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Ram 2500 Power Wagon
2014+

Factory gearing, tires, angles and brakes for the 2500 Power Wagon, 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
149.3 in wheelbase · 36.4 in front · 48.4 in rear overhang
in
Stock tireLT285/70R1732.7 in tall
Axle ratio4.1Factory
Crawl ratio51.0:1Best trim: 6.4L HEMI, 8-speed auto (2019+)
Angles33.6 · 23.5 · 26.2°Approach, breakover, departure
Clearance14.3 in14.2 to 14.3 in by trim
Highway mpg10Estimate, not EPA rated

Tire upgrades, worked out

6.4L HEMI, 6-speed auto (2014-18), 4.1s, from LT285/70R17
TireHeightUnder the diffsSpeedo at 65RPM at 65Gears for dailyOpen
285/75R1733.8 in+0.6 in63 mph1,668Keep 4.1sOpen →
315/70R1734.4 in+0.8 in62 mph1,6424.56Open →
35x11.50R1735.0 in+1.1 in61 mph1,6124.56Open →
35x12.50R1735.0 in+1.1 in61 mph1,6124.56Open →
37x11.50R1737.0 in+2.1 in57 mph1,5254.56Open →
37x12.50R1737.0 in+2.1 in57 mph1,5254.56Open →

Stock turns 1,725 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Trims

2 we have figures for
TrimTireTransmissionAxleAnglesClearanceOpen
6.4L HEMI, 6-speed auto (2014-18)LT285/70R176-speed automatic4.133.6 · 23.5 · 26.214.3 inUse →
6.4L HEMI, 8-speed auto (2019+)LT285/70R178-speed automatic4.129.4 · 22 · 2614.2 inUse →

Size

Wheelbase
149.3 in
Front overhang
36.4 in
Rear overhang
48.4 in
Height
80 in
Body
Pickup
Stock tires
LT285/70R17

Transmissions and low range

6-speed automatic (66RFE)
3.23 · 1.84 · 1.41 · 1 · 0.82 · 0.63
8-speed automatic (ZF 8HP75)
4.71 · 3.14 · 2.1 · 1.67 · 1.29 · 1 · 0.84 · 0.67
Low range, bw4447
2.64:1

Axles

Front
AAM 9.25 in solid front axle, electric locker, center disconnect
Rear
AAM 11.5 in, electric locker
4.1 ratio
All trims
Ratios made for it
4.56 · 4.88 · 5.13 · 5.38

Brakes

Front rotor
14.17 in, 360 mm
Front caliper piston
60.0 mm
Rear rotor
14.09 in, 358 mm
Rear
disc (ventilated)

Suspension

Front
3-link with track bar, coil springs
Rear
5-link (4 links plus track bar), coil springs
Rear layout
Factory 4-link

Fuel economy

Highway, not EPA rated
about 10 mpg
Where it comes from
Road test, 60% city / 40% highway mix (2014 Ram 2500 Power Wagon 6.4 HEMI 66RFE)

Aftermarket bumpers

17 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 2500 Power Wagon sees how it does on their tires and lift.

Front 10

Rear 7

Every calculator, set up for the 2500 Power Wagon

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 2500 Power Wagon ranks against every stock truck.See where it ranks

Source: media.stellantisnorthamerica.com.

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.