# Allied-Locke Industries, Inc.

This MFR.ID profile was supplied, reviewed, and approved by Allied-Locke Industries, Inc.. Originally approved on 10/29/2025; last updated 7/9/2026. Capability data is manufacturer-approved for public sourcing and RFQ use.

## Profile Links

- Canonical profile: https://mfr.io/alliedlocke
- JSON data: https://mfr.io/alliedlocke.json

## Company Overview

Founded in 1965, Allied-Locke Industries, Inc. manufactures drive and conveyor chains and mating sprockets across five divisions—Agricultural, Precision Roller, Industrial, Sprockets, and Environmental. From its 675,000-ft² Dixon, IL headquarters and a dedicated 90,000-ft² roller-chain plant, plus an 80,000-ft² Union, MS distribution/assembly site, the company controls forming, machining, and captive heat treat to ensure durability and traceability. ISO 9001 registered with API approvals on applicable lines, Allied-Locke supplies U.S. OEMs and end users in agriculture, pulp & paper, water/wastewater, cement, sugar, mining and general industrial markets.

## Quick Reference

- Processes: Precision Roller Chain (ANSI/ISO), Engineering-Class Chain (Conveyor/Drive), Sprockets & Chain Wheels, Chain-Driven Conveyor Systems (Turnkey), Water & Wastewater Chain Systems (Turnkey)
- Lead Time: 4-10 weeks
- Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts)
- Location: Dixon, Illinois 61021
- Employees: 201-500
- Revenue: $10M-$50M
- Founded: 1965
- Contact: info@alliedlocke.com - +1 800-435-7752
- Verified: Manufacturer Approved

## Capabilities

### Precision Roller Chains (ANSI/BS)

Manufacture and supply of ANSI/ISO interchangeable roller chains with tight pitch/length control for precision drives. Offerings span single to multi-strand in standard and heavy series with factory pre-stretch, controlled heat treat, and optional corrosion-resistant or low-maintenance builds. Attachments and special treatments are available without altering the base chain architecture.

