NG ATTACHMENTS | EXCAVATOR SPARE PARTS AND LINKAGE SOLUTIONS
Excavator Bucket Linkages – Accurate Fit for OEM and Aftermarket Needs
NG Attachments supplies and manufactures excavator bucket linkages,
bucket links, H-links, dogbone links,
bucket linkage kits, excavator linkage assemblies,
pins and bushings, bucket link arms, bucket link plates
and aftermarket excavator linkage parts for OEM replacement, repair, rebuild and custom attachment applications.
- Caterpillar Linkage
- Komatsu Linkage
- Volvo Bucket Link
- Hitachi Linkage
- Develon Doosan Linkage
- Hyundai Linkage
- JCB Linkage
- Liebherr Linkage
OEM-fit and aftermarket bucket linkage solutions
Send your machine brand, model, serial number, bucket photos, pin dimensions and center-to-center measurements.
NG Attachments can prepare a technical quotation for excavator bucket linkage assemblies, replacement links,
pins, bushings and custom linkage parts.
Accurate fitment
Designed according to machine model, boom-arm geometry, bucket pin dimensions and OEM linkage structure.OEM and aftermarket
Replacement linkage parts for original dimensions, aftermarket buckets, quick couplers and special attachments.Pins and bushings
Bucket pins, hardened bushings, link pins and wear components can be quoted as a complete kit.Custom manufacturing
Special bucket linkage fabrication for non-standard buckets, long reach arms, demolition booms and custom tools.Quick navigation for excavator bucket linkage buyers
Excavator bucket linkage overview for OEM and aftermarket fitment
Excavator bucket linkages connect the excavator arm, bucket cylinder and bucket through a controlled mechanical geometry.
A correct bucket linkage ensures proper digging angle, curling force, bucket rotation, breakout performance and attachment compatibility.
Buyers commonly search for excavator bucket linkage, excavator bucket link,
bucket link, bucket linkage, excavator linkage,
bucket linkage kit, excavator linkage assembly, H-link excavator,
dogbone link excavator, bucket link arm, bucket link plate,
excavator linkages for sale, aftermarket excavator linkage and
OEM bucket linkage replacement.
Bucket rotation geometry
A bucket linkage controls the bucket’s rotation path. Incorrect linkage dimensions can reduce digging power,
bucket opening angle, dumping angle and material loading efficiency.
- Bucket curl angle
- Breakout force transfer
- Attachment movement accuracy
Repair and replacement
Worn bucket links, cracked H-links, loose pins, oval holes and damaged bushings can create excessive play,
poor bucket control and faster wear on the arm and attachment.
- Worn pin holes
- Damaged bushings
- Cracked or bent linkage plates
Custom attachment needs
Some buckets, rippers, crushers, shears, quick couplers and special tools require custom linkage checking
to maintain safe motion and correct tool position.
- Special bucket fitment
- Quick coupler compatibility
- Custom attachment geometry
Main bucket linkage components: H-link, dogbone link, pins and bushings
A complete excavator bucket linkage assembly may include the H-link, bucket link,
dogbone link, side links, link plates, bucket pins,
link pins, bucket bushings, arm bushings, grease channels,
spacers, washers, seals and locking parts. For accurate fitment,
each part must match the original machine geometry or the aftermarket attachment requirement.
H-link assembly
The H-link transfers cylinder movement to the bucket link system. It is highly loaded during digging,
prying, ripping and heavy bucket operation.
- H-link excavator
- Excavator H-link replacement
- Bucket cylinder linkage
Dogbone link and side links
Dogbone links connect the arm, bucket and H-link geometry. Correct length and hole center distance are critical
for bucket angle and attachment motion.
- Dogbone link excavator
- Bucket side link
- Bucket link arm
Pins and bushings
Pins and bushings control play, wear and movement precision. Worn bushings or undersized pins can damage
the arm nose, bucket ears and linkage plates.
- Bucket pins
- Linkage pins
- Hardened bushings
Excavator bucket linkages by machine brand and model
NG Attachments can quote bucket linkage parts and custom linkage assemblies for many popular excavator brands.
Common search phrases include Caterpillar bucket linkage, CAT excavator linkage,
Komatsu bucket linkage, Komatsu excavator bucket link,
Volvo excavator linkage, Hitachi bucket linkage, Doosan bucket linkage,
Develon excavator linkage, Hyundai bucket link, JCB excavator linkage,
Liebherr bucket linkage, Kobelco bucket link, Case excavator linkage,
John Deere bucket linkage, SANY excavator linkage, XCMG bucket linkage,
Liugong excavator link, Sumitomo bucket linkage and Link-Belt excavator linkage.
