Devanco Canada

 
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SOLID_SHAFT_24'

Solid Shaft 1" Keyed 24 ft Galvanized

  • Maximum length for a solid shaft is 24ft
  • Actual length is approx. 24'-1"
71-EB3PH

LiftMaster Field Install Brake Kit 230/460V 3PH for L5 Operators Ext. Mount

  • For operators already in the field without a brake
71-EB1PH

LiftMaster Field Install Brake Kit 115/230V 1PH for L5 Operators Ext. Mount *** To extent of inventory

  • For operators already in the field without a brake
  • No longer available but drum brake upgrade available #K71-D1PH
P219-1

Heddolf 1-Button Mini Transmitter 318MHz ** Available to Extent of Inventory

  • Open/Close mini remote for 1 door
  • 8 dip switch
  • Allstar compatible
OGH-6115-ECB

Manaras 1-1/2 HP 120V 1Ph Gear Head Operator with Elect. Circuit Board

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
  • .......more details
OGH-6213-ECB

Manaras 3/4 HP 240V 1Ph Gear Head Operator with Elect. Circuit Board

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
  • .......more details
OGH-6232-ECB

Manaras 1/2 HP 208V 3Ph Gear Head Operator with Elect. Circuit Board

  • A heavy-duty worm gear industrial operator designed for use on industrial standard high and vertical lift sectional doors or rolling doors and grills.
  • Includes a self-engaging chain hoist for manual operation
  • 25 cycles per hour 80 cycles a day
  • Hoist on right side standard can easily be moved to the left in field
  • Full overload protection
  • BRACKET112 must be used for wall mounting
  • .......more details
801-300-001-01

Equinoxe Long Range Receiver 1-Door 433 MHz New Generation

  • 1000 ft range
  • 2016 +
  • This receiver will accept 8 equinoxe O/C/S remotes
MG020-Y-2E-04

Miller Edge Sensing Edge Yellow 2-Wire End Outlet 4ft Long

  • Electromechanical slide in edge with a small profile for motorized gates and doors rolling shutters and pinch point protection applications.
  • Touch sensitive signaling
  • Temperature range: -30F to 155F
  • Lead wire: 18 gauge 2ft length
  • Sensitivity: nominal 4 PSI
  • 2 wire NO configuration
  • .......more details
OTBH-6433-1-ECB

Manaras Trolley Operator 3/4 HP 480V 3 Ph with Electronic Circuit Board

  • Heavy-duty low headroom trolley operator designed for use on industrial standard lift sectional door
  • 25 cycles per hour 80 cycles per day
  • It incorporates a drum-band type solenoid brake.
  • Tracks are an extra 36 lbs per track
  • 3/4 HP & 1 HP operators come with #41 full roller chain
OTBH-6213-1-ECB

Manaras Trolley Operator 3/4 HP 240V 1Ph with Electronic Circuit Board

  • Heavy-duty low headroom trolley operator designed for use on industrial standard lift sectional door
  • 25 cycles per hour 80 cycles per day
  • It incorporates a drum-band type solenoid brake.
  • Tracks are an extra 36 lbs per track
  • 3/4 HP & 1 HP operators come with #41 full roller chain
OSH-6232-ECB

Manaras Opera-SH 1/2 HP 208V 3 Ph with Electronic Circuit Board

  • An ultra high-end heavy-duty V-belt drive industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a chain hoist for manual operation and a floor level engaging device
  • Clearence: side room required 16"
OHJ-6213-ECB

Manaras Heavy-Duty Jackshaft Operator 3/4 HP 240V 1 Ph with Elect. Circuit Board

  • 25 cycles per hour 100 cycles per day
  • An Industrial duty operator featuring both the patented Hoist-a-Matic a self-engaging chain hoist for manual operation as well as a floor level disconnect
  • Specifically designed to motorize grills when a manual egress is required
  • Mechanical brake
  • Hoist on right standard
  • Full overload protection
  • .......more details
41A6388

LiftMaster Split Coupling (41B6299 / 41D8615)

  • Same as # 41B6299 and 41D8615
  • Compatible with all Liftmaster 3800 3900 & 8500 Residential and Commercial Jackshaft Operators.
  • Door shaft collar RJO
OPH-6534-ECB

