2003 Specifications
BODY STYLE
	4-Door SUV with rear tri-panel door
POWERTRAIN/CHASSIS
EPA Class	SUV
Drivetrain Layout	Rear- or four-wheel drive
Engine Type (block and heads)	5.4L Triton V-8 6.8L Triton V-10 7.3L Power Stroke V-8 6.0L Turbo Diesel V-8
Valvetrain
5.4L V-8/6.8L V-10	SOHC, 2 valves per cylinder
7.3L V-8	OHV, 2 valves per cylinder
6.0L V-8	OHV, 4 valves per cylinder
Bore/Stroke (in/mm)
5.4L V-8/6.8L V-10	3.55 x 4.16
7.3L V-8	4.11 x 4.18
6.0L V-8	3.74 x 4.13
Displacement (cu in)
5.4L V-8	330
6.8L V-10	415
7.3L V-8	444
6.0L V-8	363
Compression Ratio
5.4L V-8/6.8L V-10	9.0:1
7.3L V-8	17.5:1
6.0L V-8	18.0:1
Horsepower @ rpm
5.4L V-8	255 @ 4500
6.8L V-10	310 @ 4250
7.3L V-8	250 @ 2600
6.0L V-8	325 @ 3300
Torque (lb ft) @ rpm
5.4L V-8	350 @ 2500
6.8L V-10	425 @ 3250
7.3L V-8	525 @ 1600
6.0L V-8	550 @ 2000
Recommended Fuel
5.4L V-8/6.8L V-10	87 octane (minimum)
7.3L V-8/6.0L V-8	1D or 2D diesel
Fuel System
5.4L V-8/6.8L V-10	SEFI
7.3L V-8	HEUI
6.0L V-8	Hydraulic rail, direct pilot injection
Oil Capacity with filter (quarts)
5.4L/6.8L	6
7.3L /6.0L	15
Coolant Capacity (quarts)
5.4L	26.4*
6.8L	28.5*
7.3L/6.0L	32.75
* add 1.5 qts if equipped w/ aux. rear heater
Transmission
5.4L V-8/6.8L V-10/ 7.3L V-8	4-speed automatic overdrive
6.0L V-8	5-speed automatic overdrive
Gear Ratios	4-speed	5-speed
1st	2.71:1	3.09:1
2nd	1.54:1	2.20:1
3rd	1.00:1	1.54:1
4th	0.71:1(OD)	1.00:1
5th	1.00:1	0.71:1(OD)
Reverse	2.18:1	2.88:1
SUSPENSION
Front	Independent twin I-beam, coil springs, shock absorbers, stabilizer bar/non-independent rigid axle, leaf springs, shock absorbers, stabilizer
Rear	Non-independent rigid axle, leaf springs, shock absorbers/ non-independent rigid axle, leaf springs, shock absorbers
Steering Type	Recirculating ball
Ratio (Overall)	17.0:1
Turns Lock-to-Lock
Turning Circle, Curb-to-Curb (ft)
4x2	46.8
4x4	50.4
BRAKES (INCHES)
Brakes (system type)	Disc with four-wheel ABS
Front	13.03-in disc, dual-piston caliper
Rear	12.83-in disc dual-piston caliper
Total Swept Area (f/r) (sq in)	264.48/244.81
WHEELS AND TIRES
Wheels	16-inch aluminum
Tires	LT265/75R16
Number of Lug Nuts	8

Consumer Info
Assembly Plant	Louisville, Kentucky, USA
Basic Warranty	3-year/36,000-mile bumper-to-bumper
Roadside Assist	3-years/36,000 miles
Air bags	Driver and passenger airbags, supplemental inflatable restraint system (SRS)