Ram 2500 Power Wagon
2010–13

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
148.9 in wheelbase · 39.8 in front · 48.5 in rear overhang
in
Stock tireLT285/70R1732.7 in tall
Axle ratio4.56Factory
Crawl ratio37.2:1First × low × axle
Angles35 · 25.5 · 26.5°Approach, breakover, departure
Clearance14.5 inFactory figure

Tire upgrades, worked out

Crew Cab 6 ft 4 in box, 5.7L HEMI, 4.56s, from LT285/70R17
TireHeightUnder the diffsSpeedo at 65RPM at 65Gears for dailyOpen
285/75R1733.8 in+0.6 in63 mph1,973Keep 4.56sOpen →
315/70R1734.4 in+0.8 in62 mph1,9434.88Open →
35x11.50R1735.0 in+1.1 in61 mph1,9074.88Open →
35x12.50R1735.0 in+1.1 in61 mph1,9074.88Open →
37x11.50R1737.0 in+2.1 in57 mph1,8045.13Open →
37x12.50R1737.0 in+2.1 in57 mph1,8045.13Open →

Stock turns 2,041 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Size

Wheelbase
148.9 in
Front overhang
39.8 in
Rear overhang
48.5 in
Height
80 in
Body
Pickup
Stock tires
LT285/70R17

Transmissions and low range

5-speed automatic (545RFE)
3 · 1.67 · 1 · 0.75 · 0.67
Low range, nv271
2.72:1

Axles

Front
AAM 9.25 in solid front axle, Tru-Lok electric locker
Rear
AAM 11.5 in, Tru-Lok electric locker
4.56 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
4-link with track bar, coil springs
Rear
leaf springs, solid axle
Rear layout
Leaf springs

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.