- Process: Precision Roller Chain (ANSI/ISO)
- Highlights: Interchangeable with ANSI/ASME B29.1 and ISO 606 sprockets, Single to multi-strand (duplex, triplex, quad+) for higher transmitted horsepower, Factory pre-stretched, heat-treated pins/bushings to limit initial elongation, Corrosion-resistant options: nickel-plated, stainless (304/316), enhanced-coating builds, Lubrication options: standard, O-ring/X-ring sealed, dry/food-grade, self-lubricating, Attachment ecosystem (A/K plates, extended pins, hollow-pin) with tight indexing control, Stocks components; assembles attachment builds to order (A/K plates, extended pins, hollow-pin)
- Subprocesses: ANSI Standard Roller Chains (Single/Multi-Strand), British Standard Roller Chains (BS/DIN), Heavy-Series Roller Chains, Double-Pitch Conveyor Roller Chains, Stainless Steel Roller Chains, Self-Lubricating (SL/SLH) Roller Chains, Hollow-Pin Roller Chains, Oilfield Duty Roller Chains
- Specifications:
  - Strand Count: Single, Duplex, Triplex, Quadruple+ - Matched-length multi-strand sets available for accurate load sharing.
  - Food Contact / Washdown Suitability: Stainless chain + food-grade lubricant, Nickel-plated chain for splash/ non-contact areas, Self-lubricating chain to minimize relube - Selection depends on direct food contact rules, cleaning chemistry, and temperature.
  - Quality System: ISO 9001 - Process control over heat treat, pitch accuracy, and component hardness.
  - Standards Compliance: ANSI/ASME B29.1, ISO 606 - Dimensionally interchangeable with standard roller-chain sprockets and accessories.
  - Lead Time: 4-10 weeks - Common sizes ship quickly; stainless, sealed, or special-coated variants may extend schedule.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Standard ANSI/BS chains available from stock; specials and matched multi-strand sets built to order.
  - Minimum Tensile Strength: 1000-200000 lbf - Size-dependent ultimate tensile strength; heavy and specialty series achieve higher ratings.
  - Recommended Minimum Sprocket Teeth (Driver): 17+ teeth - Higher tooth counts reduce chordal action and improve chain life; smaller sprockets allowed with derating.
  - Pitch Tolerance (Per 12 In): -0.006-0.006 in - Tight length control supports precise indexing and synchronous multi-strand operation.
  - Lubrication Type: Standard oil-lubed, O-ring sealed, X-ring sealed, Self-lubricating (oil-impregnated bushings), Dry / food-grade lubrication - Sealed designs retain lubricant and extend wear life in contaminated or low-maintenance service.
  - Roller Diameter: 0.13-1.88 in - Varies by chain size; larger rollers distribute load and reduce Hertzian contact stress.
  - Overall Width: 0.35-5 in - Outside plate-to-plate width across the chain; increases with size and strand count.
  - Attachment Options: A-plates (A-1/A-2/A-3), K-plates (K-1/K-2), Extended pins, Hollow-pin - Attachments mount tooling or flights without changing base chain geometry.
  - Inner Width B1: 0.125-1.75 in - Defines sprocket tooth width and allowable attachment clearances.
  - Materials & Coatings: Carbon steel (through/ case-hardened components), Stainless steel (304 / 316), Nickel-plated steel, Enhanced corrosion-resistant coating - Material/finish chosen for strength, corrosion class, and sanitation requirements.
  - Operating Temperature Range: -20-300 °F - Standard carbon steel builds. Stainless/ dry-lube variants can extend range—consult engineering.
  - Chain Number / Series: ANSI #25 – #240 (standard), ANSI Heavy Series (H), Double-Pitch (C series), British Standard 06B – 48B - Series selected for load, speed, and sprocket availability; heavy series for shock/impact.
  - Chain Pitch: 0.25-3 in - Covers ANSI sizes typically from #25 (1/4 in) through #240 (3 in).
  - Packaging Lengths: 10 ft box, 50 ft reel, 100 ft reel - Custom cut-to-length with matched multi-strand sets on request.
  - Pre Stretch: Factory pre-stretched - Reduces initial run-in elongation and stabilizes center distance.
  - Elongation Replacement Limit: 3 % - Typical guidance: replace chain at ~3% elongation to preserve sprockets and accuracy.
  - Allowable Working Load: 90-30000 lbf - Application working load depends on duty cycle, lubrication, sprocket size, and environment.

### Engineering-Class Conveyor & Drive Chains

Heavy-duty engineered chains for conveyors and low-speed drives where shock loading, abrasion, or corrosive environments dominate. Architectures include welded-steel, rollerless bushed, forged-rivetless, cast combination, pintle, and mill chains with heat-treated bearing surfaces, serviceable pin/bushing designs, and attachment interfaces for flights and buckets.

