LiftMaster Dual Trolley kit for 12' high door includes #41 Chain for 12ft High Door Angle tracks (2x) 12' and (1x) shaft

• Provides a second drawbar-type operation on wide standard door
• Includes 12ft tracks #41 chain hardware & Round Bar 1" x 20'
• Works with TDC12 & TDC22 Maxum operators

LiftMaster Dual Trolley kit for 14' high door includes #41 Chain for 14ft High Door Angle tracks (2x) 14' (Actual length 227") and (1x) shaft

• Provides a second drawbar-type operation on wide standard door
• Includes 14ft tracks #41 chain hardware & Round Bar 1" x 20'
• Works with TDC12 & TDC22 Maxum operators

LiftMaster 12' I-Beam Rail G3712RV / CD1012

LiftMaster 12' Track Set for Trolley Operator 10-5812-P (2pcs) *Actual length 179"*

• Actual length: 179" (14' 11")

LiftMaster Limit Nut

• Limit nut / cam for commercial door and gate operators

LiftMaster Chain Guide ***NLA

• This is NLA as a part by itself but may be purchased in a kit K75-18493

LiftMaster Sentinal 20' Manual Lift Gate SM Includes Arm and Base

• Also known as: 14000S-20
• Includes 20ft lift arm and lift base
• Non- motorized traffic control for unmanned entrances that do not require credentialed access.
• Type: Surface Manual Lift Barrier Gates
• Color: Red and White
• Length/Weight: 20 ft. (233 lbs. ea.)
• Mounting: 0.38 in. plate 8 x 8 in. thick with four 0.5 in. holes for mounting

LiftMaster Idler Pulley 2" OD 1/2" Bore

• 144B0018 is a idler pulley (2"OD 1/2"B) replacement kit. Compatible with Models ATS211 & ATS211R garage door openers. Check the manual for your specific model number before ordering.
• Also known as: 144B0018 144B18

LiftMaster Idler Belt Pulley

• Wide idler belt drive pulley
• For square rail assemblies

LiftMaster Idler - Cable Pulley for chain drive

• For square rail assemblies
• Same as 144C0056

LiftMaster 14' I-Beam Rail 3714RV / CD1014

• I-Beam Chain Drive Rail for model 3595

LiftMaster 14ft Double Angle Rail Set for Comm. Trolley Ops 10-5814-P (2 pcs) *Actual length 203"*

• Double Angle Rails for doors up to 14' high
• Works with models : MT T GT APT
• Indicated selling price is calculated with the purchase of a commercial operator. For pricing on a double angle rail only please contact us
• Actual Length 16' 11"

LiftMaster Dual Sprocket 48B10/41A24

• Also known as: G1510855 156016 G156016 15-10885 15-6016 71156016

LiftMaster Sprocket Assembly

• For model H (2005-present)
• 48B32T with hub

LiftMaster Sprocket 50B19T 1-1/4" x 1/4" 2-SS

Sprocket 41B10T 3/4" Bore

• Also known as: 15-41B10GXX 15-41B10G1 155010

Sprocket 14 Teeth 1" Bore 1/4" Keyway

• Same as 15-41B14LGF

Sprocket 41B18T 1" Bore

• Also known as: 155016 41B18
• 18 Tooth Sprocket #41 Chain (41B18)
• Includes 2 Set Screws

Sprocket 32 Teeth 3/4" Bore

Sprocket 32 Teeth 1" Bore 1/4" Keyway

• Sprocket for #41 chain