Cat 8000, 8200 و 8750 الحفارة الجرارة الطرازات وقطع الغيار| ANRANST

Official Cat 8750 mine-site photograph showing the boom, machinery house, tub, swing support and walking mechanism.

Official Cat 8750 operating photograph showing the bucket, hoist ropes, drag ropes and connections.

Official side view of a working Cat 8750. Check 8000 and 8200 structures, dimensions and spares against their respective model documentation.

OEM المعدات التفاصيل

Identify 8000, 8200 or 8750 first, then locate the bucket, swing and walking components

Cat's current large dragline catalogue includes 8000, 8200 and 8750. Bucket capacity, boom length and machine weight differ substantially. Buckets, ropes, gearboxes, swing and walking parts cannot be treated as interchangeable merely because they are Cat dragline parts. Manufacturing requires the complete model, serial number, assembly number, drawing reference or physical survey.

3 Standard series on the current official site

24–116 m³ Published bucket-capacity range

75–132.5 m Published boom-length range

12 قطع الغيار المستهلكة and Key Spare Part Categories

Standard Models and Key Dimensions

Current Cat 8000, 8200 and 8750 models and key dimensions

Models, bucket capacities, boom lengths and approximate operating weights below come from Caterpillar's current individual model pages and support initial machine and spare-part identification.

Standard Models	Bucket capacity	Boom length	Published approximate operating weight
8000	24–34 m³	75–101 m	1,770,000–1,988,000 kg
8200	46–61 m³	100 m	3,800,000–4,100,000 kg
8750	76–116 m³	109.7–132.5 m	5,800,000–7,500,000 kg

Published ranges do not define every machine configuration. Provide complete model, serial number, bucket specification, boom length, installation position, assembly number, OEM or third-party drawing reference, revision and used-part information.

قطع الغيار المستهلكة

Bucket, drag-linkage, rope-contact and walking-structure wear parts

Official Cat machine images identify equipment and installation areas. Generic component images illustrate part categories and do not establish Cat OEM interchangeability. Materials are engineering options requiring confirmation against drawings, loads, conditions, failure modes and original-part testing.

Bucket teeth and adapters

Bucket Teeth & Adapters

Fit the dragline bucket cutting edge and withstand impact, compression and abrasive wear during digging. The image illustrates a component category, not Cat OEM interchangeability. Check 8000, 8200 or 8750, bucket capacity, tooth system, locking structure and position.

Material Selection:Assess high-strength, tough wear-resistant alloy cast steel, balancing hardness, hardenability, fracture resistance and heavy-section quality.

Cr-Mo wear-resistant alloy cast steel Special wear-resistant alloys

View the bucket tooth product page →

Lip, wear blocks and side cutting edges

Bucket Lip, Shrouds & Side Cutters

Protect the lip, leading edge and high-wear side zones and share digging loads with the tooth system. Check lip profile, block positions, holes, locking interfaces and adjacent adapters.

Material Selection:Prioritise strong, tough wear-resistant alloys for high-impact lips and blocks. Surface hardness alone is insufficient; locking zones and stress concentrations need crack resistance.

Chromium-Molybdenum Alloy Steel High-strength, tough wear-resistant alloys

View lip and wear-block components →

Bucket liners and external wear plates

Bucket Liners & Wear Plates

Cover the floor, sides, back and local erosion zones, with replacement divided by wear map. Provide bucket assembly drawings, plate positions, curvature, thickness, holes and connections.

Material Selection:Assess quenched and tempered wear plate for formable liners and alloy castings for complex heavy blocks. Do not apply one hardness to every position.

Quenched and Tempered Wear Plate Wear-resistant alloy cast steel

View bucket liners →

Drag chains, dump chains and connectors

Drag/Hoist Chains, Shackles & Rigging قطع الغيار المستهلكة

Bucket drag, hoist and dump connections include chains, shackles, equaliser beams, pins and rope terminations. Check the complete system against bucket, reeving arrangement, chain diameter, pitch, connection dimensions and safety class.

Material Selection:Chain links, shackles and pins require resistance to cyclic tension, bending impact and wear. Confirm alloy steel, heat treatment, non-destructive testing and load tests.

Alloy steel for heavy-duty chains, pins and connectors

View pins and connectors →

Sheave grooves, rope guides and rope-contact wear parts

Sheave Grooves, Fairleads & Rope Wear Interfaces

Hoist and drag ropes generate high contact pressure and cyclic wear at sheaves and guides. Check rope diameter, groove profile and root radius, sheave diameter, bearing arrangement and mounting datums.

Material Selection:Balance surface wear resistance, contact fatigue and core toughness for sheaves and guides. Confirm alloy steel, groove-surface strengthening and non-destructive testing.

Alloy steel for sheaves, rope guides and shafts

View wire ropes and heavy-duty assemblies →

Tub, walking shoes and structural wear plates

Tub, Walking Shoes & Structural Wear Plates

The tub, walking shoes and contact zones carry enormous machine loads, sliding wear and ground impact. Cat 8750 information also describes wear-resistant plate in the tub frame. Distinguish structural components, replaceable wear plates and walking-mechanism parts.