Caterpillar linkage
CAT bucket linkage, Caterpillar excavator H-link, CAT dogbone link, CAT bucket link kit and Caterpillar linkage pins
for models such as CAT 307, 308, 312, 315, 320, 323, 325, 329, 330, 336, 340, 345, 349, 352, 365 and 374.Komatsu linkage
Komatsu bucket linkage, Komatsu excavator bucket link, Komatsu H-link, Komatsu dogbone link and Komatsu linkage pins
for PC138, PC160, PC200, PC210, PC220, PC240, PC290, PC300, PC350, PC360, PC400, PC450, PC490, PC600 and PC800.Volvo linkage
Volvo bucket linkage, Volvo excavator link, Volvo H-link, Volvo dogbone link and Volvo bucket linkage kit
for EC140, EC160, EC180, EC210, EC220, EC240, EC250, EC300, EC350, EC380, EC480, EC550, EC700 and EC750.Hitachi linkage
Hitachi bucket linkage, Hitachi excavator bucket link, Hitachi H-link and Hitachi linkage assembly
for ZX130, ZX160, ZX180, ZX200, ZX210, ZX225, ZX240, ZX250, ZX270, ZX300, ZX350, ZX400, ZX470, ZX490 and ZX870.Doosan Develon linkage
Doosan bucket linkage, Develon bucket link, Doosan H-link, Develon dogbone link and excavator linkage kit
for DX140, DX160, DX180, DX225, DX235, DX255, DX300, DX340, DX350, DX380, DX420, DX480, DX520 and DX800.Hyundai linkage
Hyundai bucket linkage, Hyundai excavator H-link, Hyundai bucket link arms and linkage pins
for R140, R160, R180, R210, R220, R250, R290, R300, R330, R360, R380, R450, R480 and HX series excavators.JCB linkage
JCB excavator linkage, JCB bucket link, JCB H-link, JCB dogbone link and JCB bucket linkage kit
for JS130, JS145, JS160, JS180, JS200, JS220, JS240, JS260, JS300, JS330 and selected JCB backhoe loader linkages.Liebherr linkage
Liebherr bucket linkage, Liebherr excavator bucket link, Liebherr H-link and dogbone link replacement
for R914, R916, R920, R922, R924, R926, R930, R934, R936, R938, R944, R946, R950, R954, R960 and R980.Kobelco linkage
Kobelco bucket linkage, Kobelco H-link, Kobelco dogbone link and bucket link replacement
for SK140, SK160, SK180, SK200, SK210, SK230, SK250, SK260, SK300, SK330, SK350, SK380, SK480 and SK500.Case and New Holland linkage
Case bucket linkage, Case excavator link, New Holland bucket linkage and replacement linkage kits
for CX130, CX145, CX160, CX180, CX210, CX240, CX250, CX290, CX300, CX350, CX470 and E-series machines.John Deere and Hitachi-compatible linkage
John Deere bucket linkage, Deere excavator H-link, John Deere dogbone link and bucket linkage parts
for 135G, 160G, 180G, 200G, 210G, 245G, 250G, 290G, 300G, 350G, 470G and selected equivalent models.SANY, XCMG, LiuGong and Chinese brands
SANY bucket linkage, XCMG excavator linkage, LiuGong bucket link, SDLG linkage, Zoomlion linkage and custom aftermarket
linkage parts for SY215, SY235, SY305, SY365, XE215, XE260, XE370, CLG922, CLG936 and similar machines.Important: Model names alone are not enough for final fitment. Bucket linkage dimensions may change according to serial number,
boom-arm type, bucket manufacturer, quick coupler use, previous repairs and regional machine configuration.
Caterpillar linkage and Komatsu bucket linkage SEO fitment section
High-intent buyers often search by brand and model. This section is designed to support queries such as
Caterpillar excavator bucket linkage, CAT 320 bucket linkage,
CAT 330 linkage kit, CAT 336 H-link, CAT 349 bucket link,
Komatsu PC200 bucket linkage, Komatsu PC210 bucket link,
Komatsu PC300 linkage assembly, Komatsu PC400 H-link and
Komatsu PC490 dogbone link.
Caterpillar bucket linkage examples
CAT 312 linkage, CAT 315 bucket link, CAT 320 linkage, CAT 323 linkage kit, CAT 325 H-link,
CAT 329 bucket linkage, CAT 330 bucket link, CAT 336 dogbone link, CAT 340 linkage assembly,
CAT 345 bucket linkage, CAT 349 H-link, CAT 352 linkage parts and CAT 374 heavy-duty bucket linkage.
- Caterpillar H-link and dogbone link
- CAT bucket pins and bushings
- CAT aftermarket bucket linkage kit
Komatsu bucket linkage examples
Komatsu PC138 bucket linkage, PC160 linkage, PC200 bucket link, PC210 linkage kit, PC220 H-link,
PC240 dogbone link, PC290 bucket linkage, PC300 linkage assembly, PC350 bucket link,
PC360 linkage kit, PC400 H-link, PC450 bucket linkage, PC490 linkage parts and PC800 heavy excavator linkage.
