| 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 |
| Automatic Powershift Control |
APS |
System used to control automatic transmission shifting |
| Air Quality System |
AQS |
System used to control conditioned air in the cab |
| 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 |
| Front Idler |
- |
Front wheel to guide track |
| Gallons Per Minute |
gpm |
Amount of fluid over a period of one minute |
| Guide Lugs |
- |
Rubber blocks on inner side of tracks to keep track on roller |
| Hitch Control Unit |
HCU |
Computerized system used to control hitch functions |
| High Intensity Discharge |
HID |
Type of field lights use for front lighting |
| 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 |
| Large Track Vehicle |
LTV |
9020 Track Tractor |
| Mid-Roller |
- |
One of three rollers between front idler and rear drive wheel |
| Mechanical Shift Transmission |
MST |
24-Speed POWRSYNC 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 |
18-Speed Powershift transmission |
| 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 |