Manaras Opera-H 1 HP 600V 3 Ph with Electronic Circuit Board

  • A heavy-duty industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a self-engaging chain hoist for manual operation
  • Clearence: side room required 15"
OPH-6434-ECB

Manaras Opera-H 1 HP 480V 3 Ph with Electronic Circuit Board

  • A heavy-duty industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a self-engaging chain hoist for manual operation
  • Clearence: side room required 15"
OPH-6233-ECB

Manaras Opera-H 3/4HP 208V 3Ph with Electronic Circuit Board

  • A heavy-duty industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a self-engaging chain hoist for manual operation
  • Clearence: side room required 15"
OPH-6432-ECB

Manaras Opera-H 1/2HP 480V 3Ph with Electronic Circuit Board

OPJ-6534-ECB

Manaras Heavy-Duty Jackshaft Operator 1 HP 600V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
OPJ-6434-ECB

Manaras Heavy-Duty Jackshaft Operator 1 HP 480V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
OPJ-6234-ECB

Manaras Heavy-Duty Jackshaft Operator 1 HP 208V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
OPJ-6433-ECB

Manaras Heavy-Duty Jackshaft Operator 3/4 HP 480V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
OPJ-6233-ECB

Manaras Heavy-Duty Jackshaft Operator 3/4 HP 208V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
37301

Reversing Contactor RM12 24VAC - ** NLA

  • No longer available.
  • Possible substitution # 37407
37407

Doorlec Reversing Contactor BF9 24VAC

T105L5

LiftMaster 1 HP 575V 3p Commercial Trolley Operator Logic 5

  • Low profile trolley operator with brake included
T101L5

LiftMaster 1 HP 115/230V 1P Commercial Trolley Operator Logic 5

  • Trolley low profile with brake
  • Suspended from the ceiling the operators are used on sectional overhead doors with standard lift.
  • T operators are directly attached to drive and control the door.
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
  • Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.
OPJ-6532-ECB

Manaras Heavy-Duty Jackshaft Operator 1/2 HP 600V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
OPJ-6432-ECB

Manaras Heavy-Duty Jackshaft Operator 1/2 HP 480V 3 Ph with Elect Circuit Board

  • An industrial operator designed for use on standard high and vertical lift sectional doors
  • Can also be used on rolling doors and grills
  • It incorporates a floor level disconnect mechanism for manual operation
  • 25 cycles per hour 100 cycles per day
  • Continuous-duty single phase capacitor start or 3 phase motor open drip proof
  • Mechanical brake
  • .......more details
MODKIT065B

Manaras Trolley Hoist #41 Brake Release Kit Includes 12' Shaft

  • Modification kit for in-field upgrades
PPK3

LiftMaster Passport 3-Button Mini Remote Control with Sec+ 2.0 Technology ** To extent of Inventory

OSH-6113-ECB-LH

Manaras Opera-SH 3/4HP 120V 1Ph with Electronic Circuit Board Left Hand

  • An ultra high-end heavy-duty V-belt drive industrial jackshaft operator
  • For use on Standard High and Vertical Lift sectional doors
  • Can also be used on Rolling doors and Grilles
  • Comes with a chain hoist for manual operation and a floor level engaging device
  • Clearence: side room required 16"
  • 25 cycles per day > 100 cycles per day
  • .......more details
R5997

Shaft Collar 7/16" ID x 7/8" OD x 7/16" W Zinc

  • Axial Load: 950 LBS
  • Screw length: 1/4"
  • Screw type: Socket set screw
  • Solid steel collar with set screw
LEVER056

Manaras Disconnect Lever

  • Works on newer model MJH
27220A

Genie Limit Switch Chain Drive

  • Compatible with the following operators: PMX700 GPS700-IC PMX1200 GPS1200-IC PMLD500 PMX500-IC/B PMX300-IC/B IC250/B PMX60-65-70-75-80-85-300IC-500IC-IC250 among others
  • For chain drive models with internal limits
20418R

Genie Limit Switch Lead Wire Brown

  • Brown - Used to connect down limit to sequensor
  • For Screw drive models
HSC-600-JAWS

Replacement Jaws for Hand Swager

  • Can be used as replacement jaws for both the HSC-600 hand model and the HSC-600-B bench model
AK-21

