Ford Explorer Quiz
Powertrain

Description and Operation - Planetary Gear Set

In this manual: Powertrain
General Information — 41Chassis — 173Powertrain — 250Electrical — 303Body and Paint — 331
~1min read

Planetary Gear Train, Exploded View

Item Description
1 Ring gear No. 1
2 Sun gear No. 1
3 Planetary carrier No. 1
4 Sun gear No. 2
5 Planetary carrier No. 2
6 Ring gear No. 2
7 No. 3 Planetary Carrier
8 No. 3 Sun Gear
9 No. 3 Ring Gear
10 No. 4 Hub and Sun Gear
11 Ring gear No. 4
12 Output Shaft and Planet Carrier No. 4 Assembly
13 Cylinder (clutch and planetary gear)

The 10-speed transmission has 4 planetary gear sets. Each gear set consists of a ring gear, a sun gear and a planet carrier. The gear sets are numbered 1 through 4 from the front to the rear of the transmission. There are several direct connections between the gear sets:

  • Sun gears No. 1 and 2 are directly connected to each other by splines.
  • Planet carrier No. 1 and ring gear No. 4 are directly connected together with the drum (clutch and planetary gear).
  • Ring gear No. 2 and sun gear No. 3 are directly connected together with the shaft.
  • Ring gear No. 3 and drum and sun gear No. 4 are directly connected together through the drum hub and sun gear No. 4.

Test yourself

A quick Ford Explorer quiz: every answer comes with an explanation and a link to the manual page.