All-O-Matic Jamb Track Hardware Standard Short Set 3" | ALL-SS-3 SEA Gate Openers General Accessories It can be on both

It can be on both the cab and the trailer of 18-wheelers

Sounds: Acoustic tones when numbers are entered

Version with rectifying jumper on board

LiftMaster 062529

All-O-Matic Jamb Track Hardware Standard Short Set 3" | ALL-SS-3 SEA Gate Openers General Accessories It can be on bothAll O Matic Jamb Track Hardware Standard Short Set 3" ALL SS 3 All O Matic Jamb Track Hardware Standard Short Set 3", **Max Gate Dims: 350lbs, 19' wide, 6'6" 7' tall Includes 1 Pair of 35" Hinges (1L 35 1R 35) 1 Hardware Box (HWB 3) 2 3" Springs (30AC) 1 Pair 8' Track (34 8) Product Literature All O Matic SS 3 Installation Manual All O Matic SS 3 Brochure