Page 195 of 336

Crew Cab 4x2 (150.5” wheelbase)
Engine Rear axle ratio Maximum
GCWR-lb. (kg)Maximum
trailer
weight-lb. (kg)
4.6L (with 17”
tires)3.55 11700 (5307) 6200 (2812)
4.6L (with 18”
tires)3.55 11700 (5307) 5700 (2585)
4.6L (with 17”
tires)3.73 12200 (5534) 6700 (3039)
4.6L (with 18”
tires)3.73 12200 (5534) 6200 (2812)
5.4L (with 17”
tires)3.55 14000 (6350) 8400 (3810)
5.4L (with 18”
or 20” tires)3.55 13500 (6123) 7900 (3583)
5.4L (with 17”
tires)3.73 15000 (6804) 9400 (4263)
5.4L (with 18”
or 20” tires)3.73 14500 (6577) 8900 (4036)
Crew Cab 4x4 (150.5” wheelbase)
Engine Rear axle ratio Maximum
GCWR-lb. (kg)Maximum
trailer
weight-lb. (kg)
4.6L (with 17”
tires)3.73 12200 (5534) 6400 (2902)
4.6L (with 18”
tires)3.73 12200 (5534) 5900 (2676)
5.4L (with 17”
tires)3.55 14000 (6350) 8100 (3674)
5.4L (with 18”
or 20” tires)3.55 13500 (6123) 7600 (3447)
5.4L (with 17”
tires)3.73 15000 (6804) 9100 (4127)
5.4L (with 18”
or 20” tires)3.73 14500 (6577) 8600 (3900)
2006 F-150(f12)
Owners Guide (post-2002-fmt)
USA(fus)
Tires, Wheels and Loading
195
Page 319 of 336

MERCONand MERCONV type fluids are not interchangeable.
DO NOT mix MERCONand MERCONV. Use of a transmission
fluid that indicates dual usage (MERCONand MERCONV) in
an automatic transmission application requiring MERCONmay
cause transmission damage. Use of any fluid other than the
recommended fluid may cause transmission damage.
ENGINE DATA
Engine 4.2L V6 engine 4.6L V8 engine 5.4L V8 engine
Cubic inches 256 281 330
Required fuel 87 octane 87 octane 87 octane
Firing order 1-4-2-5-3-6 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8
Ignition system EDIS Coil on plug Coil on plug
Spark plug gap0.052–0.056 inch
(1.32–1.42mm)0.052–0.056 inch
(1.32–1.42mm)0.040–0.050 inch
(1.02–1.28mm)
1
Compression
ratio9.3:1 9.37:1 9.85:1
1The 5.4L 3V spark plug gap can’t be adjusted.
VEHICLE DIMENSIONS
Regular Cab
Vehicle
dimensionsStyleside 6.5’
box - inches
(mm)Flareside 6.5’
box - inches
(mm)Styleside 8.0’
box - inches
(mm)
(1) Overall
length211.2 (5364) 211.2 (5364) 229.8 (5837)
(2) Overall
width78.9 (2005) 78.9 (2005) 78.9 (2005)
(3) Overall
height – 4x2/4x4
73.7 (1872) /
75.6 (1921)73.8 (1875) /
75.6 (1921)73.8 (1875) /
75.6 (1921)
(4) Wheelbase
– 4x2/4x4126.0 (3198) /
126.0 (3198)126.0 (3198) /
126.0 (3198)144.5 (3671) /
144.5 (3671)
(5) Track -
Front67.0 (1701) 67.0 (1701) 67.0 (1701)
(5) Track -
Rear67.0 (1701) 67.0 (1701) 67.0 (1701)
2006 F-150(f12)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
319
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SuperCab
Vehicle
dimensionsStyleside 5.5’
box - inches
(mm)Styleside /
Flareside 6.5’
box - inches
(mm)Styleside 8.0’
box - inches
(mm)
(1) Overall
length217.8 (5532) 229.8 (5837) 248.4 (6309)
(2) Overall
width78.9 (2005) 78.9 (2005) 78.9 (2005)
(3) Overall
height –
4x2/4x474.1 (1881) /
76.5 (1943)73.5 (1866) /
75.6 (1919)73.4 (1865) /
75.4 (1916)
(4) Wheelbase
– 4x2/4x4132.5 (3366) /
132.5 (3366)144.5 (3671) /
144.5 (3671)163.1 (4143) /
163.1 (4143)
(5) Track -
Front67.0 (1701) 67.0 (1701) 67.0 (1701)
(5) Track -
Rear67.0 (1701) 67.0 (1701) 67.0 (1701)
2006 F-150(f12)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
321
Page 322 of 336
Super Crew
Vehicle dimensions Styleside 5.5’ box -
inches (mm)Styleside 6.5’ box -
inches (mm)
(1) Overall length 223.8 (5685) 235.8 (5990)
(2) Overall width 78.9 (2005) 78.9 (2005)
(3) Overall height –
4x2/4x473.5 (1867) /
76.0 (1931)73.5 (1867) /
76.0 (1931)
(4) Wheelbase 138.5 (3518) 150.5 (3823 )
(5) Track - Front 67.0 (1701) 67.0 (1701)
(5) Track - Rear 67.0 (1701) 67.0 (1701)
2006 F-150(f12)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
322