- Komatsu H-link and bucket link
- Komatsu bucket pins and bushings
- Komatsu aftermarket linkage replacement
Volvo, Hitachi, Develon, Hyundai and other excavator linkage searches
For international SEO, brand-model combinations are important because many buyers search directly by machine series.
This page supports searches such as Volvo EC220 bucket linkage, Volvo EC480 bucket link,
Hitachi ZX350 linkage, Hitachi ZX470 bucket linkage,
Doosan DX225 bucket link, Develon DX300 linkage kit,
Hyundai R220 bucket linkage, Hyundai HX300 H-link,
JCB JS220 bucket link, Liebherr R936 linkage,
Kobelco SK210 bucket linkage, Case CX210 linkage,
John Deere 350G bucket linkage and SANY SY365 bucket link.
Volvo and Hitachi linkage
Volvo EC210, EC220, EC240, EC300, EC350, EC380, EC480, EC700 and Hitachi ZX200, ZX210, ZX250, ZX300,
ZX350, ZX400, ZX470, ZX490 linkage parts can be quoted according to dimensions and photos.Doosan Develon and Hyundai linkage
Doosan DX225, DX255, DX300, DX340, DX380, DX420, DX480 and Hyundai R210, R220, R250, R290, R330,
R360, HX220, HX300, HX380 bucket links and linkage assemblies.JCB, Liebherr, Kobelco and Case linkage
JCB JS series, Liebherr R series, Kobelco SK series, Case CX series and New Holland excavator linkage parts
for repair, replacement and custom bucket fitment.How to measure excavator bucket linkage for accurate replacement
Accurate measurement is critical before manufacturing or quoting a bucket linkage. Small dimensional errors may cause
poor bucket angle, pin misalignment, fast bushing wear, cylinder overload or unsafe attachment movement.
1. Machine identification
Send the machine brand, model, serial number, operating weight, boom type, arm length and whether the machine uses a quick coupler.2. Pin diameters
Measure bucket pin diameter, arm pin diameter, link pin diameter and cylinder pin diameter with accurate tools.3. Center-to-center distances
Measure the distance between pin hole centers on the H-link, dogbone link and side links.4. Link width and ear spacing
Measure inside width, outside width, bucket ear spacing, link plate thickness and spacer positions.5. Bushing and grease details
Check bushing outer diameter, inner diameter, length, grease holes, lubrication grooves and seal locations.6. Photos and working condition
Send clear photos from front, side and top, including bucket, arm nose, cylinder rod end, H-link and dogbone links.Best practice: If the original linkage is heavily worn or repaired before, dimensions should be cross-checked with machine serial number,
bucket geometry and actual attachment movement before final production.
Comparison table for excavator bucket linkage inquiries
This table is prepared with forced horizontal scrolling so it does not collapse inside WordPress Classic Editor or on mobile screens.
| Linkage type | Also searched as | Main function | Compatible brands | Required measurements | Typical issue solved | Quote action |
|---|
| H-link assembly | H-link excavator, bucket cylinder link, excavator H-link, linkage assembly | Transfers bucket cylinder force to bucket linkage | CAT, Komatsu, Volvo, Hitachi, Develon, Hyundai, JCB, Liebherr | Pin diameters, hole center distance, link width, plate thickness | Cracked H-link, oval holes, poor bucket movement | Request quote |
| Dogbone link | dogbone link excavator, bucket link arm, bucket side link, excavator bucket link | Controls bucket angle and rotation geometry | Caterpillar, Komatsu, Volvo, Hitachi, Doosan, Hyundai, Kobelco, Case | Center-to-center distance, pin diameter, inside width, bushing size | Loose bucket, excessive play, incorrect bucket curl | Request quote |
| Bucket linkage kit | bucket linkage kit, excavator linkage kit, bucket link kit, aftermarket linkage kit | Complete replacement for worn linkage system | CAT, Komatsu, Volvo, Hitachi, JCB, Liebherr, Kobelco, SANY, XCMG | All pin dimensions, link geometry, bucket photos, serial number | Full repair, rebuild or attachment conversion | Request quote |
| Pins and bushings | bucket pins, linkage pins, excavator bushings, bucket bushing kit, pin and bushing kit | Reduces play and supports accurate movement | All major excavator brands and selected backhoes | Pin diameter, pin length, bushing OD, bushing ID, bushing length | Worn pins, damaged bushings, loose attachment | Request quote |
| Custom bucket linkage | custom excavator linkage, special bucket link, aftermarket bucket linkage, OEM-fit custom linkage | Adapts machine to special bucket or attachment geometry | Long reach, high reach, demolition, mining and special excavators | Machine dimensions, attachment drawings, movement requirement, photos | Non-standard bucket fitment or special tool conversion | Request quote |
| Quick coupler linkage check | quick coupler linkage, bucket link with quick hitch, excavator coupler linkage compatibility | Ensures linkage and coupler work safely together | Excavators with hydraulic or mechanical quick couplers | Coupler dimensions, pin centers, bucket ears, attachment photos | Poor coupler fit, limited bucket curl, unsafe attachment movement | Request quote |
Scroll the table horizontally to view all columns.