- Process: Engineering-Class Chain (Conveyor/Drive)
- Highlights: Broad chain architectures: welded-steel, rollerless bushed, forged-rivetless, cast combination, pintle, mill, High allowable working loads with thick sidebars, robust pins/bushings, and hardened bearing surfaces, Attachment ecosystem for drag/flight/slat conveying and bucket elevators, Field-serviceable designs (cottered/bolted) to replace pins/bushings where applicable, Corrosion/abrasion packages across carbon, alloy, stainless, and coated components, Interchange with common industry series and matching chain wheels/sprockets, Stocks sidebars & bushings; assembles to order to support attachment variants, Cast pintle/detachable offerings are being phased out (while-supplies-last); fabricated welded-steel or bushed/roller alternatives recommended for longevity
- Subprocesses: Welded Steel Mill Chains, Welded Drag Chains, Cast Mill Chains, Combination Chains, Bushed Roller Chains, Offset Sidebar Chains, Drop-Forged Rivetless Chains, Bucket Elevator Chains & Attachments
- Specifications:
  - Case Depth (Pins): 0.02-0.06 in - Typical effective case for carburized pins; deeper cases for severe abrasion.
  - Recommended Speed Range (Conveyor Service): 10-250 fpm - Low-to-moderate speeds minimize wear and carry-back in abrasive materials.
  - Sidebar Height: 1-6 in - Taller sidebars increase section modulus for shock and side-load resistance.
  - Typical Applications: Drag/flight conveyors (grain, biomass, chips), Mill and log deck conveyors, Bucket elevators (cement, grain), Steel/foundry transfer and draw benches, Mining and aggregate handling - Engineered for high load, shock, and abrasive environments in continuous service.
  - Attachment Pattern / Hole Geometry: Weld-on tabs and scraper lugs, Drilled hole pairs on 2.0–6.0 in centers, Offset sidebar holes for flight bars, Bucket lugs and slotted ears - Patterns align with flight, scraper, or bucket spacing; custom hole/slot geometry available.
  - Bushing/Barrel Diameter: 0.5-2.5 in - Hardened bushings provide wear surfaces for pins and flight attachments.
  - Corrosion / Environment Class: Outdoor / weather-exposed, Abrasive (aggregate, foundry sand), Immersion / wet service, Washdown / chemical exposure - Select stainless, coated, or polymer wear elements to suit environment and cleaning chemistry.
  - Chain Type / Style: Welded-steel (mill/drag), Rollerless bushed, Forged-rivetless (X-type), Cast combination, Pintle, H-Class / mill chain - Select style based on load, debris shedding, serviceability, and available attachments.
  - Pin Diameter: 0.375-2 in - Larger pins increase bearing area and shear capacity; cottered or riveted retention per series.
  - Lubrication: Manual drip/brush, Automatic lubrication system, Dry film in contamination-sensitive areas - Lubrication strategy balances wear life with material contamination and housekeeping.
  - Lead Time: 4-10 weeks - Stock components: 4–10 weeks. Industrial/custom chain builds: typically 20–30 weeks (30–40 weeks possible); only ~30% of industrial chain is stocked.
  - Standards & Interchangeability: Industry-standard series geometry (e.g., WH/WDH, H-Class, CC, X-type), ISO 9001 quality system controls - Dimensional interchange supports drop-in replacement with matched sprockets/chain wheels.
  - Pitch: 2-8 in - Covers common engineered-chain families; larger/smaller pitches available on request (examples include water-screen chain ≈24 in and block-and-bar ≈12 in).
  - Sprocket / Chain Wheel Compatibility: Welded-steel chain wheels, Cast-iron/steel chain wheels, Segmented/replaceable-tooth sprockets, Induction-hardened teeth for abrasive duty - Tooth form and pitch matched to chain series; segmented rims ease field replacement.
  - Sidebar Thickness: 0.25-1 in - Heavier plates recommended for abrasive service and long center distances.
  - Allowable Working Load: 500-40000 lbf - Varies by chain series/pitch; verify with application duty, sprocket size, and temperature.
  - Ultimate Tensile Strength: 10000-200000 lbf - Size- and series-dependent; heavy constructions and special alloys achieve higher UTS.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Short-lead standard series; custom alloys, coatings, or attachments built to order.
  - Serviceability Features: Cottered pins for field replacement, Bolted/welded attachments, Matched-length twin strands - Speeds maintenance and keeps flight alignment across wide beds.
  - Operating Temperature Range: -20-400 °F - Standard steels and lubricants; consult for high-temp alloys or special greases.
  - Material & Heat Treatment: Medium-carbon steel sidebars (through-hardened), Alloy-steel pins (carburized or induction-hardened), Hardened bushings/barrels, Stainless options for immersion/corrosion, Cast/manganese alloy links for impact/abrasion - Material set tailored to load, wear, and corrosion class; mixed metallurgy common in engineered chain.
  - Surface Hardness (Pins/Bushings): 50-62 HRC - Hardened bearing surfaces maximize wear life under boundary lubrication.
  - Roller Diameter (If Applicable): 1-3.5 in - Used on certain bushed/rollered constructions to reduce sliding friction on wear bars.

