FLS Fuller-Traylor SAG / AG Mills

Identify wear parts and spares by installed dimensions, support and drive configuration, then review part positions, materials, drawing numbers and enquiry requirements on one page.

Official FLS SAG/AG mill machine image
Official FLS SAG/AG mill image for checking shell support, feed end and overall configuration.
Official FLS SAG/AG mill top view
Official FLS top view. Installation identification also requires diameter, effective length, support and drive arrangement.
Official FLS SAG mill internal liner photo
Official FLS SAG mill interior photo. Check feed end, shell and discharge end liners separately by position.
OEM Equipment Details

Dimensions, parts and materials on one page

The current published Fuller-Traylor SAG/AG mill range has diameters of 4.3–12.2 m and installed power up to 28,000 kW. Spare identification also requires effective length, serial number, general arrangement drawing, support and drive configuration.

4.3–12.2 m Published diameter range
28,000 kW Published maximum power
10 Core wear part positions
6 Mechanical spare categories
Series and key dimensions

FLS SAG/AG installation identification

This FLS family is identified by project dimensions and configuration. Only official published ranges are listed; independent model codes are not invented.

Series / configurationOfficially published dimensions or parametersKey spare identification checks
Fuller-Traylor SAG MillDiameter 4.3–12.2 m; installed power up to 28,000 kW; ball charge 6–15%Diameter × effective length, serial number, feed/discharge direction, liner segmentation and drive configuration
Fuller-Traylor AG MillWithin the same published 4.3–12.2 m diameter range; autogenous grinding uses ore without steel ball mediaDiameter × effective length, serial number, discharge method, liner system and support structure
Support arrangementTrunnion-supported or shell-supportedGeneral arrangement drawing, foundation interfaces, bearing type and journal or shell load-bearing structure
Drive typeHigh-speed geared, low-speed direct or gearless drives; gear-driven arrangements may use single or dual pinions, with published single-pinion references up to 10,000 kWGirth gear, pinion, drive shaft, coupling, reducer or ring motor interfaces
Discharge configurationTrommel or vibrating screen; published FLS AG/SAG trommel diameters reach 6.0 mDischarge grates, pulp lifters, discharge cone, trommel interfaces and rotation direction
Wear Parts

Feed end, shell and discharge end wear systems

Impact, abrasion and slurry erosion differ between positions within the same mill. Cards identify positions and candidate materials; confirm final requirements against installation drawings, drawing numbers, hole patterns and operating conditions.

Feed throat liner identification image
01

Feed Throat Liners

Feed Chute / Throat Liner

These withstand direct coarse-ore impact and sliding wear. Check inlet profile, flange interface, hole pattern and clearance to the feed chute.

Material Selection:Chromium-molybdenum alloy steel; steel-rubber composite designs may be assessed after confirmation against installation drawings.

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Inner feed head liner identification image
02

Inner Feed Head Liners

Inner Feed Head Liner

These protect the inside of the feed head against combined ore impact, abrasion and slurry erosion. Confirm segment boundaries and thickness against installation drawings.

Material Selection:Chromium-molybdenum alloy steel or steel-rubber composite liners; confirm the material system according to impact energy and wear zones.

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Outer feed head liner identification image
03

Outer Feed Head Liners

Outer Feed Head Liner

These cover high-impact areas around the outer feed head ring. Check installation relationships together with inner head liners, shell liners and fasteners.

Material Selection:Chromium-molybdenum alloy steel prioritizing toughness and impact resistance. Confirm composite designs against the original interfaces.

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Shell liner and lifter identification image
04

Shell Liners and Lifters

Shell Liner & Lifter Bar

These control the charge lifting trajectory and protect the shell. Profiles, lift height, segmentation and bolt hole patterns directly affect grinding and liner life.

Material Selection:Chromium-molybdenum alloy steel or steel-rubber composite liners; different positions may require different property gradients.

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Discharge grate identification image
05

Discharge Grate

Discharge Grate

Grates control discharge passages and withstand slurry erosion, ore impact and blockage loads. Opening shape, open area and rear support must be compatible.

Material Selection:Chromium-molybdenum alloy steel; confirm local material and heat treatment against grate thickness, openings and impact conditions.

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Intermediate discharge-end liner identification image
06

Intermediate Discharge-End Liners

Discharge Middle Liner

These connect the grate and end liner systems. Check radial position, adjacent overlaps, fastening direction and wear allowance.

Material Selection:Chromium-molybdenum alloy steel or composite designs, selected for discharge-end impact and slurry erosion.

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Outer pulp lifter identification image
07

Outer Pulp Lifters

Outer Pulp Lifter

These direct slurry passing through the grates toward the discharge passage. Flow cross-section, rotation direction and adjacent grate positions must match the installation.

Material Selection:Impact-resistant alloy steel or rubber composite designs, with emphasis on passage wear and blockage risk.

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Inner pulp lifter identification image
08

Inner Pulp Lifters

Inner Pulp Lifter

Located inside the discharge system, these transport slurry and control backflow. Check flow direction, blade height and assembly sequence.

Material Selection:Impact-resistant alloy steel or rubber composite designs, confirmed against slurry velocity, particle size and wear zones.