Linear Interior Digital Keypad***to extent of inventory

  • The keypad is housed in a rugged plastic enclosure and is designed to be mounted in a standard single-gang electrical box. The die-cast keys have bright easy-to-read yellow graphics.
  • It is supplied with four different plastic snap-on mounting bezels to customize the look of the keypad. The satin-chrome bezel comes factory installed on the keypad. The white ivory & bronze bezels are packaged separately.
  • Up to 480 entry codes from 1 to 6 digits in length can be programmed. They can activate either or both of the relay outputs.
  • Relay #1 has a 5 Amp capacity. Relay #2 has a 1 Amp capacity. The relays can be set for timed or latch-on/latch-off toggle operation per each individual entry code.
  • The on or off toggle state of a relay is maintained even after power interruption. When power is restored to the keypad each relay will assume the state it was in when power was removed.
9150000628

5/32" Stops ONLY 100/pkg

  • Stops only - 100 per pack
33950S

Genie Down Limit Switch Assembly 138 " Wire

  • Magnetic limit switch for down direction.
  • The limit wire is moulded into the limit.
  • For Genie Excelerator Screw Drive garage door opener models: PRO99-IC CMD9900-IC ISD990-1 ISD990-2 ISD1000-2
82-NH25-03

LiftMaster Set Screw only

  • For 1/4-20-03
MX00150

Micanan Complete Clutch Shaft Assembly for PRO-HHD

6062

Programmable Timer *** To Extent of Inventory

  • 12VDC or 24VDC operation is selectable
  • Functions include: One shot Delayed release Delayed operate Delayed pulse and Pulse / Flasher.
  • Momentary relay activation at the end of a desired timing cycle eliminating the need for having to use 2 timers to achieve this function
  • LED indicates relay is energized
  • Form C relay contacts are 8 amp at 120VAC / 28VDC
747

Fasteners Slotted Track Bolt 1/4-20 x 1" 1000/Box ** Unavailable

  • Knurled shank
  • Max torque = 6
KTAG

Erone Proximity Key Tag with Key Ring

  • Works with the Promi500 & DGProx
  • Square in shape color is black
MOD021A

Manaras Safepack 24V Control Circuit

  • A safepack module is used as an "Intrinsically Safe Barrier Relay" and in hazardous locations with non-voltage producing sensors allowing the user to use a N.O. non-monitored sensing edge.
MX00140-110-OLD

Micanan Brake Assembly for PRO-TB/APTB with 110V Solenoid Inside - Old Model

MOUNTSHAFT018F

Manaras Limit Shaft Kit for MTH MTBH MJH MSJ

  • Limit Shaft Kit for OLD STYLE MTBH/MJH/MSJ Operators
  • 5/8 - 24 10" limit shaft
  • For MSJ built before 2012 (green control box)
MTAW22B-R

Miller Edge MT22 Air Wave Black Right Hand Sold by the Foot

H8064HCLL

Polycarbonate Hinged Enclosure Clear Cover Locking Latch

  • Dimensions: 8 x 6 x 4
  • Stainless Steel locking latch
  • Nema 4X
GH103-L5

LiftMaster Gearhead with Brake 1 HP 208/230/460V 3-Phase Logic 5

  • Includes CPS-U photoeyes
ME00007

Micanan Jackshaft Drive Shaft 1" x 15" L c/w KW

  • 2 required per machine
  • Sold individually
  • 1" x 15" long
TR490

Waist-High Pedestrian Tripode Turnstile with Heater & Pictograms

  • The TR tripod turnstiles are very robust products that can function equally well inside and outside buildings.
  • They are particularly well-suited to the needs of access control at leisure centers stadiums and factories.
  • Well-built for increased durability tripod turnstiles efficiently control high throughput.
  • Bi-directional turnstile made especially for quick access control in areas with high traffic but limited space
  • Non-removable stainless steel arms to prevent vandalism
  • Durable corrosion-resistant heavy-duty mechanism for extended service life
  • .......more details
BL229-ARM-12-R

Automatic Systems Aluminum Barrier Gate Arm 12 ft Round

Q404

LiftMaster Omni Siren K29-50279 **to extent of inventory

SCRUBS-PAIL

Scrubs Hand Cleaning Towels 72 Towels per Pail*** Special Order Sold by Quote Only

