Wedgelock Weight Class Information
Excavator Weight Classes & Model Compatibility Matrix
Finding the right quick coupler for your excavator shouldn’t involve guesswork. Heavy machinery specifications, pin dimensions, and operating weights vary significantly across manufacturers, making precise fitment critical for site safety, operating performance, and attachment durability.
Whether you operate a micro digger, a utility excavator, or a production-scale machine, Wedgelock designs high-performance quick couplers and attachments tailored to your exact machine setup. Explore our interactive lookup matrix below to cross-reference your machine’s make and model with its designated Wedgelock Weight Class, pin diameters, and arm dimensions.
Weight Classes Explained
Wedgelock Weight Classes are set to incorporate most of an excavator manufacturers’ model range. Before you order or purchase any attachment(s) from Wedgelock, we will always check to ensure that they will fit your make and model of excavator.
022
1.5t - 2.2t
028
2.3t - 2.8t
037
2.9t - 3.8t
055
3.9t - 6t
070
6.1t - 9t
099
9t - 11t
130
11.1t - 14.5t
170
14.6t - 18t
210
18.1t - 23.5t
270
23.6t - 29t
320
29t - 38t
450
39t - 50t
750
55t - 75t
950
80t - 95t
1250
100t - 125t
Excavator Model Compatibility & Wedgelock Weight Class Guide by Brand
Explore our comprehensive fitment directory below across all 18 major equipment manufacturers. Find your specific excavator brand to view compatible weight classes, model series, and secure attachment options.
Caterpillar (CAT)
Mini & Compact (Classes 022–055 | 1.5t – 6t)
Caterpillar 300.9D, 301.5, 301.7CR, 301.8, 302CR, 302.7CR, 303CR, 303.5E2, 304, 305CR, 306CR
Mid-Size & Utility (Classes 070–210 | 6.1t – 23.5t)
Caterpillar 307.5, 308CR, 309CR, 310, 311F LRR, 313, 313GC, 315, 315GC, 316F, 317, 317GC, 320, 320GC, 323, 325
Heavy Production (Classes 270–1250 | 23.6t – 125t)
Caterpillar 326, 330, 330GC, 335, 336, 336GC, 349, 352, 374, 390F
Komatsu
Mini & Compact (Classes 022–055 | 1.5t – 6t)
Komatsu PC18MR, PC26MR, PC30MR, PC35MR, PC45MR, PC55MR
Mid-Size & Utility (Classes 070–210 | 6.1t – 23.5t)
Komatsu PC78US, PC80MR, PC88MR, PC138US, PC170LC, PC200, PC210, PC210LC, PC228US
Heavy Production (Classes 270–1250 | 23.6t – 125t)
Komatsu PC240LC, PC290LC, PC300, PC360LC, PC390LC, PC490LC, PC650, PC1250
Kobelco
Mini & Compact (Classes 022–055 | 1.5t – 6t)
Kobelco SK12SR, SK17SR, SK25SR, SK30SR, SK35SR, SK45SR, SK55SRx
Mid-Size & Utility (Classes 070–210 | 6.1t – 23.5t)
Kobelco SK75SR, SK85MSR, SK135SR, SK140SRLC, SK180LC, SK210LC, SK230SR
Heavy Production (Classes 270–1250 | 23.6t – 125t)
Kobelco SK260LC, SK300LC, SK350LC, SK500LC, SK850LC
Hitachi
Mini & Compact (Classes 022–055 | 1.5t – 6t)
Hitachi ZX17U-5A, ZX26U-5A, ZX33U-5A, ZX38U-5A, ZX48U-5A, ZX55U-5A
Mid-Size & Utility (Classes 070–210 | 6.1t – 23.5t)
Hitachi ZX65USB-5A, ZX75US-7, ZX85USB-7, ZX130-7H, ZX130LCN-7H, ZX135US-7H, ZX140W-5B, ZX150W-7, ZX155W-7, ZX160LC-7, ZX170W-5B, ZX180W-7, ZX200-7, ZX210LC-7, ZX210LC-7G, ZX210LCH-5G, ZX225USLC-7
Heavy Production (Classes 270–1250 | 23.6t – 125t)
