AGMA Gearmotor Load Classification List
APPLICATION
CLASS OF SERVICE
3-10 HRS/DAY
10-24 HRS/DAY
Agitators
Pure Liquids
I
II
Liquids & Solids
II
II
Liquids:
Variable Density:
II
II
Semi-Liquids:
Variable Density:
II
II*
BLOWERS
Centrifugal
I
II
Lobe
II
II
Vane
I
II
BREWING & DISTILLING
Bottling Machinery
I
II
Brew Kettles:
Continuous Duty
-
II
Cookers:
Continuous Duty
-
II
Mash Tubs:
Continuous Duty
-
II
Scale Hopper:
Frequent starts
II
II
CAN FILLING
-
II
MACHINES
I
II
CANE KNIVES
II
-
CAR DUMPERS
III
-
CAR PULLERS
Intermittent Duty
I
-
CLARIFIERS
I
II
CLASSIFIERS
II
II
CLAY WORKING MACHINERY
Brick Press
III
III*
Briquette Machine
III
III*
Clay Working Machinery
II
II
Plug Mill
II
II
COMPRESSORS
Centrifugal
I
II
Lobe
II
II
Reciprocating:
Multi-Cylinder
II
II*
Single Cylinder
III
II*
CONVEYORS UNIFORMLY LOADED OR FED
Apron
I
II
Assembly
I
II
Belt
I
II
Bucket
I
II
Chain
I
II
Flight
I
II
Oven
I
II
Screw
I
II
CONVEYORS HEAVY-DUTY NOT UNIFORMLY FED
Apron
II
II
Assembly
II
II
Belt
II
II
Bucket
II
II
Chain
II
II
Flight
II
II
Live Roll (package)
I
II
Oven
II
II
Reciprocating
III
III*
Screw
II
II
Shaker
III
III*
CRANES & HOISTS
Main Hoists:
Heavy Duty
III
III*
Medium Duty
II
II
Reversing
II
II
Skip Hoists
II
II
Trolley Drive
II
II*
Bridge Drive
II
II*
CRUSHERS
Ore
III
III*
Stone
III
III*
DREDGES
Cable Reels
II
-
Conveyors
II
II
Cutter Head Drives
III
III*
Jig Drives
III
III*
Maneuvering Winches
II
-
Pumps
II
II
Screen Drive
III
III*
Stackers
II
II
Utility Winches
II
-
ELEVATORS
Bucket-Uniform Load
I
II
Bucket-Heavy Load
II
II
Bucket-Continuous
I
II
Centrifugal Discharge
I
II
Escalators
I
II
Freight
II
II
Gravity Discharge
I
II
Man Lifts
*
*
Passenger
*
*
Service-Hand Lift
III
-
FANS
Centrifugal
II
II
Cooling Towers:
Induced Draft
II
II
Forced Draft
*
*
Induced Draft
II
II
Large (Mine, etc.)
II
II*
Large (Industrial)
II
II*
Light (Small Diameter)
I
II
FEEDERS
Apron
II
II
Belt
II
II
Disc
I
II
Reciprocating
III
III*
Screw
II
II
FOOD INDUSTRY
Beet Slicer
II
II
Cereal Cooker
I
II
Dough Mixer
II
II
Meat Grinders
II
II
GENERATORS
(Not Welding)
I
II
HAMMER MILLS
III
III*
LAUNDRY WASHERS
Reversing
II
II
LAUNDRY TUMBLERS
II
II
LINE SHAFTS
Heavy Shock Load
III
III*
Moderate Shock Load
II
II
Uniform Load
I
II
LUMBER INDUSTRY
Barkers-Spindle Feed
II
III
Barkers-Main Drive
III
III*
Carriage Drive
*
*
Conveyors:
Burner
II
III
Main or Heavy Duty
II
III
Main Log
III
III*
Merry-go-Round
II
III
Slab
III
III*
Transfer
II
III
Waste
II
II
Chains:
Floor
II
III
Green
II
III
Cut-Off Saws:
Chain
II
III
Drag
II
III
Debarking Drums
III
III*
Feeds:
Edger
II
III
Gang
III
III*
Trimmer
II
III
Long Deck
III
III*
Log Hauls-Well Type
III
III*
Log Turning Devices
III
III*
Planer Feed
II
III
Planer Tilting Hoist
II
III
Rolls-Live-Off Bearing-Roll Cases
III
III*
Sorting Table
II
III
Tipple Hoist
II
III
Transfers-Chain
II
III
Transfers-Craneway
II
III
Tray Drives
II
III
Veneer Lathe Drives
*
*
MACHINE TOOLS
Bending Roll
II
II
Notching Press-Belt Driven
*
*
Plate Planer
III
III*
Punch Press-Gear Driven
III
III
Tapping Machines
III
III*
* REFER TO FACTORY
Consult MEP for applications that require frequent stops and starts, high inertia loads, or
oversized brakes or clutches (exceeding motor full load torque).