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Discharge cone identification image
09

Discharge Cones

Discharge Cone

These connect pulp lifters to the discharge trunnion passage. Check cone profile, segmentation, flange hole patterns and discharge direction.

Material Selection:Chromium-molybdenum alloy steel or composite liners, confirmed against impact, erosion and maintenance lifting weight.

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Filler ring and sealing liner identification image
10

Filler Rings and Sealing Liners

Filler Ring & Sealing Liner

These fill gaps, cushion and seal within the liner system. Match compression, groove profile, fluid and adjacent metal part dimensions.

Material Selection:Wear-resistant rubber or polyurethane systems; confirm hardness, rebound and fluid resistance against operating conditions.

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Spare Parts

Gear pairs, trunnions, bearings and heavy-duty drive assemblies

Gear drives, trunnion support and shell support require different spares. Establish individual matches after receiving the full installed model, serial number, general arrangement drawing and OEM or third-party drawing number.

Drive pinion identification image
01

Drive Pinion

Pinion

For gear-driven configurations. Check tooth count, module, pressure angle, helix angle, journals, tooth accuracy and heat treatment together with the girth gear.

Material Selection:Forged transmission alloy steel; confirm grade, hardened layer and tooth requirements against original drawings and acceptance standards.

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Girth gear identification image
02

Girth Gear

Girth Gear / Ring Gear

For single- or dual-pinion drives. Confirm split joints, tooth geometry, runout, mating marks and installation datums as a system.

Material Selection:Cast or forged transmission alloy steel; follow installation drawings for material, heat treatment and non-destructive testing.

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Mill trunnion identification image
03

Mill Trunnions

Mill Trunnion

These carry loads and provide feed/discharge interfaces on trunnion-supported mills. Check flanges, journals, bores, fillets, concentricity and bearing fits against the general arrangement drawing.

Material Selection:Cast- or forged-steel structures; confirm material properties, heat treatment, non-destructive testing and dimensional tolerances against the original design.

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Trunnion bearing liner and main bearing identification image
04

Trunnion Bearing Liners and Main Bearings

Trunnion Bearing & Bearing Bush

For sliding bearing configurations. Check journal diameter, bearing surface radius, oil grooves, temperature measurement holes, and Babbitt layers or copper alloy structure.

Material Selection:Bearing alloys, copper alloys or the original composite bearing liner system. Confirm load capacity, lubrication and repair allowance against drawings.

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Heavy-duty drive assembly identification image
05

Heavy-Duty Drive Assemblies

Heavy-Duty Drive Components

These include drive shafts, couplings, reducer interfaces, shaft sleeves and fasteners. Identify them separately for high-speed geared, low-speed direct or gearless drives.

Material Selection:Transmission alloy steel and matching bearing materials; confirm strength, fatigue, surface treatment and fit accuracy against original drawings.

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Liner fastening and sealing assembly identification image
06

Liner Fastening and Sealing Assemblies

Liner Fastener & Seal Set

These include liner bolts, nuts, washers, gaskets and associated clamping parts. Confirm bolt grade, length, head type and hole positions together with the liners.

Material Selection:High-strength fastener steel and fluid-resistant elastomer seals, selected according to preload, corrosion and maintenance practice.

Submit Drawings and Numbers →
Drawing and spare part numbers

Checking known OEM or third-party numbers

Unverified numbers are not published. Submit FLS, Fuller-Traylor or third-party drawing numbers with equipment model, serial number, installation position, drawing revision and critical dimensions. Verified matches are recorded on the relevant part page.

How is an installed FLS SAG/AG mill identified?

Use the equipment nameplate, serial number, mill diameter and effective length, support arrangement, drive configuration and general arrangement drawing together. Appearance alone is insufficient.

Can I enquire with only a third-party drawing number or used-part photos?

Start by submitting the third-party drawing number, matching equipment model, installation position, used-part photos and critical dimensions. These support checks against OEM drawing numbers, the BOM and installation drawings.

Must every liner in a mill use the same material?

Not necessarily. Feed end, shell, discharge end and pulp discharge systems operate under different conditions. Confirm material and structure separately by position, failure mode and original design.

Submit FLS SAG/AG mill dimensions, serial numbers, drawing numbers or used-part information

Provide diameter × effective length, support and drive arrangements, serial number, installation position, OEM/third-party drawing numbers, used-part photos, drawings and operating conditions. We use these to identify parts, assess materials, match manufacturing requirements, control quality and deliver finished components.

Manufacturing Services in China

From Technical Assessment to Finished-Part Delivery

ANRANST provides customers worldwide with engineering assessment, production at certified foundries to drawing, quality control and finished-part delivery for custom wear parts and industrial spares, with scope to support other custom industrial parts.

01

Drawing and Engineering Review

We review mating surfaces and interface dimensions and assess material, heat treatment and manufacturing feasibility.

02

Material and Heat-Treatment Specification

Material grades and heat-treatment processes are specified order by order, confirmed in the technical agreement and tracked through production.

03

Quality Control

Drawing confirmation, material and process control, production tracking, inspection and acceptance coordination.

04

Finished-Part Delivery

We coordinate manufacturing, quality confirmation, packaging and delivery of complete finished parts in a workable, closed-loop supply process.

Provide the existing model, drawings, drawing or part numbers, materials or operating conditions so we can identify the appropriate technical review and supply route.

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