Out with the old and in with the new tow rig

[larry_arizona]

With the transfer case in 4wd, the emergency brakes on the rear wheels act like a cardan shaft brake, locking the front wheel(s). You truly get all 4 wheels this way with a front diff lock. There is no park with a manual transmission, but one can use the engine as a brake with it turned off.

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I disagree, with 4wd engaged, the only thing that will prevent the front wheels from rolling is the parking pawl engaged on an automatic transmission.

Park brake applies either a rear axle “drum in hat” mechanism or engages the rear brake calipers only.

If you are in 4WD, park brake engaged in neutral and the rear tires start sliding on slick ramp, the front wheels will roll.


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