Description
Protect certified rigging hardware and technicians during extreme industrial turf tractor frame extractions. The Atlas Lifting and Rigging ACH yields 33000 lbs of manual vertical lifting capacity across a 15-foot chain drop. This heavy 15-ton chain hoist lacks motorized hoisting speed, requiring deliberate physical hand chain pulls during high-elevation equipment teardowns.
Heavy welded steel side plates house an industrial triple-reduction gear train, multiplying hand pull effort into massive vertical leverage. Six falls of Grade 80 alloy steel chain run over precision machined load sheaves to distribute tension evenly. An integrated slip clutch slips automatically when tension exceeds 15-ton limits, preventing crane overload damage. Heavy drop-forged alloy steel hooks rotate on sealed thrust bearings, allowing smooth rotation under 33000 lb loads without chain twist.
Key Features Atlas ACH-150-15-OP
Municipal grounds maintenance depots use this 15-ton hoist to pull heavy diesel engines and split tractor backbones. The integrated overload protection clutch prevents catastrophic failure from accidental equipment hang-ups during lifting.
- A 33000 lb working load rating handles industrial turf tractors and heavy earthmoving attachments.
- The 15-foot chain drop provides vertical travel for tall fleet maintenance crane bays.
- Factory-set overload slip clutch protects technicians and rigging hardware from dangerous excess tension.
- Six strands of heat-treated Grade 80 chain distribute load tension to minimize link fatigue.
- Triple-reduction gear engineering minimizes hand pull effort when elevating maximum rated weights.
- Dual pawl Weston mechanical brake locks loads firmly without hydraulic creep or failure.
- Drop-forged lower hook block rotates 360 degrees under load without twisting chain falls.
Hoist Overload Dyno Telemetry
Hydraulic pull beds test this hoist unit under 39600 lbs of tension to calibrate slip clutch actuation. The overload protection slip clutch activates reliably at 115 percent of rated load, cutting power transmission before structural yield occurs. Hand chain pull resistance peaks at 98 lbs under full 33000 lb suspended weight. Weston mechanical brake surfaces register a 52 °F thermal rise across repeated drop-stop load cycles, exhibiting zero mechanical slip while acoustic output measures 73 dBA in indoor service bays.
Heavy Lift Rigging Directives
Riggers verify that all six chain falls hang straight without flips before engaging heavy equipment lifting eyes. Never attempt to adjust or bypass the internal mechanical overload slip clutch. Do not shock-load the hoist mechanism by dropping suspended loads onto loose support cribbing.
- Measure load chain links with vernier calipers every 30 days to detect stretch elongation.
- Lubricate load sheave bearings with high-load molybdenum grease every 150 operating hours.
- Inspect hook throat opening dimensions using factory gauge marks during quarterly safety audits.
Commercial Warranty Crate Manifest
Atlas backs this hoist with a 1-Year commercial warranty covering mechanical gearing, slip clutch mechanism, and housing welds. The reinforced heavy shipping crate contains the 15-ton manual chain hoist powerhead, six-strand Grade 80 load chain assembly, hand chain loop, proof test certificate, and technical operation manual.