Underhung Formed Channel

Underhung Formed Channel end trucks are used in underhung systems to support and guide loads that travel beneath the rail. They house the wheels and bearings that roll inside the formed channel, providing smooth, stable movement for doors, material handling equipment, or overhead transport systems where floor space needs to stay clear.

Yale formed-channel end trucks are designed with safety, reliability, and performance in mind and are an economical and easy-to-install option for any crane system or application.

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Features and Benefits

Designed for Strength & Durability
End trucks feature a rigid steel welcment, reinforced at the wheel acles and girder connection. The truck weldment uses formed-channel sides and structural steel plates complete with welded girder pads and end plates, forming a rigid u-shaped structure. In addition, the wheels are solid forged steel , heat treated with a hardness of 220-250 BHN, rotating two sealed, lifetime-lubricated ball bearings ensuring smooth, reliable operation.
Gear Reducers
A right-angle, shaft-mounted worm drive gear reducer can be mounted at either end of the bridge. The gear reducers can be mounted on either top-running or under-hung end trucks. Traverse reducer provides stopping motion of the bridge within a distance in feet equal to 10 percent of full load speed in feet per minute (traveling at maximum speed with maximum rated load).
Motor
Drive motor is a 1/2 or a 3/4 horsepower squirrel cage motor that is NEMA design 30-minute rated TENV with Class “F” insulation. The motor is provided with thermal overload protection as standard, with C-face mounted to the gear reducer.
Control Panel
The control panels include mainline contactor, 115-volt control circuit transformer with fused secondary terminal strip, bridge fusing, and reversing contactor in a NEMA 1 enclosure. NEMA 4/12 panels are available as an option.
Fused Disconnect Switch
Fused disconnect switch box has positive power disconnect and crane fusing. NEMA 1 enclosure is standard with NEMA 4/12 available as an option.

Documents

Brochures & Catalogs

[Brochure] End Trucks Brochure

Manuals & Supplements

[O&M Manual] Underhung Crane Bridge Kits Manual 113535-27 [Service Manual] Underhung Formed Channel Crane Bridge Kits Parts and Operating Manual - EN

FAQs

What type of beams can Underhung Formed Channel End Trucks operate on?

End trucks feature single-flange wheels have a compound tread for operation on American Standard I-beams or wide flange beams.

What is the motor voltage available?

Single-phase and three-phase motors (½ hp only) are available for these end trucks. Voltages available in single and two speed are 208-230-460-575 volt-3ph-60Hz. Voltages available in single speed only are 115-230 volt-1ph-60Hz. Contact us for any other special speeds or voltages.

What is the wheel diameter?

Wheel diameter is 4” on 3-ton trucks and 6-1/2” on 5-ton trucks. Patented track wheels are available for both capacities.

Do end trucks meet CMAA specifications?

Yes, push-type and gear-type underhung end trucks are designed in accordance with CMAA specifications.

Are cross shafts needed?

For hand-geared and single-drive, motor-driven cranes, cross shafts are required. We offer 1” diameter cross shafts made from AISI 1018 cold drawn steel.

Underhung Formed Channel