### Sprockets & Chain Wheels

Toothed drive and idler wheels machined to pitch-matched profiles for ANSI/ISO roller chain and engineering-class chain. Offered as plate or hubbed (A/B/C), split, and idler styles with pilot or finished bores and interchangeable bushings (Taper-Lock/QD). Options include induction-hardened teeth, balanced machining, and corrosion-optimized materials/coatings.

- Process: Sprockets & Chain Wheels
- Highlights: Pitch-accurate tooth forms for ANSI/ISO roller and engineering-class chain profiles, Hub styles A/B/C, plate and split designs for retrofit-friendly installation, Pilot, finished, Taper-Lock, and QD bores; keyways per ANSI B17.1, Induction-hardened teeth for extended wear in abrasive duty, Carbon/stainless steels and engineered polymer tooth segments for corrosion/noise reduction, Concentric, balanced machining to minimize runout and vibration at speed
- Subprocesses: A-Plate Sprockets, B-Hub Sprockets, C-Hub Sprockets, Split Sprockets, Segmented Sprockets (Replaceable Rim Segments), Taper-Lock / QD Bushed Sprockets, Multi-Strand (Duplex/Triplex) Sprockets, Large Fabricated Chain Wheels / Bull Gears
- Specifications:
  - Chain Standard: ANSI/ASME B29.1 (roller chain), ISO 606 (roller chain), Engineering-class chain wheel profiles - Tooth geometry and pitch diameter sized to the specified chain standard for proper meshing.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Typical sprocket orders are 1–2 pcs; volume varies by request. One-off customs through large OEM batches supported.
  - Pitch Diameter: 6-72 in - Derived from chain pitch and tooth count; governs center distance and wrap angle.
  - Material: Carbon steel (e.g., 1045), Cast iron / ductile iron, Stainless steel (304/316), Polymer tooth segments on cast/steel hub - Material chosen for load, corrosion, and noise; polymer segments favored in wet, corrosive service.
  - Surface Finish / Coating: Plain oiled, Black oxide / phosphate, Epoxy paint (industrial), Zinc or nickel plating - Finish selected for corrosion protection, sanitation, or paint system compatibility.
  - Face Width: 0.25-6 in - Set by chain width/strand count and desired lateral guidance.
  - Bore Size Range (Finished): 0.5-6 in - Larger bores available on fabricated/segmented chain wheels; consult for keyless couplings.
  - Hub Style: A-plate (no hub), B-hub (single hub), C-hub (double hub), Split sprocket (2-piece) - Split designs simplify field replacement on fixed shafts; A-plate minimizes axial envelope.
  - Bore Type: Pilot bore, Finished bore with keyway/set screws, Taper-Lock bushing, QD bushing - Interchangeable bushing systems enable rapid shaft size changes and simplify installation.
  - Tooth Count: 8-180 teeth - Higher tooth counts reduce chordal action and chain wear; low tooth counts increase torque density.
  - Outside Diameter: 6.5-75 in - Varies with rim thickness and tooth form; larger OD common on segmented chain wheels.
  - Lead Time: 2-6 weeks - Common ANSI sprockets ship quickly; large fabricated/segmented wheels and hardened teeth extend schedule.
  - Mounting Features: Keyed bores, Set screw collars, Dowel alignment for split rims, Bolt circles for segmented rims - Features selected for torque, axial location, and ease of field service.
  - Runout (TIR): 0.002-0.02 in - Total Indicator Runout limits depend on OD and hub style; tighter runout reduces vibration at speed.
  - Chain Pitch: 1.5-8 in - Quotes ANSI #120 (1.5 in pitch) and up; small ANSI sprockets below #120 are not quoted. Special pitches on request.
  - Tooth Hardness (Induction Hardened): 50-62 HRC - Hardened tooth flanks extend wear life on abrasive duty while preserving a tough core.
  - Keyway Standard: ANSI B17.1 - Standard inch keyways; metric keyways available to ISO where required.
  - Operating Temperature Range: -20-400 °F - Polymer tooth segments typically serviceable to ~180 °F; stainless/steel rims support higher temperatures.
  - Packaging / Sizes: Standard ANSI sprockets (off-the-shelf), Custom large chain wheels (fabricated/segmented) - Standard items ship rapidly; large custom wheels built to print with optional hardened teeth.
  - Balancing (Optional): Static balance, Dynamic balance (ISO G6.3 / G16) - Recommended for high RPM drives or large diameter sprockets to minimize vibration.

