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International Harvester Scout Traveler/Terra
1976–80 118 in

Factory gearing, tires, angles and brakes for the Scout Traveler/Terra, 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
118 in wheelbase · 24 in front · 42.2 in rear overhang
in
Axle ratio2.72–4.09Factory, by trim
Crawl ratio39.3:1Best trim: 1980 (Dana 300) (H78-15 tires)
Angles44 · 20 · 26°Approach, breakover, departure
Clearance7.6 inFactory figure
Highway mpg20Estimate, not EPA rated

Trims

4 we have figures for
TrimTireTransmissionAxleAnglesClearanceOpen
V-345 automatic (Traveler) (H78-15 tires)28.33-speed automatic3.07 / 3.54 / 3.7344 · 20 · 267.6 inUse →
V8 4-speed close ratio (Terra) (H78-15 tires)28.34-speed manual close ratio3.07 / 3.54 / 3.73 / 4.0944 · 20 · 267.6 inUse →
4-196 or V8, 3-speed manual (H78-15 tires)28.33-speed manual3.54 / 3.73 / 4.0944 · 20 · 267.6 inUse →
1980 (Dana 300) (H78-15 tires)28.34-speed manual close ratio, 3-speed automatic2.72 / 3.31 / 3.54 / 3.7344 · 20 · 267.6 inUse →

Size

Wheelbase
118 in
Front overhang
24 in
Rear overhang
42.2 in
Height
66 in
Body
SUV
Stock tires
28.3

Transmissions and low range

3-speed manual (IH T-332, Borg-Warner T-15D)
3 · 1.83 · 1
4-speed manual close ratio (IH T-428, Warner T-19 type)
4.02 · 2.41 · 1.41 · 1
3-speed automatic (IH T-407, Chrysler A-727 TorqueFlite)
2.45 · 1.45 · 1
Low range, tc-145
2.03:1
Low range, tc-146
2.62:1

Axles

Front
Dana 44 (IH FA-44)
Rear
Dana 44 semi-floating
2.72 ratio
1980 (Dana 300) (H78-15 tires)
3.07 ratio
V-345 automatic (Traveler) (H78-15 tires), V8 4-speed close ratio (Terra) (H78-15 tires)
3.31 ratio
1980 (Dana 300) (H78-15 tires)
3.54 ratio
V-345 automatic (Traveler) (H78-15 tires), V8 4-speed close ratio (Terra) (H78-15 tires), 4-196 or V8, 3-speed manual (H78-15 tires), 1980 (Dana 300) (H78-15 tires)
3.73 ratio
V-345 automatic (Traveler) (H78-15 tires), V8 4-speed close ratio (Terra) (H78-15 tires), 4-196 or V8, 3-speed manual (H78-15 tires), 1980 (Dana 300) (H78-15 tires)
4.09 ratio
V8 4-speed close ratio (Terra) (H78-15 tires), 4-196 or V8, 3-speed manual (H78-15 tires)
Ratios made for it
3.73 · 4.11 · 4.56

Brakes

Front rotor
11.75 in, 298 mm
Front caliper piston
78.6 mm
Rear drum
11.03 in, 280 mm
Rear
drum (11 x 2.58 in)

Suspension

Front
solid axle on leaf springs
Rear
leaf springs, solid axle
Rear layout
Leaf springs

Fuel economy

Highway, not EPA rated
about 20 mpg
Where it comes from
Highway, magazine testers (approximate lower bound)

Aftermarket bumpers

6 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 Scout Traveler/Terra sees how it does on their tires and lift.

Front 3

Rear 3

Every calculator, set up for the Scout Traveler/Terra

Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tiresRegearHighway RPM on every ratio and mpg.Pick your gearsCrawl ratioHow slow it creeps, against other trucks.Work out crawlSpeedometerWhat it really reads on new tires.Fix your speedoLinksAnti-squat and what a lift does to it.Check your linksYour rigBuild sheet and measured angles.Start a build sheetLeaderboardsWhere the Scout Traveler/Terra ranks against every stock truck.See where it ranks

Source: archive.org.

Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.