  • The citrus-based formula and textured towel combination works to loosen dissolve and absorb the toughest materials
  • Each pail contains 72 towles
  • 6 pails per case
MK-00648

Micanan 1-Channel 24V Receiver with Antenna

  • Comes with antenna MK00719
  • Total of 20 regular remotes can be programmed or 200 of the block coded remotes MK-00660
CPE

Erone Proximity Card Standard *** To Extent of Inventory

  • Hexadecimal number printed on each badge
  • 8mm thick
771

Fasteners Lag Screw Hex Washer High Profile 5/16" x 1-3/4" 1000/Box *** Discontinued

  • 7/16" head
763

Fasteners Flat Head Carriage Bolt 1/4-20 x 2-1/4" 1000/Box

  • Full length thread
  • Max torque = 6
788

Fasteners Hex Nut 5/16-18 1000/Box

761

Fasteners Flat Head Carriage Bolt 1/4-20 x 1-7/8" 1000/Box

  • Full length thread
  • Max torque = 6
794

Fasteners Keps Nut 5/16-18 1000/Box

  • Lockwasher & nut combination
786

Fasteners Hex Nut 1/4-20 1000/Box

774

Fasteners Hex Head Bolt 5/16-18 x 3/4" 1000/Box

  • 5/16" bolt has 1/2" head
  • Max torque = 12
  • Full thread
  • Grade 2/Grade 5 depending on availability
781

Fasteners Hex Head Bolt 3/8-16 x 3/4" 1000/Box

  • 3/8" bolt has 9/16" head
  • Max torque = 22
  • Full thread
8X118

Fasteners Wood Screws 1000/Box

  • Ideal for residential weatherstrip
764

Fasteners Serrated Flange Nut 5/16-18 1000/Box

RBH501L5-LH

LiftMaster 1/2 HP 115/230 VAC 1 PH Commercial Hoist Operator Logic 5

  • With the addition of the 828LM MyQ technology enables the user to monitor and control their operator and light with their smartphone tablet or computer.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
  • Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.
  • Brake standard on all RBH operators
  • #48 chain #50 output sprocket chain
  • Comes with CPS-U photoeyes and 02-103 O/C/S push button
  • .......more details
Q400MAU

LiftMaster Relay Module

SSZP19-1

Solid Shaft 1" Keyed Zinc Plated 19'-1"

SSZP15-1

Solid Shaft 1" Keyed Zinc Plated 15'-1" ** to extent of inventory

SSZP11-1

Solid Shaft 1" Keyed Zinc Plated 11'-1" ** to extent of inventory

SSZP7-6

Solid Shaft 1" Keyed Zinc Plated 7'-6"

6X42PO50

Devanco Loop 6' x 42' pave-over 50' lead-in

  • Ideal for use on with gravel driveways or sufaces that are to be asphalted
  • Features a twisted lead-in to reduce the chances of interference and false detections.
  • Direct burial loops should be buried approximately 6" deep
STAR450-390

LiftMaster Commercial Access Control Receiver 390MHz *** To Extent of Inventory

  • Rapid learn feature programs multiple transmitters in just seconds
  • Ideal for gated communities parking lotsand garages.
19-5812

LiftMaster Trolley Chain Pack #48 for 12ft Door

  • Chain pack only
19-5814

LiftMaster Trolley Chain Pack #48 for 14ft Door

  • Chain pack only
75-10174

LiftMaster Trolley- Front Idler Assembly

  • Also known as: 7510174 305115018 711150181 175017 71115211 75-10174
K72-16421

LiftMaster Limit Shaft Assembly LGO****Discontinued and no Longer available

  • Assembly includes: Limit shaft Limit nut Sprocket Roll pin Bushing E-Ring and Chain.
CH755L5-LH

LiftMaster Hoist Op. with Carwash Mod. 3/4 HP 575 VAC 3 Ph Logic 5 Left Hand ***Replaced by CRBH755L5-RH

  • Industrial Duty Hoist Operator with Damp Environment modification.
  • Comes with CPS-UN4 photoeyes
CH751L5-LH