### Agricultural Chains & Conveyor Assemblies

Design and supply of turnkey chain-driven conveyor assemblies for grain/silage and general industrial transfer. Systems are engineered around welded-steel, drop-forged rivetless, or bushed chain with matched flights, sprockets, take-up, wear surfaces, and drives—sized for duty cycle, conveyed material, and environment.

- Process: Chain-Driven Conveyor Systems (Turnkey)
- Highlights: Complete chain + flight + sprocket + wear + drive packages configured to application, Supports welded-steel, forged rivetless, rollerless bushed, and agricultural pintle/detachable chain styles, Pre-matched twin-strand sets for alignment-critical conveyors and bucket elevators, In-house heat-treat and controlled pitch accuracy on chain components to extend wear life, Corrosion/abrasion packages: carbon steel, 304/316 stainless, galvanized or epoxy-coated steel, UHMW wear surfaces, Service-friendly layouts with guarded drives, inspection doors, tool-less wear-strip access, and standard take-ups, Agricultural cast chain variants discontinued/while-supplies-last; fabricated steel & bushed constructions preferred for longevity
- Subprocesses: Steel Pintle Chains, Steel Detachable Chains, Agricultural Roller Chains with Attachments, T-Bar Chains, T-Rod Chains, Gathering / Conveyor Chain Assemblies, Agricultural Elevator Chains (CA Series)
- Specifications:
  - Standards & Compliance: ANSI B29 chain compatibility, ISO 9001 quality system, OSHA guarding practices - Sprockets and chain interfaces conform to applicable industry dimensions; guarding configured per site requirements.
  - Sprocket Tooth Count: 8-60 teeth - Tooth count selected to control chordal action, speed, and wear. Pitch matches selected chain.
  - Strand Count: Single-strand, Twin-strand (matched length) - Twin strands supplied as matched sets to maintain flight alignment across width.
  - Flight Material: UHMW, Carbon steel, Stainless steel (304/316), FRP - Material selected for friction, corrosion, temperature, and impact requirements.
  - Sprocket Materials: Cast iron, Carbon steel, Stainless steel (304/316), Polymer teeth on cast hub - Induction-hardened tooth options for wear; polymer teeth favored in corrosive/wet environments.
  - Flight Profile: C-channel, Box, Flat - Profile chosen to balance burden depth, rigidity, and carry-back control.
  - Chain Lubrication: Manual drip, Brush application, Automatic lubrication system - Lubrication approach tailored to chain style and contamination sensitivity.
  - Maximum Incline: 0-35 % - Flighted drag/apron configurations support steeper inclines than flat slat designs.
  - Conveyor Type: Drag / flight, Slat / apron, Scraper - Architecture selected by material abrasiveness, particle size, moisture content, incline, and housekeeping needs.
  - Chain Pitch: 1-4 in - Typical agricultural chain pitches run 1–4 in across ag roller, steel pintle, and steel detachable. Other pitches available to suit legacy equipment.
  - Environment Class: Outdoor, Washdown, Abrasive, Food-adjacent (non-contact) - Drives and coatings configured per environment; guarding per OSHA best practices.
