Caterpillar 320D L
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Caterpillar 320D L Compatible Attachments
The Caterpillar 320D L is a 20-ton class hydraulic excavator powered by the Cat C6.4 engine with ACERT Technology, delivering 103 kW (140 hp) at 1,800 rpm. Designed for demanding excavation, trenching, utility work, grading, road repair, and demolition, this machine offers a long undercarriage for maximum stability and lift capacity, with operating weights ranging from 21,200 to 21,900 kg.
Attachment fitment for the 320D L should be verified against the machine's carrier weight, hydraulic flow capacity (2 x 205 L/min main flow), auxiliary circuit setup, pin dimensions, coupler style, mounting bracket, and the material being handled. BHE Attachments can review these details before quoting or installing any attachment.
Caterpillar 320D L Attachment Matches
The attachment categories below are organized for the Caterpillar 320D L carrier class. Final compatibility should be confirmed using the exact machine configuration, hydraulic setup, mounting dimensions, coupler style, and job application.
Hydraulic Breakers for Concrete, Rock & Asphalt
Hydraulic breakers and hammers are a key attachment match for the Caterpillar 320D L when the job involves concrete breaking, rock demolition, asphalt removal, trenching through hard material, or demolition support. The 320D L's hydraulic system pressure of 350 bar and dual-pump cross-sensing design deliver outstanding power for demanding breaker applications.
Montabert breaker models previously identified for review with this carrier class include M900, XL1300, V32, XL1700, XL1900, and V1800. Final selection should be based on the carrier's hydraulic flow, operating pressure, breaker weight, bracket setup, and duty cycle.
Digging, Trenching, Grading & Cleanup Buckets
Bucket selection for the Caterpillar 320D L should align with the work being performed. Digging buckets are commonly used for excavation and trenching, while grading or cleanup buckets are better suited for ditching, slope work, backfill shaping, and finish grading. The 320D L offers reach boom options with R2.5B1 and R2.9B1 sticks for versatile digging envelopes.
Bucket fitment should be checked by pin diameter, pin spread, stick width, coupler configuration, width, capacity, tooth style, edge type, and material conditions. The 320D L supports B1-family buckets with capacities up to 1.19 m3 and features the Caterpillar K Series Ground Engaging Tools for extended wear life.
Couplers, Thumbs & Grapples
Couplers, thumbs, and grapples can improve the Caterpillar 320D L's versatility for attachment changes, debris handling, brush handling, demolition cleanup, pipe handling, and sorting material on job sites. The 320D L is available with hydraulic and spindle quick coupler options for rapid tool changes without leaving the cab.
These tools should be reviewed for stick geometry, thumb length, coupler type, hydraulic plumbing, bracket style, and the machine's lifting and stability limits. The 320D L's long undercarriage and robust structures provide excellent stability for lifting and material handling operations.
Plate Compactors for Trench & Backfill Work
Plate compactors can be reviewed for the Caterpillar 320D L when the work involves trench compaction, utility installation, backfill compaction, road repair, or site preparation. Cat compactors are performance-matched and integrate perfectly with the Cat hammer line, with brackets and hydraulic kits fully interchangeable.
Compactor compatibility should be confirmed by attachment weight, hydraulic flow, pressure range, mounting bracket, hose routing, and the compaction area required for the job. The 320D L's auxiliary hydraulic valve and capability for stackable valves support versatile compactor operation.
Multi-Processors, Shears & Specialty Tools
Multi-processors, shears, and specialty tools may be considered for the Caterpillar 320D L when the machine is working in demolition, scrap processing, or site preparation conditions where a standard bucket is not the most efficient first tool. The multi-processor's single basic housing design allows a range of jaw sets for any demolition job.
Tool selection should be based on material type, breakout needs, carrier size, mounting setup, and whether the tool will be used for demolition, scrap cutting, or as part of site cleanup. The 320D L's 206 kN drawbar pull and 350 bar system pressure provide the power needed for tough ground engagement and demolition work.
Caterpillar 320D L Jobsite Applications
These application notes help connect the Caterpillar 320D L to the attachment type most often used for each kind of work.
Concrete & Rock Breaking
Use a properly sized hydraulic breaker or hammer when the Caterpillar 320D L is assigned to concrete removal, rock breaking, asphalt removal, trench obstruction removal, or demolition prep. The high hydraulic pressure and cross-sensing system deliver powerful, efficient breaking performance.
Excavation & Trenching
Use digging, trenching, or rock buckets when the machine is being used for utility installation, drainage work, foundations, roadwork, and general excavation. The R2.5B1 and R2.9B1 stick options provide maximum reach and digging depth up to 6,690 mm.
