Ford Bronco
1992–96

Factory gearing, tires, angles and brakes for the Bronco, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.

Use this truck in the calculators
104.7 in wheelbase · 33.6 in front · 45.3 in rear overhang
in
Stock tireP235/75R1528.9 in tall
Axle ratio3.55–4.1Factory, by trim
Crawl ratio43.1:1Best trim: Std P235/75R15XL (assumed carried over)
Angles30.8 · ~19 · 16.2°Approach, breakover, departure (~ estimated)
Clearance6.8 inFactory figure
Highway mpg16EPA

Tire upgrades, worked out

Std P235/75R15XL (assumed carried over), 3.55s, from P235/75R15
TireHeightUnder the diffsSpeedo at 65RPM at 65Gears for dailyOpen
31x10.50R1531.0 in+1.1 in61 mph2,0024.1Open →
32x11.50R1532.0 in+1.6 in59 mph1,9394.1Open →
33x10.50R1533.0 in+2.1 in57 mph1,8804.1Open →
33x12.50R1533.0 in+2.1 in57 mph1,8804.1Open →
35x12.50R1535.0 in+3.1 in54 mph1,7734.56Open →

Stock turns 2,149 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Trims

2 we have figures for
TrimTireTransmissionAxleAnglesClearanceOpen
Std P235/75R15XL (assumed carried over)P235/75R155-speed overdrive manual, 4-speed automatic overdrive3.55 / 4.130.8* · ~19 · 16.2*6.8 inUse →
Optional 31x10.50R15C (assumed carried over)31x10.50R155-speed overdrive manual3.55 / 4.130.8* · ~19 · 16.2*6.8 in*Use →

* The maker doesn’t publish this figure for that trim, so it shows the closest trim’s (same tire where we have one), or a close relative’s that shares the same body or front end. Hover the star to see which.

~ Estimated from the wheelbase and ground clearance. No maker has published it for this truck yet.

Size

Wheelbase
104.7 in
Front overhang
33.6 in
Rear overhang
45.3 in
Height
74 in
Body
SUV
Stock tires
31x10.50R15, P235/75R15

Transmissions and low range

5-speed overdrive manual (Mazda M5OD-R2)
3.91 · 2.24 · 1.49 · 1 · 0.8
4-speed automatic overdrive (AOD/AOD-E, 302, early years)
2.4 · 1.47 · 1 · 0.67
Low range, bw1356
2.69:1

Axles

Front
Dana 44 Twin Traction Beam
Rear
Ford 8.8 in
3.55 ratio
Std P235/75R15XL (assumed carried over), Optional 31x10.50R15C (assumed carried over)
4.1 ratio
Std P235/75R15XL (assumed carried over), Optional 31x10.50R15C (assumed carried over)
Ratios made for it
3.73 · 4.1 · 4.56 · 4.88 · 5.13

Brakes

Front rotor
11.72 in, 298 mm
Front caliper piston
73.0 mm
Rear drum
11.03 in, 280 mm
Rear
drum

Suspension

Front
Twin Traction Beam, radius arms, coil springs
Rear
leaf springs, solid axle
Rear layout
Leaf springs

Fuel economy

EPA highway, automatic
16 mpg
EPA highway, manual
16 mpg
Rated years
1992–1996, 4WD

Aftermarket bumpers

15 listed

Makers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this Bronco sees how it does on their tires and lift.