  - Typical Bill Of Materials: Chain (welded-steel / rivetless / bushed), Flights (UHMW / steel / FRP), Wear strips (UHMW / AR steel), Sprockets (cast iron / steel / stainless / polymer teeth), Drive package (gearbox + motor + backstop as needed), Take-up hardware and guards - Material mix finalized to duty cycle, corrosion class, temperature, and cost targets.
  - Take Up Style: Screw, Gravity, Hydraulic - Selected for available footprint, tension stability, and maintenance preference.
  - Conveyor Width: 12-84 in - Standard bed widths; custom widths available for OEM retrofits.
  - Drive Type: Shaft-mounted gearmotor with torque arm, Right-angle helical gearbox + motor, Inline helical gearbox + motor - Configured with backstop where anti-runback is required on inclines.
  - Flight Height: 2-8 in - Higher flights for greater burden depth and increased capacity.
  - Flight Thickness: 0.125-0.375 in - Heavier gauges recommended for abrasive aggregates and long center distances.
  - Inspection & Service: Tool-less wear-strip access, Inspection doors, Removable guards - Speeds routine inspection and replacement of consumables.
  - Speed Range: 10-300 fpm - Lower speeds reduce wear in abrasive service; higher speeds suit light, free-flowing material.
  - Dust Control Interfaces: Sealed covers and hoods, Vent/collector ports, Inlet/outlet skirting - Provisioned for grain dust mitigation and housekeeping compliance.
  - Throughput / Capacity: Up to 10000 ft³/hr - Actual capacity set by burden depth, flight pitch, bed width, and bulk density (e.g., grain vs. aggregate). Max shown is a typical upper bound; higher on request.
  - Lead Time: 4-8 weeks - Stock components shorten delivery; custom widths/materials and coatings extend schedule.
  - Drive Power: 1-150 hp - Power derived from friction, lift, and throughput; verified against service factor.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Pre-assembled matched-length chain/flight sets available for rapid installation; kitting offered for OEM lines.
  - Operating Temperature Range: -20-300 °F - UHMW wear components typically serviceable to ~180 °F; steel/stainless components up to ~300 °F continuous.
  - Center Distance / Overall Length: 10-300 ft - Modular sections allow field-adjustable lengths, transitions, and discharge points.
  - Chain Style: Welded-steel, Drop-forged rivetless, Rollerless bushed, Agricultural pintle / detachable - Chain style chosen for load capacity, debris shedding, and maintenance preferences. Cast detachable/pintle variants are being phased out; steel detachable and fabricated alternatives supported.
  - Wear Surface Material: UHMW, AR steel, Stainless steel - UHMW for low friction and corrosion resistance; AR steel for impact/abrasion; stainless for washdown.

### Water & Wastewater Chain Systems

Engineered chain-and-flight collector/clarifier systems for municipal and industrial water/wastewater treatment. Supplied as drop-in packages with immersion-duty chain (non-metallic or stainless), sprockets, shafts, flights, wear rails, take-up, and drive assemblies—configured to tank geometry, water depth, and solids load for continuous 24/7 operation.

