What is low range ratio?
A common low range gear ratios is 2.72:1. That means for every 2.72 rotations of the transmission output shaft, the transfer case will turn both driveshafts 1 rotation. The Jeep Wrangler Rubicon model uses a 4:1 low range gearing.
Is a Dana 20 transfer case any good?
The stock Dana 20 transfer case found in a lot of Jeeps, Scouts, and Broncos is a sturdy and reliable unit. However, its Low-range gear ratio is only 2.03:1.
How do you use low range gears?
In low range, let your vehicle do the work; use gentle acceleration, soft braking and, here’s the secret, go slowly. Change up or down through the gears as required. Take your time and creep along. You really don’t need to do a whole lot more other than watch your wheel placement, check for hazards and enjoy the ride.
Do you really need low range?
There are just two reasons for low range. First, the lower gears allow the engine to develop useful amounts of torque yet have the vehicle moving very slowly. Second, low range provides engine braking for steep downhills.
When should I use low range?
You’ll use low range to get you through soft sand, over soft-sand dunes, up steep hills and declines, through deep mud or snow, and it’ll help you drive over rocks. The lower gearing also gives your 4×4 vehicle better engine braking, which helps to control your progress on downhill sections.
What is low range used for?
4WD Low is strictly for slow off-roading or places where torque multiplication would really help you out (like deep sand). Low range used to be common, but these days it’s relegated to pickup trucks and SUVs that have serious off-road pretensions.
How fast can you drive in low range?
Low range is generally for slow-going; don’t use it for high-speed driving on any surface. In fact, don’t use low range at speeds faster than 60km/h for long periods because that may result in serious damage to your vehicle.
How fast can you go 4 low?
Driving speed in 4×4 low should never exceed 10mph since the surface conditions are usually low traction, rocky, steep, and uneven surfaces that require low-speed control. 10mph is the maximum recommended speed to drive in low range on technical off-road tracks.