Specification: Thrifty 1- 5-Ton Steel Adjustable-Ht Rectangular-Tube Gantry

This general engineering product specification is for the Wallace Thrifty adjustable-height steel rectangular tube gantry crane which comes in 1. 2. 3 and 5-ton models.

General Engineering Product Specification

Gantry end frames shall be of steel rectangular tube construction manufactured to Wallace Cranes standards including, but not limited to, the following:

Gantry shall adjustable in height.
Gantry shall have fixed tread.
The steel I-beam shall be American Standard and have a design deflection of no greater than l/800th of the span.
The end frames shall have internal reinforcement as well as gussets welded to top plates.
Gantry shall be equipped with four, 360 degree rotating, non-marking phenolic resin casters with 4-position swivel locks, at 90 degrees, to provide easy steering of crane by locking “lead” casters only, or to allow positioning of crane more firmly than a brake by locking all four casters 90 degrees to each other. Casters shall be 6” or 8” diameter as determined by capacity, height and span of crane.
The model number to be provided shall be tested in accordance with Wallace Cranes specifications (A specific unit shipped is not tested; unless a Certificate of Test is ordered [additional charge applies]).
The gantry shall be painted with red gloss industrial quality paint.
The gantry end frames shall be dip painted with red gloss industrial quality paint to protect the inner and outer tubing walls.
Gantry bolts and hardware shall be plated to prevent corrosion.
Optional span adjustment kit available at additional cost on cranes up to 15’ I-beam spans. Must specify when ordering.
Gantry is manufactured in accordance with our interpretation of ANSI B30.17 and U.S. OSHA, (Section 1910.179, revised January 1976), regulations at the time of manufacture.