- Process: Water & Wastewater Chain Systems (Turnkey)
- Highlights: Turnkey chain-and-flight systems tailored to tank width/span and process loads, Non-metallic (polymer) or stainless chain with compatible polymer/metal sprockets, UHMW/FRP flights and wear strips for low friction and corrosion resistance, Drive and take-up assemblies sized for continuous service with service factor margin, Field-serviceable components (pins, segments, wear shoes) to minimize downtime, Material packages for chlorinated, brackish, or chemical environments
- Subprocesses: Non-Metallic Clarifier Collector Chains, Stainless-Steel Clarifier Collector Chains, Cast-Alloy Clarifier Collector Chains, Composite Bull Gears (Polymer Teeth on Metal Hub), Non-Metallic Idler Sprockets, Clarifier Flight Assemblies (FRP/Steel), Grit Collector Chain & Bucket Systems, Bar-Screen / Traveling-Screen Drive Chains
- Specifications:
  - Chain Type: Non-metallic polymer chain (collector/clarifier duty), Stainless steel chain (78-series style), Cast/alloy steel chain (immersion-rated, where specified) - Chain architecture chosen for corrosion class, load, and maintenance strategy.
  - System Type: Rectangular clarifier collector, Grit collector / scraper, Bar screen / traveling screen interface - Configuration selected to match process (settling, grit removal, screening) and channel/tank geometry.
  - Installation Interfaces: Anchor bolt patterns per tank drawings, Head/tail shaft center distances, Flight drilling pattern and attachment hardware - Delivered as a coordinated kit for drop-in retrofit or new install; submittal drawings provided for approval.
  - Take Up Style: Screw, Gravity - Selected for footprint and maintenance preference; provides chain tension stability over thermal/creep changes.
  - Chain Pitch: 6-6 in - 6 in pitch typical for rectangular collectors; other pitches available for legacy retrofits.
  - Lead Time: 6-10 weeks - Standard components enable mid-range lead times; non-standard widths, materials, or drive packages may extend schedule.
  - Wear Strip / Rail Material: UHMW, Bronze, Stainless steel - UHMW for low friction and chemical resistance; bronze/stainless used at high load or temperature interfaces.
  - Sprocket / Bull Gear Material: Polymer teeth on cast hub, 304 stainless steel, 316 stainless steel - Polymer segments eliminate corrosion and simplify tooth replacement; stainless used for fully metallic builds.
  - Flight Profile: Straight, Box / reinforced, Tapered - Profile chosen for span rigidity and scraping efficiency; drilling pattern matched to chain attachments.
  - Duty Cycle: Continuous 24/7 operation - Drives, bearings, and wear components specified for continuous service with periodic inspection intervals.
  - Design Life: 10-25 years - Project-specific; many municipal specifications target a 20-year service life with planned maintenance.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Component-only kits or full system packages available; multiple clarifier trains supported in parallel builds.
  - Flight Spacing: 6-12 ft - Spacing set by tank length, rake coverage, and target sludge transport rate.
  - Service Factor: 1.5-2 SF - Accounts for shock, start/stop cycles, and continuous operation.
  - Drive Power: 1-15 hp - Sized from chain pull, flight drag, submergence, and duty cycle with service factor margin.
  - Immersion / Corrosion Class: Chlorinated fresh water, Seawater / brackish, Industrial chemical exposure - Materials and coatings configured to resist pitting, stress corrosion cracking, and chemical attack.
  - Design Speed: 1-5 fpm - Slow, continuous motion minimizes turbulence and wear while maintaining solids transport.
  - Sprocket Tooth Count: 11-48 teeth - Tooth count chosen for wrap angle and chain life at the specified speed and load.
  - Operating Temperature Range: 32-180 °F - Typical immersion duty; polymer components generally limited to ~180 °F. Stainless-only systems can exceed this—consult engineering.
  - Flight Material: UHMW (polyethylene), FRP (fiberglass-reinforced plastic), Stainless steel - Material selected for corrosion, stiffness, and weight; UHMW offers low friction and chemical resistance.
  - Tank / Channel Envelope: Min: 40L x 6W ft, Max: 300L x 30W ft - Typical rectangular clarifier spans; systems are configurable outside these ranges with project engineering.
  - Quality & Compliance: ISO 9001 quality system, NSF/ANSI 61 potable-water materials (on request), Submittal/approval drawings prior to fabrication - Compliance and documentation configured per municipal/industrial specifications.

