AMH Mini-Series — MM003 Mini Hand Chain Hoist
The MM003 is AMH's compact 1/4 ton (550 lb) mini hand chain hoist. Planetary gearing minimizes operator effort, and its small size allows operation and storage in tight places. Durable all-steel construction with a chrome exterior and plated frame components for corrosion resistance.
- Capacity: 1/4 t (550 lb WLL)
- Planetary gearing — minimizes effort and reduces stress on brake components
- Compact — operate and store in tight spaces; durable chrome exterior finish
- Weston-style self-adjusting mechanical load brake — double pawls, asbestos-free discs, enclosed
- Precision load chain with the strength of G80 chain
- Standards: ASME/ANSI B30, OSHA, NASA-STD-8719.9; ATEX rated II 3 GD c IIB 54°C X for limited use in hazardous environments
- Available in customized chain lengths
Standard lift 8 ft. All hoists are load-tested at 125% capacity. Order by descriptive model number, e.g. MM003-20-18 (Model-Lift-Drop).
Dimensions & specifications (see dimensional drawing)
| Model | WLL max | Chain falls | Load chain | A″ min | B″ | C″ | D″ | E″ | F″ | G″ | Effort P (lb) max | Wt @5ft lift (lb) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MM003 | 1/4 t / 550 lb | 1 | C4X12Z | 9.1 | 3.9 | 4.3 | 1.9 | 0.6 | 1.0 | 4.3 | 26 | 7.7 |
Dimensions in inches. Select model below; pricing by quote.
Safety & Standards
Every product we carry is individually marked with Working Load Limit (WLL), manufacturer traceability code, and country of origin. Inspection and mill certificates are available on request — email sales@slingcenter.com with your order number.
Governing Standards
- ASME B30.9 — slings (web, round, wire rope, chain) inspection and use
- ASME B30.26 — rigging hardware (shackles, eye bolts, links, turnbuckles)
- ASME B30.10 — hooks
- OSHA 1910.184 and 1926.251 — general industry and construction sling safety
- WSTDA WS-2 and RS-1 — web and round sling design
- 49 CFR 393.102 to 393.130 — DOT cargo tie-down
- NACM — welded steel chain grade specs
Inspection & Safety
Before every use: visual check for cracks, corrosion, distortion, wear, and illegible markings. Annually (minimum): documented periodic inspection by a trained inspector. Remove from service at first sign of damage. Never repair rigging hardware by welding, heating, or bending.
WARNING: Improper use of rigging can cause death or serious injury. Never exceed the rated Working Load Limit. Apply derating for side-loading, elevated temperature, or chemical exposure. Final application decisions must be made by a Qualified Person per OSHA 1926.32(m).
AMH Mini-Series MM003 Hand Chain Hoist — Specifications & Dimensions
| Model | WLL | WLL (lb) | Falls | Load chain | A (in) min – headroom | B (in) | C (in) | D (in) | E (in) | F (in) | G (in) | Max. lever effort (lb) | Wt @5 ft lift (lb) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MM003 | 1/4t | 550 | 1 | C4X12Z | 9.1 | 3.9 | 4.3 | 1.9 | 0.6 | 1.0 | 4.3 | 26 | 7.7 |
Dimension letters (A–) correspond to the AMH Mini-Series MM003 Hand Chain Hoist dimensional drawing shown in the gallery. Dimensions in inches unless noted.
Design factor / testing: Load chain = strength of G80; load-tested at 125% capacity (ASME B30)
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