear view): 82.7 in
Frame width (outside of frame rails): 34 in

Engine

Engine model (12.9 L): PACCAR MX-13
Displacement (MX-13): 3.4 US gal
Gross power (PACCAR MX-13): 405-510 hp
Max torque (PACCAR MX-13): 1,550-1,850 lb-ft
Engine model (10.8 L): PACCAR MX-11
Displacement (MX-11): 2.9 US gal
Gross power (PACCAR MX-11): 355-445 hp
Max torque (PACCAR MX-11): 1,250-1,700 lb-ft

Transmission

Transmission: PACCAR TX-12 automated (with MX-13); PACCAR TX-18 and TX-18 PRO (with MX-11)
Rear axle: PACCAR DX-40 tandem axle (with MX-13)