## Certifications

- ISO 9001:2015 (Type: Certification; Authority: International Organization for Standardization (ISO); Status: Active; Scope: ISO 9001 quality management system covering chain and sprocket manufacturing at Dixon, IL operations.; URL: https://www.iso.org/iso-9001-quality-management.html)
- Made in USA (Domestic Manufacturing) (Type: Compliance; Authority: U.S. Federal Trade Commission (FTC); Status: Active; Scope: Products manufactured domestically in the United States.; URL: https://www.ftc.gov/business-guidance/resources/complying-made-usa-standard)

## Industries Served

- Bearings & Power Transmission Components: Allied-Locke Industries, Inc. manufactures power-transmission components—precision roller chains and mating sprockets—engineered and assembled for use in bearing and drivetrain assemblies that transmit motion and torque in industrial equipment.
- Agriculture & AgriTech: Allied-Locke manufactures agriculture-duty chains—ag roller, steel pintle, and steel detachable—with matched sprockets for tractors, harvesters, and crop-handling equipment. Typical pitches run 1–4 in; cast variants are being phased out (while-supplies-last) in favor of fabricated steel constructions for longer service life.
- General Manufacturing: Allied-Locke produces precision roller chain, engineered industrial chains, and sprockets/chain wheels with in-house fabrication and assembly used as drive and conveyor elements. Sprockets are quoted from ANSI #120 (1.5 in pitch) and up, with typical pitch diameters from 6–72 in for general industrial machinery.
- Water & Waste-Water Treatment: Allied-Locke supplies environmental products — including large-pitch water-screen chain (≈24 in pitch), sprockets, and fabricated components — deployed in water & wastewater equipment such as screen drives, clarifier collectors, conveyors, and sludge-handling systems.
- Pulp, Paper & Wood Products: Allied-Locke Industries, Inc. provides sprockets, precision roller chains, and assembled chain drives tailored for forest-products and pulp/paper equipment, serving applications like log conveyors, chip handling, and sawmill material transport.

## Facilities

### Plant 1 - Dixon, IL

Allied-Locke’s HQ campus in Dixon spans ~675,000 ft² and integrates raw-steel processing, link forming/casting, sprocket machining, captive heat treat (batch IQ and mesh-belt lines), and automated assembly under an ISO 9001 QMS. Minutes from I-88, the site combines manufacturing, warehousing and corporate offices for fast regional shipping and national LTL reach.

- Type: manufacturing_facility
- Headquarters: Yes
- Email: info@alliedlocke.com
- Phone: +1 800-435-7752
- Address: 1088 Corregidor Road, Dixon, Illinois 61021, United States

### Plant 2 - Dixon, IL (roller chain)

Plant 2 in Dixon is a ~90,000-ft² facility dedicated to Precision Roller Chain. The site concentrates high-throughput chain assembly, cutting/riveting and product staging adjacent to the HQ campus, leveraging shared heat-treat and QC resources to improve flow, quality, and short lead times.

- Type: manufacturing_facility
- Email: info@alliedlocke.com
- Phone: +1 800-435-7752
- Address: 1020 Subic Road, Dixon, Illinois 61021, United States

### Union, MS Warehouse / Secondary Facility

Union, MS is an ~80,000-ft² distribution and secondary assembly site established via the Southeast Chain acquisition. It stocks chains and sprockets for the Southeast, performs final assembly/cut-to-length as needed, and shortens delivery for forestry and industrial customers via proximity to Gulf-region freight routes.

- Type: distribution_center
- Email: info@alliedlocke.com
- Phone: +1 800-435-7752
- Address: 224 Industrial Circle, Union, MS 39365, USA

## Verification Status

- Business Entity: Verified 8/27/2025
- Technical Capabilities: Verified 10/29/2025
- Locations & Facilities: Verified 8/27/2025
- Reviews & Ratings: Not yet verified
- MFR.ID Created: 8/27/2025
- Last Updated: 7/9/2026