Material Selection:Assess quenched and tempered plate for replaceable wear surfaces. Confirm large load-bearing castings, forgings and weldments against original material, welding and non-destructive testing requirements.

Quenched and Tempered Wear Plate Large load-bearing alloy structures

View ground-contact walking components →

قطع الغيار

Core spares for hoist, drag, swing, walking and major structures

Group spares by mechanism and assembly relationship. Gears, shafts, drums, ropes, sheaves, housings, eccentric bushings and large structures require complete model, assembly number, installation datums and inspection requirements.

Hoist and drag motors, gearboxes and drums

Hoist/Drag Motors, Gearcases & Drums

Hoist and drag systems comprise motors, parallel-shaft gearboxes, bearing housings, brakes and drums. Cat 8750 information describes an interchangeable design basis for gears, bearings and drums in these two systems. Still verify replacements by series, assembly number and dimensions.

Material Selection:Confirm drive gears and shafts by heavy-duty alloy steel, tooth heat treatment and fatigue strength. Check drums, casings and housings against original structure, tolerances and inspection requirements.

Alloy steel for gears, shafts and drums

View hoist and drag drive assemblies →

Swing planetary gearboxes, pinions and ring gears

Swing Planetaries, Pinions & Rack

Multiple swing drives use planetary gearboxes and output pinions to rotate the upper structure. Check motors, gearboxes, output shafts, pinions, ring gear or rack parameters, mounting holes and platform datums.

Material Selection:Confirm planetary gears, output pinions, ring gears and shafts by heavy-duty drive alloy steel, tooth strengthening, contact fatigue and non-destructive testing.

Alloy steel for swing gears and shafts

View gears, pinions and drive parts →

Third rail, crowned rollers and bearing housings

Third Rail, Crowned Rollers & Bearing Cartridges

Cat 8750 swing support uses a third rail and crowned rollers with serviceable bearing assemblies. Check rail segments, roller diameters, housings, clearances, preload and mounting datums.

Material Selection:Balance contact fatigue, surface hardness and core toughness for rollers and wear rails. Confirm housings and bushings by loads, lubrication and fit tolerances.

Alloy steel for rollers and wear rails Bearing bushing and support materials

View bearings, bushings and supports →

Walking eccentric cams, large gears and reducers

Propel Cam, Bull Gear, علبة التروس & جلبة لامركزية

The walking system drives the shoes through eccentric cams, large walking gears, parallel-shaft reducers and eccentric bushings. Check left/right positions, gear parameters, shafts, eccentricity and assembly datums together.

Material Selection:Confirm gears, shafts and cams by heavy-duty drive alloy steel and surface strengthening. Confirm eccentric bushings against original copper-alloy or composite design, lubrication and clearance.

Alloy steel for large gears, shafts and cams Eccentric bushings and bearing copper alloys

View walking and heavy-duty drive assemblies →

Hoist ropes, drag ropes, sheaves and terminations

Hoist/Drag Ropes, Sheaves & End Connections

Hoist, drag and suspension ropes, sheaves and terminations require frequent inspection. Cat lists six- and eight-strand rope options with or without plastic impregnation. Confirm diameter, length, lay, construction and reeving drawings for orders.

Material Selection:Confirm rope construction, strength class, lay, lubrication and safety specifications. Check sheaves, shafts and terminations for alloy steel, surface strengthening and load-test requirements.

Alloy steel for sheaves, shafts and rope terminations

View rope systems and heavy-duty assemblies →

Centre pivot, tub, boom and triangular structures

Center Pintle, Tub, Boom & Tri-Structures

The centre pivot, tub frame, boom and triangular structures are core load-bearing and locating components. Repair and manufacture require complete structural drawings, welding procedures, material certificates, geometric datums and non-destructive testing requirements.

Material Selection:Cat 8750 information specifies impact-resistant high-strength steel for the boom and triangular structures. Do not replace load-bearing structural materials with general wear steel during repair or replacement.

High-strength structural materials and engineering confirmation

View large structures and heavy-duty assemblies →

Are bucket and drive spares interchangeable between Cat 8000, 8200 and 8750?

Do not assume interchangeability. Bucket capacities, boom lengths and operating weights differ. Verify complete model, serial number, assembly number, bucket and mechanism assembly drawings item by item.

What information is needed to confirm dragline wear parts?

Provide at least complete model, serial number, bucket capacity, installation position, OEM or third-party drawing reference, used-part photos, key dimensions, material or hardness test results, ore conditions and failure photos.

How can a dragline part be identified without a Caterpillar OEM drawing number?

Start with machine and assembly nameplates, position, used-part photos, key dimensions and material tests. Then assess whether catalogues, drawing searches or a physical survey can confirm the part. Do not publish invented numbers without reliable evidence.

Cat 8000, 8200, 8750 Large Draglines: الطرازات وقطع الغيار