Kenworth T800

Kenworth T800 standard hood, day cab, 48.5 in set-back front axle, 6x4 tandem (52 in axle spacing). Figures are from the Kenworth Heavy Duty Body Builder Manual (08/2012, T800/W900/C500) and the T800 brochure (2012), both US/Canada spec. No Kenworth GCC sheet exists, and the T800 is not in kenworth.com's current line-up or its 2022/2024 HD body builder manuals.

USA

GCW: up to 330,000 lb

Side

Front

Bumper to back of cab (BBC): 122.6 in
Front overhang: 48.5 in
Front axle to back of cab: 74.1 in
Cab roof height above frame: 82.0 in
Width over mirrors: 113.0 in
Width over front tyres: 95.0 in
Front track: 82.7 in

Dimensions

Tilted hood height above frame (hood fully tilted, from bottom of frame rail): 82.8 in
Front axle to front of tilted hood (hood tilt clearance): 87.6 in
Overall width: 98.5 in
Rear track (centres of rear duals): 74.8 in
Frame width (outside of frame rails): 34.0 in
Cab width (rear view): 72.2 in
Tandem axle spacing (tandem used in the turning-radius table): 52 in
Turning radius: 28 ft
Max wheel cut (up to): 54°

Weight

GCW (GCW ratings to): up to 330,000 lb
Front axle capacity (single front axle): up to 22,000 lb
Twin steer front axle capacity: up to 37,500 lb

Chassis

Axle configurations: Single, tandem and tridem drives; front drive axles; pusher and tag axles; twin steer
Frame rails: Single rail 10-5/8 x 5/16 in to 10-11/16 x 1/2 in; double inserted 11-5/8 x 3/8 in
Front springs: 59 in taper leaf, 12,000-22,000 lb
Radiator: 1,440 to 1,780 sq in (1,780 sq in on Wide Hood)

Tyres

Tyres: 295/75R22.5 (Bridgestone R287 front, turning-radius reference spec)

Service intervals

Engine oil and filter: 30,000 miles
Air filter: every year, or when restriction passes 20 in H2O
Axle oil: flush and refill at 400,000 km (non-ESI) or 800,000 km (ESI)
DEF pump filter: 99,000 miles