Standard Transmission Vocalbulatry

Question 1

Air filter/Pressure regulator

Answer 1

Cleans and supplies are to the transmission at 60 PSI

Question 2

Bellcrank

Answer 2

Used on transmission shift linkage, reverses normal direction of motion

Question 3

Blocking ring

Answer 3

A synchronizer part, changes a gears speed to match shaft speed so the synchronizer sleeve can lock the gear to the shaft

Question 4

Collar shift transmission

Answer 4

uses sliding clutches or collars to select gear ratios

Question 5

Compound shift

Answer 5

A shift where two parts of the transmission are being shifted at once

Question 6

Constant mesh transmission

Answer 6

Main and countershaft gears are always in mesh

Question 7

Countershaft

Answer 7

The shaft that is driven by the input gear

Question 8

Detent balls

Answer 8

Spring loaded steel balls that hold the shift rails in position

Question 9

Drop box

Answer 9

Also call transfer case

Allows output of the transmission to flow to both front and rear axles

All wheel drive

Question 10

Double clutch

Answer 10

A technique drivers use to synchronize gear and shaft speeds

Question 11

Input shaft

Answer 11

Clutch discs are splined to

Question 12

Insert valve

Answer 12

Controls air flow to front or rear of the splitter cylinder piston

Question 13

Interlock system

Answer 13

Prevents transmission from engaging two main shaft gears at once

Question 14

Main shaft

Answer 14

Also called output shaft

Driven by the countershaft

Question 15

Multiple countershaft transmission

Answer 15

More than one countershaft

Increases torque capacity of the transmission

Question 16

Output shaft

Answer 16

Also called main shaft

Question 17

Power take of device (PTO)

Answer 17

Attached to the transmission, gear driven, used to run accessories

Question 18

Range gear

Answer 18

Any speed gear

Question 19

Range shift cylinder

Answer 19

The cylinder to control range shifts in the auxiliary

Question 20

Reverse idler shaft

Answer 20

Shaft that supports the reverse idler gear

Question 21

Road ranger valve

Answer 21

A driver shift knob that controls range and splitter shifting

Question 22

Shift cover

Answer 22

Cover on the transmission that holds the shift rails and forks

Question 23

Shift finger

Answer 23

A flat sides piece that sits in the shift gates

Question 24

Shift forks

Answer 24

Forks that move sliding clutches or collars in the transmission

Question 25

Shift gate

Answer 25

Rectangular notches attached to the shift rails

Question 26

Shift tower

Answer 26

A raised section with a pivot into which the shift lever fits

Question 27

Slave air valve

Answer 27

Controls air flow to the range shift cylinder

Question 28

Speed gears

Answer 28

Also known as range gears

Create transmission ratios

Question 29

Splitter shift cylinder

Answer 29

A shift cylinder that controls the splitter sliding clutch

Question 30

Synchronizer

Answer 30

A device that matches shaft and gear, no gear clash