Grading & Cleanup
Use grading, cleanup, or ditching buckets when the job requires finish shaping, slope work, ditch cleaning, loose material handling, or surface cleanup. The full-color graphical monitor provides easy-to-read machine information for precision grading work.
Material Handling
Use thumbs, grapples, or coupler-supported tools when the Caterpillar 320D L needs to handle debris, brush, pipe, demolition material, or irregular objects. The long undercarriage provides maximum stability for lifting operations.
Compaction
Use a plate compactor when the machine is supporting trench backfill, utility repair, road repair, or site preparation where controlled compaction is needed. Interchangeable brackets with the hammer line simplify compactor setup.
Demolition & Scrap Processing
Use multi-processors or shears when the Caterpillar 320D L is assigned to building demolition, scrap metal cutting, or structural dismantling work. The powerful hydraulic system and robust structures handle demanding demolition applications.
Attachment Fitment Factors
The Caterpillar 320D L should be matched with attachments using both machine specifications and jobsite requirements. These checks help reduce incorrect fitment, poor performance, and unnecessary attachment wear.
Machine & Mounting Requirements
- Confirm carrier operating weight (21,200–21,900 kg) and excavator size class.
- Check pin diameter, pin spread, stick width, and coupler configuration.
- Match the attachment bracket to the Caterpillar 320D L mounting setup.
- Review attachment weight against machine lifting capacity and stability limits.
- For buckets, confirm width, capacity, tooth style, edge type, and application rating.
- Verify stick length (R2.5B1 2,500 mm or R2.9B1 2,920 mm) and boom reach (5,680 mm) for application needs.
Hydraulic & Application Requirements
- Confirm hydraulic flow (2 x 205 L/min) and pressure (350 bar equipment, 250 bar swing) for powered attachments.
- Verify auxiliary hydraulic circuit setup, controls, and hose routing.
- Select breaker tools based on material, including moil point, chisel, blunt, or specialty tools.
- Match the attachment to the material being worked: concrete, rock, asphalt, soil, brush, or debris.
- Review duty cycle, production needs, operator use, and jobsite conditions before final selection.
Caterpillar 320D L Attachment Overview
Use this table as a quick reference for matching common Caterpillar 320D L attachment categories to their main purpose.
| Carrier Model | Attachment Type | Best Use | Fitment Checks | Typical Applications |
|---|---|---|---|---|
| Caterpillar 320D L | Hydraulic Breakers & Hammers | Breaking concrete, rock, asphalt, and hard material. | Hydraulic flow (2 x 205 L/min), pressure (350 bar), breaker weight, bracket, tool type, and duty cycle. | Demolition, road repair, trenching, concrete removal, rock breaking. |
| Caterpillar 320D L | Excavator Buckets | Digging, trenching, grading, ditching, cleanup, and material loading. | Pin dimensions, coupler setup, bucket width, capacity, tooth style, and edge type. | Excavation, utility work, grading, drainage, site development. |
| Caterpillar 320D L | Couplers, Thumbs & Grapples | Changing attachments and handling loose, bulky, or irregular material. | Stick geometry, coupler type, thumb length, hydraulic plumbing, and lift limits. | Debris handling, brush handling, pipe handling, demolition cleanup. |
| Caterpillar 320D L | Plate Compactors | Compacting trench backfill, soil, and utility repair areas. | Hydraulic flow, pressure range, compactor weight, bracket, and hose routing. | Trench compaction, road repair, backfill, utility installation, site prep. |
| Caterpillar 320D L | Multi-Processors & Shears | Cutting and processing scrap metal, concrete, and structural materials. | Carrier size, mounting setup, jaw design, material conditions, and hydraulic requirements. | Demolition, scrap processing, structural dismantling, site cleanup. |
Final compatibility can vary by Caterpillar 320D L configuration, coupler, pin dimensions, hydraulic setup, and job application. Always verify fitment before purchasing or installing an attachment.
Find the Right Attachment for Your Caterpillar 320D L
BHE Attachments can help compare hydraulic breakers, buckets, couplers, thumbs, compactors, grapples, multi-processors, shears, and specialty tools for the Caterpillar 320D L. The best attachment depends on whether the machine will be breaking, digging, grading, compacting, handling material, or processing scrap.
To narrow the right option, provide the machine serial number if available, current coupler setup, hydraulic flow and pressure information, pin dimensions, stick length, and a short description of the work being performed.
Need Help Confirming Compatibility?
BHE Attachments can review your Caterpillar 320D L specifications, hydraulic requirements, mounting setup, pin dimensions, coupler configuration, and application needs to help identify the right attachment category and product fit.
Ready to quote attachments for your Caterpillar 320D L?
Send the machine setup and job application to BHE Attachments so the attachment recommendation can be matched to the Caterpillar 320D L carrier class, hydraulic setup, mounting requirements, and work conditions.