Global supply for excavator linkage parts and bucket link assemblies
NG Attachments can support international buyers looking for excavator bucket linkage parts, bucket link assemblies,
pins and bushings, OEM replacement linkage and aftermarket linkage solutions for construction, quarry, mining,
demolition, rental fleet, repair workshop and equipment dealer needs.
United States
CAT linkage, Komatsu linkage, Volvo bucket links, Hitachi bucket linkage and replacement pin-bushing kits for contractors,
repair shops and equipment fleets.United Kingdom
Excavator bucket linkage assemblies, aftermarket bucket links, H-links, dogbone links and custom linkage fabrication
for demolition and civil works.Canada
Heavy-duty bucket linkage parts for mining, forestry, quarry, road construction, earthmoving and repair operations.Australia and New Zealand
Linkage kits, bucket pins, bushings and custom bucket link solutions for quarry, mining, construction and heavy equipment fleets.Europe
Replacement linkage parts for Caterpillar, Komatsu, Volvo, Hitachi, Liebherr, JCB, Hyundai, Develon, Kobelco and Case excavators.Middle East and Gulf countries
Bucket linkage repair parts for construction, oil and gas infrastructure, quarry, demolition, port and industrial projects.Africa
Excavator linkage assemblies, bucket link replacement and pin-bushing sets for mining, quarrying and infrastructure equipment.Latin America
Bucket linkage kits and replacement parts for mining, road construction, aggregates, forestry and earthmoving machines.International dealers
Export packaging, technical identification, dimensional control and consolidated supply for spare parts distributors.Frequently asked questions about excavator bucket linkages
What is an excavator bucket linkage?
An excavator bucket linkage is the mechanical link system that connects the arm, bucket cylinder and bucket. It controls bucket rotation,
digging angle, curling movement and force transfer.What parts are included in a bucket linkage assembly?
A linkage assembly may include H-link, dogbone links, side links, link plates, bucket pins, link pins, bushings, spacers, seals and locking parts.Can NG Attachments supply Caterpillar and Komatsu bucket linkages?
Yes. NG Attachments can quote Caterpillar bucket linkage, CAT H-link, CAT dogbone link, Komatsu bucket linkage,
Komatsu H-link and Komatsu bucket link kits according to model, photos and dimensions.Can bucket linkages be manufactured for aftermarket buckets?
Yes. Custom or aftermarket bucket linkage solutions can be produced for non-standard buckets, quick couplers,
long reach arms, demolition booms and special attachments.What information is needed for a bucket linkage quote?
Machine brand and model, serial number, bucket photos, pin diameters, center-to-center distances, link widths,
bushing dimensions and destination country are recommended for accurate quotation.Why is correct linkage fitment important?
Incorrect linkage geometry can reduce bucket power, limit curl angle, increase pin and bushing wear,
overload the cylinder or cause unsafe attachment movement.Brand and compatibility disclaimer
Caterpillar, CAT, Komatsu, Volvo, Hitachi, Doosan, Develon, Hyundai, JCB, Liebherr, Kobelco, Case, New Holland,
John Deere, SANY, XCMG, LiuGong, Sumitomo, Link-Belt and other brand names are trademarks of their respective owners.
These names are used only for compatibility reference, product identification and customer inquiry purposes.
NG Attachments is an independent manufacturer and supplier of attachment solutions, replacement parts and custom-fabricated components.
Important: Always confirm machine serial number, pin dimensions, bucket linkage geometry, photos and actual working condition
before ordering linkage parts. Final compatibility must be verified from measurements and technical details.
Request excavator bucket linkage price and technical fitment check
If your company needs excavator bucket linkages, H-links,
dogbone links, bucket linkage kits, bucket pins and bushings,
Caterpillar bucket linkage, Komatsu bucket linkage,
Volvo bucket link, Hitachi linkage assembly or custom aftermarket linkage parts,
NG Attachments can prepare a technical and commercial quotation.
For an accurate quotation, please send: machine brand and model, serial number, operating weight, bucket photos,
pin diameters, center-to-center distances, link width, bushing dimensions, required quantity and destination country.
