1 -8
Metric unit Imperial unit
Name Symbol Name Symbol
Time
hour hr hour hr
minute min minute min
second s second s
Torque
Newton meter N.m Pound foot lb.ft
Kilogram meter Kg.m Pound foot lb.ft
Velocity
kilometer per hour km/h mile per hour mph
meter per second m/s foot per second ft/s
Volume
Cubic meter m
3
Cubic yard yd
3
liter L Cubic inch in
3
liter L US gallon US gal
cc cc Cubic inch in
3
Volume per time
(flow rate)
Liter per minute L/min
US gallon per
minute
US gal/min
Sound pressure
level
decibel dB decibel dB
Acronym Definition
DEF Diesel Exhaust Fluid
DPF Diesel Particle Filter
ISO International Organization for Standardization
MSDS Material Safety Data Sheet
NOx Nitrogen Oxide
PPE Personal Protective Equipment
SCR Selective Catalytic Reduction
ULSD Ultra Low Sulfur Diesel
%Percent
< Less than
> Greater than
Glossary