Hitachi ZX240LC-5G-H18-SLF, ZX250L-5G, ZX260LC-7, ZX290L-5G, ZX300LC-5A, ZX300LC-7, ZX300LC-5AFEX, ZX345USLC-7H, ZX350LCH-7G, ZX360LC-7, ZX360LCH-7, ZX400L-7G, ZX490LCH-7, ZX490LCH-7G, ZX530LCH-7, ZX690LCH-7, ZX690LCH-7G, ZX890LCH-7, ZX890LCH-7G
Kubota
Micro & Mini (Classes 022–028 | 1.5t – 2.8t)
Kubota K008-3, U10-3, U17-3, KX018-4, U25-3
Compact Utility (Classes 037–070 | 2.9t – 9t)
Kubota KX033-4, U35-4, KX040-4, U48-4, U55-4, KX057-4, KX080-4
Yanmar
Micro & Mini (Classes 022–037 | 1.5t – 3.8t)
Yanmar SV08-1, ViO10-2A, ViO17-1, SV17e, ViO25-6B, ViO35-6B, ViO38-6B
Compact Utility (Classes 055–099 | 3.9t – 11t)
Yanmar ViO50-6B, ViO55-6B, ViO80-7, SV100-2
JCB
Mini & Compact (Classes 022–055 | 1.5t – 6t)
JCB 16C-1, 18Z-1, 19C-1, 35Z-1, 50U-1
Mid-Size Utility (Classes 070–210 | 6.1t – 23.5t)
JCB 85Z-2, 86C-2, 90Z-2, 100C-2, 131X, 140X, 150X, 220X
Heavy Production (Classes 270–450 | 23.6t – 50t)
JCB 245XR, 300X, 370X
Hyundai
Mini & Compact (Classes 022–070 | 1.5t – 9t)
Hyundai HX17A Z, HX35A Z, HX60A, HX85A
Mid-Size Utility (Classes 130–210 | 11.1t – 23.5t)
Hyundai HX130A LCR, HX140A L, HX210A L, HX220A L, HX235A LCR
Heavy Production (Classes 270–750 | 23.6t – 75t)
Hyundai HX300A L, HX380A L, HX520A L
Bobcat
Micro & Mini (Classes 022–055 | 1.5t – 6t)
Bobcat E10, E10z, E17, E17z, E20, E20z, E27, E27z, E35, E35z, E42, E50, E55z
Mid-Size Utility (Classes 070–130 | 6.1t – 14.5t)
Bobcat E60, E88, E145
Sany
Mini & Compact (Classes 022–055 | 1.5t – 6t)
Sany SY16C, SY18C, SY26U, SY35U, SY50U
Mid-Size Utility (Classes 070–210 | 6.1t – 23.5t)
Sany SY60C, SY80U, SY95C, SY135C, SY155U, SY215C
Heavy Production (Classes 270–450 | 23.6t – 50t)
Sany SY265C, SY365H, SY500H
Develon / Doosan
Compact & Utility Series (Classes 028–099)
Develon DX27z, DX35z, DX63-3, DX85R-3
Medium & Heavy Production (Classes 130–450)
Develon DX140LC, DX225LC, DX300LC, DX350LC, DX420LC
Volvo
Compact & Utility (Classes 022–099)
Volvo ECR25D, ECR58D, ECR88D, EW60E
Crawler & Heavy Series (Classes 130–750)
Volvo EC140E, EC220E, EC300E, EC350E, EC480E, EC750E
John Deere
Compact Excavators (Classes 022–070)
John Deere 17G, 26G, 35G, 50G, 60G, 75G, 85G
Mid & Heavy Series (Classes 130–320)
John Deere 130G, 160P, 210G, 250P, 300P, 350P, 380P
Takeuchi
Mini Series (Classes 022–055)
Takeuchi TB210R, TB216, TB225, TB230, TB235-2, TB250-2, TB260
Utility Series (Classes 070–170)
Takeuchi TB280FR, TB290-2, TB2150, TB2150R
Case Construction
Mini Series (Classes 022–055)
Case CX17C, CX26C, CX30C, CX37C, CX57C, CX60C
Mid & Heavy Excavators (Classes 070–320)
Case CX75C, CX130D, CX145DSR, CX210D, CX250D, CX300D, CX350D
Sumitomo
Compact & Mid-Range (Classes 070–210)
Sumitomo SH75X-7, SH80X-7, SH130-7, SH145X-7, SH200-7, SH210-7
Heavy Series (Classes 270–450)
Sumitomo SH250-7, SH300-7, SH330-7, SH350HD-7, SH470HD-7
Kato
Compact & Mini Series (Classes 022–055)
Kato HD17V, HD25V, HD30V, HD35V, HD50V, HD60V
Utility & Heavy Series (Classes 070–320)
Kato HD85V, HD512, HD514, HD820, HD1430
Eurocomach
Micro & Mini Series (Classes 022–037)
Eurocomach 12ZT, 14SR, 18ZT, 22SR, 25ZT, 35ZT, 45TR
Compact Utility Series (Classes 055–099)
Eurocomach 58ZT, 60ZT, 65TR, 90ZT, 100TR