Glossary of Terms

Alternating Current

AC

Electrical current that reverses its direction at regularly recurring intervals

Air Conditioning

A/C

System used for conditioning the air in the cab

Accessory

ACC

Secondary electrical system

Air Quality System

AQS

System used to control conditioned air in the cab

Automatic Powershift Control System

APS

System used to control automatic transmission shifting

Armrest Control Unit

ACU

Armrest control used to control tractor functions

Cold Cranking Amperes

CCA

Refers to a battery's capability to perform during cold weather operation

Circulator Motor

 

Symbols for circulator motor speeds

 

O

Medium Speed

 

++

Fastest Speed

Central Control Unit

CCU

Computerized system for tractor monitoring

Component Technical Manual

CTM

Technical manual developed for the servicing of major components

Direct Current

DC

Electrical current flowing in one direction only

Engine Control Unit

ECU

Computerized system used to govern engine speed

Electro-hydraulic

EH

Refers to a hydraulic valve function that is controlled electrically

Electro-hydraulic Depth Control

EHDC

Abbreviation

Electro-hydraulic Selective Control Valve

EH SCV

Selective control valve operated with electrical solenoids

Gallons Per Minute

gpm

Amount of fluid over a period of one minute

Hitch Control Unit

HCU

Computerized system used to control hitch functions

High Intensity Discharge

HID

Type of field lights use for front lighting

High Pressure Common Rail

HPCR

Fuel injection system on the engine

Hitch Slip Command

HSC

Computerized system used to supplement hitch draft control

Instrument Control Unit

ICU

Computerized system controlling tractor warning functions

Ignition

IGN

Control for starting and stopping the tractor

Implement Management System

IMS

Computerized system used to perform multi-functional tractor tasks

International Standards Organization

ISO

Standards organization

Mechanical Shift Transmission

MST

24 Speed Transmission

Mechanical Front Wheel Drive

MFWD

A powered front axle which is driven mechanically from the transmission

Number

No.

Abbreviation

Product Identification Number

PIN

Serial number relating to tractor identification

Powershift Control Unit

PCU

Computerized system used to control transmission shift functions

Pressure Control Valve

PCV

Valve used to control pressure within a system

Powershift Transmission

PST

Abbreviation

Power Take-Off

PTO

Abbreviation

Revolutions Per Minute

rpm

Abbreviation

Society of Automotive Engineers

SAE

Standards Organization

Selective Control Valve

SCV

Device used to control remote hydraulic functions

Selective Control Unit

SCU

Computerized system used to control selective control valve functions for selective control valves 1, 2, and 3

Selective Control Option

SCo

Controller for selective control valves 4 and 5

Slow Moving Vehicle

SMV

Warning sign on the rear of the tractor

Set-Up Panel

SUP

Operator control panel used to set selective control valve function

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