LiftMaster Hoist Op. with Carwash Mod. 3/4 HP 115/230 VAC Logic 5 Left Hand

  • Industrial Duty Hoist Operator with Damp Environment modification.
  • Comes with either CPS-UN4 or CPS-RPEN4 photoeyes
CH501L5-LH

LiftMaster Hoist Op. with Carwash Mod. 1/2 HP 115/230 VAC Logic 5 Left Hand

  • Industrial Duty Hoist Operator with Damp Environment modification.
  • Comes with CPS-UN4 photoeyes
H755L5-RH

LiftMaster Ind. Duty Hoist Op. 3/4 HP 575 VAC 3 Ph Logic 5 Right Hand

  • Includes CPS-U
  • H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
  • The operators are typically mounted to the wall when used with larger sectional overhead doors with vertical or high lift and mounted to the wall or the front of the hood when used with rolling doors and grilles.
  • H operators are attached to the door jackshaft to indirectly drive the door. Connectivity
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
  • .......more details
H505L5-LH

LiftMaster Ind. Duty Hoist Op. 1/2 HP 575 VAC 3 Ph Logic 5 Left Hand

  • Includes CPS-U
  • H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
  • The operators are typically mounted to the wall when used with larger sectional overhead doors with vertical or high lift and mounted to the wall or the front of the hood when used with rolling doors and grilles.
  • H operators are attached to the door jackshaft to indirectly drive the door. Connectivity
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
  • .......more details
K21-36793

LiftMaster Transformer 208-230/460 Volts 20Va

  • 230/460V PRIMARY 24V SECONDARY 20VA
LC2D129B7

Contactor Telemecanique 24V ** Discontinued

029-98200

W-Style Replacement Door White Stainless Steel Package 029-98200

  • Replacement door size between 96-1/4" - 98" wide x 90-100" high
  • Painted white
  • Stainless steel package
  • Includes Hinges Rollers and Cable
MA021

LiftMaster Nylon Arm Nuts 50/Pkg

  • For barrier gate models MADCBB MATDCBB MASDCBB & MASTDCBB
7001-7-SANDSTNE

Commercial Side & Top Weather-Strip 7' Long - Sandstone 7001-SS (D)

  • Sandstone galvanized steel with sandstone dual fin vinyl.
  • Commercial and Residential use.
  • Steel is notched on both ends for easier installation.
  • Also known as Taupe
  • Full case quantity only (20)
V1104-GREY

Replacement Vinyl Only for 1104-Grey 200ft Roll

  • Sold in 200 ft rolls only
165-A

Fusible Link For Loads 1 to 30 lbs

  • Length is 2.625" width is .875"
  • Distance between centers is 1.75"
  • Priced per each
  • Fire rated at 165 degrees Fahrenheit
9150000670

Extension Cable 1/8" 7x7 14' Sold as a Pair

  • Cable assembly for extension spring door - looped one one end the other is raw (no stops)
1104-18FT-CHARC

Residential Side & Top PVC Weather-Strip with cap 18' Long - Charcoal (H)

  • Charcoal rigid vinyl retainer with charcoal flexible vinyl seal.
  • Dual fin vinyl.
  • Comes with cap to hide screws.
  • Full case quantity only (12).
1104-16FT-CHARC

Residential Side & Top PVC Weather-Strip with cap 16' Long - Charcoal (H)

  • Charcoal rigid vinyl retainer with charcoal flexible vinyl seal.
  • Dual fin vinyl.
  • Comes with cap to hide screws.
703-004

Eclipse Gel Connectors Red 20-26 AWG 100/Pkg ** To Extent of Inventory

41A6104

LiftMaster Cable Tension Monitor

  • Used on jackshaft model residential garage door openers
RPEN4-RFLCTR

LiftMaster Reflector with Support Housing

  • Replacement reflector for the CPS-RPEN4 photo-eyes
Z3/Z5

Erone Z-Bracket for Maglock ** No Longer Available

  • For use on: 300-KG 400-KG and 500-KG electromagnetic locks
  • High quality aluminum construction
  • Dimensions: 175mm (long) x 50mm (wide) x 50.5mm (depth
K72-19974

LiftMaster Output Shaft Kit

  • Kit includes: Output shaft sprocket assembly dual sprocket 32/14 sprocket 48B18x1 sprocket 50B12x1 ring washer key set screw roll pin and thin walled receivers